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Products · Broad category

Mobile apps

Raised as a usability problem by 471 people on Hacker News over 19 years (2008–2026), in 435 threads.

This is a broad category rather than one product, so its issues aren't ranked on the home page.

Ranked by people · period

  1. 1
    Text in apps can't be selected, so addresses can't be copiedUnreviewed

    4 people this year · 4 threads

  2. 2
  1. 1
    Dark patterns push people into continued app useUnreviewed

    8 people in the last 5 years · 8 threads

  2. 2
    Rarely used apps clutter the phone and force frequent cleanupUnreviewed

    5 people in the last 5 years · 5 threads

  3. 3
    Similar-looking icons make users confuse and struggle to launch appsUnreviewed

    4 people in the last 5 years · 4 threads

  4. 4
    Notifications must be turned off in settings of nearly every appUnreviewed

    4 people in the last 5 years · 4 threads

  5. 5
    Hidden swipe and long-press features make actions hard to guessUnreviewed

    4 people in the last 5 years · 4 threads

  6. 6
    Taps land on wrong elements, and press feedback doesn't trigger buttonsUnreviewed

    4 people in the last 5 years · 4 threads

  7. 7
    Text in apps can't be selected, so addresses can't be copiedUnreviewed

    4 people in the last 5 years · 4 threads

  8. 8
    Websites push users to install the app instead of using the siteUnreviewed

    3 people in the last 5 years · 3 threads

  9. 9
    Controls at the top of the screen are hard to reach one-handedUnreviewed

    3 people in the last 5 years · 3 threads

  10. 10
    Links don't open in the installed app, forcing website useUnreviewed

    3 people in the last 5 years · 3 threads

  11. 11
    Back button exits the app instead of returning to the previous screenUnreviewed

    3 people in the last 5 years · 3 threads

  12. 12
    Apps force immediate sign-up with no trial, so users leaveUnreviewed

    3 people in the last 5 years · 3 threads

  13. 13
    Frequent logouts force repeated logins with no biometric optionUnreviewed

    3 people in the last 5 years · 3 threads

  1. 1
    Notifications must be turned off in settings of nearly every appUnreviewed

    12 people since the beginning · 12 threads

  2. 2
    Dark patterns push people into continued app useUnreviewed

    12 people since the beginning · 12 threads

  3. 3
    Similar-looking icons make users confuse and struggle to launch appsUnreviewed

    11 people since the beginning · 10 threads

  4. 4
    Rarely used apps clutter the phone and force frequent cleanupUnreviewed

    11 people since the beginning · 11 threads

  5. 5
    Websites push users to install the app instead of using the siteUnreviewed

    9 people since the beginning · 9 threads

  6. 6
    Ads are hard to dismiss without accidentally clicking throughUnreviewed

    9 people since the beginning · 8 threads

  7. 7
    Hidden swipe and long-press features make actions hard to guessUnreviewed

    8 people since the beginning · 8 threads

  8. 8
    Controls at the top of the screen are hard to reach one-handedUnreviewed

    7 people since the beginning · 7 threads

  9. 9
    Many apps have different confusing UIs, so users forget what each doesUnreviewed

    7 people since the beginning · 7 threads

  10. 10
    Links don't open in the installed app, forcing website useUnreviewed

    6 people since the beginning · 6 threads

  11. 11
    Apps assume fast startup downloads, failing on slow connectionsUnreviewed

    6 people since the beginning · 6 threads

  12. 12
    Back button exits the app instead of returning to the previous screenUnreviewed

    5 people since the beginning · 5 threads

  13. 13
    Taps land on wrong elements, and press feedback doesn't trigger buttonsUnreviewed

    5 people since the beginning · 5 threads

  14. 14
    Icon-only buttons can't be interpreted without tooltipsUnreviewed

    4 people since the beginning · 4 threads

  15. 15
    Mobile note apps are too sluggish for fast keyboard-driven note captureUnreviewed

    4 people since the beginning · 4 threads

  16. 16
    Features are removed because users can't discover them without a manualUnreviewed

    4 people since the beginning · 3 threads

  17. 17
    Text in apps can't be selected, so addresses can't be copiedUnreviewed

    4 people since the beginning · 4 threads

  18. 18
    Mobile app screens can't be zoomed, unlike web pagesUnreviewed

    3 people since the beginning · 3 threads

  19. 19
    Each app requires clicking through multiple screens for simple actionsUnreviewed

    3 people since the beginning · 3 threads

  20. 20
    Complex functions are hard to express with small buttons on small screensUnreviewed

    3 people since the beginning · 3 threads

  21. 21
    Slow-loading apps freeze, so toddlers jump back into the same appUnreviewed

    3 people since the beginning · 3 threads

  22. 22
    Custom app UX loses system-wide color and font customizationUnreviewed

    3 people since the beginning · 3 threads

  23. 23
    Apps repeatedly ask for ratings after users already declinedUnreviewed

