How to see what users hate about a competitor's app

Your competitors' 1–3★ reviews are a free, public list of what their users would pay to get fixed. This guide shows how to read them systematically, and what we found when we classified 36,800 recent App Store reviews of 112 popular apps (16,363 of them, 44%, contained a complaint).

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1. Collect the right reviews

  1. Recent, not "most helpful". Apple's public reviews feed can be sorted by most recent; the last 1–2 months tell you about the current version, not what was fixed in 2022.
  2. More than one country. Pricing and localisation complaints differ a lot between storefronts. Pull at least the US plus your two biggest markets.
  3. All star ratings. 4★ reviews often contain the most precise feature requests ("great, but…").
  4. Note the app version of every review so you can see whether a problem started with a release.

2. Tag every complaint with one or more themes

We use 7 themes that cover almost every app: pricing / subscription, bugs, crashes / freezes, performance, UX / design, feature requests, and ads. A review can have several. Score each one for severity (0 = mild, 3 = "I'm deleting this").

3. Rank by reviews × severity, not by volume alone

Ten mild "dark mode please" reviews matter less than four "charged twice, no refund" ones. Multiply the number of reviews by the average severity and sort. The top 3 are your competitor's weak spots.

4. Turn weak spots into positioning

What 36,800 reviews of 112 apps show

Number one complaint theme per app, across the 112 App Store apps we have published reports for (recent reviews, up to 6 storefronts each):

#1 themeAppsShare of apps
Bugs6255%
Pricing / subscription3935%
Feature requests54%
Ads33%
UX / design33%

By category

Complaint rate = share of analysed reviews that contained a complaint. Categories with at least 3 apps.

CategoryAppsComplaint rateMost common #1 themeMost complained about
Social937%Bugs (8 of 9)Pinterest, Discord, Instagram
Streaming862%Bugs (4 of 8)Hulu, Disney+, Prime Video
Shopping628%Pricing / subscription (3 of 6)Amazon Shopping, Walmart, Temu
AI assistant639%Bugs (4 of 6)Character AI, Microsoft Copilot, Perplexity
Food delivery650%Pricing / subscription (6 of 6)Uber Eats, Grubhub, DoorDash
Travel542%Pricing / subscription (3 of 5)Fly Delta, Airbnb, Expedia
Banking533%Bugs (4 of 5)Bank of America, Capital One, Chase
Fitness563%Bugs (5 of 5)Fitbit, Planet Fitness, Strava
Productivity443%Bugs (3 of 4)Fantastical, Notion, Todoist
Photography452%Pricing / subscription (3 of 4)VSCO, Halide, Lightroom
Music336%Bugs (2 of 3)YouTube Music, Spotify, Apple Music
Books335%Bugs (2 of 3)Blinkist, Amazon Kindle, Audible
Language learning333%Feature requests (2 of 3)Babbel, Duolingo, Busuu
Notes351%Feature requests (1 of 3)Evernote, Obsidian, Bear

The 10 apps with the highest complaint rate

AppCategoryReviews analysedWith a complaint#1 theme
HuluStreaming30091%Bugs (56%)
FitbitFitness30088%Bugs (73%)
McDonald'sFood ordering30081%Bugs (86%)
Disney+Streaming30081%Bugs (65%)
VSCOPhotography30080%Pricing / subscription (60%)
HeadspaceMeditation50080%Pricing / subscription (56%)
PayPalPayments30079%Bugs (50%)
EvernoteNotes30077%Pricing / subscription (71%)
Prime VideoStreaming30077%Ads (51%)
AfterpayOther30073%Bugs (64%)

Method: recent public App Store reviews (Apple's customer-reviews RSS), classified by AI into the 7 themes. Recent reviews skew negative compared with all-time star ratings, so use the numbers to compare apps, not as an absolute verdict. Each app has its own page with the full table and quotes: all app reports, side-by-side comparisons.

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Questions

How can I see what users dislike about a competitor's app?

Read its recent 1–3★ App Store reviews from several countries, tag each complaint with a theme (pricing, bugs, crashes, performance, UX, feature requests, ads), score severity, and rank themes by reviews × severity.

Is it allowed to analyse a competitor's App Store reviews?

App Store reviews are public. Reading and summarising them is normal market research; do not republish reviewer names or personal data.

What do users complain about most in apps?

Across 112 apps we analysed, the most common number-one theme was bugs (62 apps).