    3 people since the beginning · 3 threads

  24. 24
    Apps force immediate sign-up with no trial, so users leaveUnreviewed

    3 people since the beginning · 3 threads

  25. 25
    Apps break visually when large font size is set on small phonesUnreviewed

    3 people since the beginning · 3 threads

  26. 26
    Frequent logouts force repeated logins with no biometric optionUnreviewed

    3 people since the beginning · 3 threads

Every issue, all time, most people first

  1. Notifications must be turned off in settings of nearly every appUnreviewed

    12 people since 2012, in 8 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 1 person2013: 0 people2014: 0 people2015: 0 people2016: 2 people2017: 1 person2018: 0 people2019: 1 person2020: 2 people2021: 2 people2022: 0 people2023: 1 person2024: 3 people2025: 0 people2026: 0 people
    20082026
    Something wrong here?
  2. Dark patterns push people into continued app useUnreviewed

    12 people since 2015, in 8 different years · 1 this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 1 person2016: 0 people2017: 0 people2018: 2 people2019: 0 people2020: 0 people2021: 1 person2022: 1 person2023: 2 people2024: 3 people2025: 1 person2026: 1 person
    20082026
    Something wrong here?
  3. Similar-looking icons make users confuse and struggle to launch appsUnreviewed

    11 people since 2012, in 9 different years · 2 this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 2 people2013: 0 people2014: 0 people2015: 1 person2016: 1 person2017: 0 people2018: 0 people2019: 1 person2020: 1 person2021: 1 person2022: 1 person2023: 1 person2024: 0 people2025: 0 people2026: 2 people
    20082026
    Something wrong here?
  4. Rarely used apps clutter the phone and force frequent cleanupUnreviewed

    11 people since 2014, in 6 different years · 2 this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 2 people2015: 0 people2016: 1 person2017: 0 people2018: 0 people2019: 0 people2020: 0 people2021: 3 people2022: 2 people2023: 0 people2024: 0 people2025: 1 person2026: 2 people
    20082026
    Something wrong here?
  5. Websites push users to install the app instead of using the siteUnreviewed

    9 people since 2014, in 8 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 1 person2015: 0 people2016: 1 person2017: 1 person2018: 0 people2019: 2 people2020: 0 people2021: 1 person2022: 1 person2023: 1 person2024: 0 people2025: 1 person2026: 0 people
    20082026
    Something wrong here?
  6. Ads are hard to dismiss without accidentally clicking throughUnreviewed

    9 people since 2011, in 6 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 1 person2012: 0 people2013: 2 people2014: 1 person2015: 0 people2016: 3 people2017: 0 people2018: 1 person2019: 0 people2020: 0 people2021: 0 people2022: 0 people2023: 0 people2024: 0 people2025: 1 person2026: 0 people
    20082026
    Something wrong here?
  7. Hidden swipe and long-press features make actions hard to guessUnreviewed

    8 people since 2015, in 8 different years · 1 this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 1 person2016: 0 people2017: 1 person2018: 1 person2019: 0 people2020: 1 person2021: 0 people2022: 0 people2023: 1 person2024: 1 person2025: 1 person2026: 1 person
    20082026
    Something wrong here?
  8. Controls at the top of the screen are hard to reach one-handedUnreviewed

    7 people since 2017, in 6 different years · 2 this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 0 people2017: 1 person2018: 2 people2019: 0 people2020: 1 person2021: 1 person2022: 0 people2023: 0 people2024: 0 people2025: 1 person2026: 1 person
    20082026
    Something wrong here?
  9. Many apps have different confusing UIs, so users forget what each doesUnreviewed

    7 people since 2011, in 6 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 1 person2012: 1 person2013: 0 people2014: 1 person2015: 1 person2016: 0 people2017: 0 people2018: 0 people2019: 1 person2020: 0 people2021: 0 people2022: 0 people2023: 0 people2024: 0 people2025: 2 people2026: 0 people
    20082026
    Something wrong here?
  10. Apps assume fast startup downloads, failing on slow connectionsUnreviewed

    6 people since 2012, in 6 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 1 person2013: 1 person2014: 1 person2015: 0 people2016: 1 person2017: 0 people2018: 1 person2019: 0 people2020: 0 people2021: 0 people2022: 0 people2023: 0 people2024: 1 person2025: 0 people2026: 0 people
    20082026
    Something wrong here?
  11. Back button exits the app instead of returning to the previous screenUnreviewed

    5 people since 2014, in 4 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 1 person2015: 0 people2016: 0 people2017: 0 people2018: 1 person2019: 0 people2020: 0 people2021: 0 people2022: 1 person2023: 0 people2024: 0 people2025: 2 people2026: 0 people
    20082026
    Something wrong here?
  12. Taps land on wrong elements, and press feedback doesn't trigger buttonsUnreviewed

    5 people since 2017, in 4 different years · 1 this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 0 people2017: 1 person2018: 0 people2019: 0 people2020: 0 people2021: 0 people2022: 0 people2023: 0 people2024: 2 people2025: 1 person2026: 1 person
    20082026
    Something wrong here?
  13. Icon-only buttons can't be interpreted without tooltipsUnreviewed

    4 people since 2012, in 4 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 1 person2013: 0 people2014: 0 people2015: 1 person2016: 0 people2017: 1 person2018: 0 people2019: 0 people2020: 1 person2021: 0 people2022: 0 people2023: 0 people2024: 0 people2025: 0 people2026: 0 people
    20082026
    Something wrong here?
  14. Mobile note apps are too sluggish for fast keyboard-driven note captureUnreviewed

    4 people since 2017, in 4 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 0 people2017: 1 person2018: 0 people2019: 1 person2020: 1 person2021: 0 people2022: 1 person2023: 0 people2024: 0 people2025: 0 people2026: 0 people
    20082026
    Something wrong here?
  15. Features are removed because users can't discover them without a manualUnreviewed

    4 people since 2019, in 2 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 0 people2017: 0 people2018: 0 people2019: 3 people2020: 0 people2021: 1 person2022: 0 people2023: 0 people2024: 0 people2025: 0 people2026: 0 people
    20082026
    Something wrong here?
  16. Text in apps can't be selected, so addresses can't be copiedUnreviewed

    4 people since 2026, in 1 different year · 4 this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 0 people2017: 0 people2018: 0 people2019: 0 people2020: 0 people2021: 0 people2022: 0 people2023: 0 people2024: 0 people2025: 0 people2026: 4 people
    20082026
    Something wrong here?
  17. Mobile app screens can't be zoomed, unlike web pagesUnreviewed

    3 people since 2015, in 3 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 1 person2016: 0 people2017: 0 people2018: 0 people2019: 0 people2020: 0 people2021: 1 person2022: 0 people2023: 0 people2024: 0 people2025: 1 person2026: 0 people
    20082026
    Something wrong here?
  18. Each app requires clicking through multiple screens for simple actionsUnreviewed

    3 people since 2013, in 3 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 1 person2014: 0 people2015: 0 people2016: 0 people2017: 0 people2018: 0 people2019: 0 people2020: 0 people2021: 1 person2022: 1 person2023: 0 people2024: 0 people2025: 0 people2026: 0 people
    20082026
    Something wrong here?
  19. Complex functions are hard to express with small buttons on small screensUnreviewed

    3 people since 2016, in 3 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 1 person2017: 0 people2018: 0 people2019: 0 people2020: 0 people2021: 1 person2022: 1 person2023: 0 people2024: 0 people2025: 0 people2026: 0 people
    20082026
    Something wrong here?
  20. Slow-loading apps freeze, so toddlers jump back into the same appUnreviewed

    3 people since 2011, in 3 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 1 person2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 1 person2017: 1 person2018: 0 people2019: 0 people2020: 0 people2021: 0 people2022: 0 people2023: 0 people2024: 0 people2025: 0 people2026: 0 people
    20082026
    Something wrong here?
  21. Custom app UX loses system-wide color and font customizationUnreviewed

    3 people since 2019, in 3 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 0 people2017: 0 people2018: 0 people2019: 1 person2020: 0 people2021: 0 people2022: 0 people2023: 1 person2024: 0 people2025: 1 person2026: 0 people
    20082026
    Something wrong here?
  22. Apps repeatedly ask for ratings after users already declinedUnreviewed

    3 people since 2009, in 3 different years · none this year

    2008: 0 people2009: 1 person2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 0 people2017: 0 people2018: 0 people2019: 0 people2020: 0 people2021: 1 person2022: 0 people2023: 0 people2024: 0 people2025: 1 person2026: 0 people
    20082026
    Something wrong here?
  23. Apps force immediate sign-up with no trial, so users leaveUnreviewed

    3 people since 2022, in 2 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 0 people2017: 0 people2018: 0 people2019: 0 people2020: 0 people2021: 0 people2022: 1 person2023: 0 people2024: 0 people2025: 2 people2026: 0 people
    20082026
    Something wrong here?
  24. Apps break visually when large font size is set on small phonesUnreviewed

    3 people since 2013, in 2 different years · none this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 1 person2014: 0 people2015: 0 people2016: 0 people2017: 0 people2018: 0 people2019: 0 people2020: 0 people2021: 0 people2022: 0 people2023: 0 people2024: 2 people2025: 0 people2026: 0 people
    20082026
    Something wrong here?
  25. Frequent logouts force repeated logins with no biometric optionUnreviewed

    3 people since 2026, in 1 different year · 3 this year

    2008: 0 people2009: 0 people2010: 0 people2011: 0 people2012: 0 people2013: 0 people2014: 0 people2015: 0 people2016: 0 people2017: 0 people2018: 0 people2019: 0 people2020: 0 people2021: 0 people2022: 0 people2023: 0 people2024: 0 people2025: 0 people2026: 3 people
    20082026
    Something wrong here?

This list counts all time; the period switch above only changes the ranking. Each issue is a group of similar complaints raised by at least 3 people in 3 different months and threads. Each line under an issue is Claude Haiku's summary of one of its latest comments, not a quote; follow it to read the comment on Hacker News.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

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