What users complain about in calculator apps.
Users tolerate crashes and paywalls far less than ads, making stability and fair monetization the actual competitive differentiators.
2,303 reviews · 19 apps analyzed · as of June 18, 2026
Excessive ads interrupting calculator use
Mentioned in 37% of complaints across the 19 apps we analyzed in calculator apps — 26 of 71 counted.
Every complaint, ranked by frequency
Each theme’s share of the counted complaints, with a representative review.
Excessive ads interrupting calculator use
“It's a calculator. The option of UI, and functions is great. But the full screen ads in a calculator is beyond ridiculous. I'll unfortunately be switching apps. I've used this calculator app since back in the iOS 6 days. And there never used to be ads, so I don't know why you…”
Forced subscription or paywall for basic features
“An amazing app with tons of paid features like a picture the thing is it keeps popping up a subscription and it is hard to see the x button and it acts like it will delete the app, if you really want to make money make a no pop up one time purchase for a 1 for no pop ups ,but to…”
App crashes, freezes, or fails to open
“Can NOT SEE numbers as you enter them (details at end of other issues below)… * Running iOS26, when putting app as Widget (which is only way to avoid Ads), numeric entry Lags / Delayed response by at least 1/2 second each press. Never used to lag as widget in older OS and/or App…”
Recent updates broke previously working features
“This app has gone from usable in my daily life to a painful struggle! All the convenient features seem to be gone and I have to jump through hoops to get the result I want to the page I want. Whoever thought it was a good idea that when I copy a result it comes out as a…”
Unwanted pop-ups requesting reviews or ratings
“Functions well,easy to understand and configure to your readability perference! Developer please note here, Your only but has to do with a constant solicitation for “POSITIVE REVIEW UPON START UP! until a positive review is obtained. I pray that your and your families well being…”
Missing customization or UI preferences
“I think it’s a great app.l like nature🍄🍃🌳🌴🌲🌿🌱🪷🪻 backgrounds. but I wish it had custom backgrounds because I like animals and I would put an animal background and World War II and world war backgrounds on it. or traumatic !?stuff that happened. like…”
Decimal point or numeric entry glitches
“Wow! After painstakingly typing in my data, taking great care to make sure everything was correct, there's a message at the end that says "Input too long" Really? Now, don't get me wrong. I love most native Apple apps. But this is so seriously lame I had to write a review on it.…”
Frequently asked
What do users complain about most in calculator apps?
The most common complaint is "Excessive ads interrupting calculator use" — 37% of analyzed complaints across 19 apps.
How many reviews did AppImp analyze for calculator apps?
2,303 real App Store reviews across 19 apps — frequency-ranked and counted, never estimated.
What are the top complaints in calculator apps?
1. Excessive ads interrupting calculator use (37%); 2. Forced subscription or paywall for basic features (15%); 3. App crashes, freezes, or fails to open (14%); 4. Recent updates broke previously working features (14%); 5. Unwanted pop-ups requesting reviews or ratings (10%).
This is the what. The Deep Report is the why.
Root causes behind each complaint, which competitor has already solved it, and whether the gap in calculator apps is still open — the part a model can’t reconstruct.
Every figure above is counted from real, public App Store reviews — never estimated, never LLM-invented. 2,303 reviews across 19 calculator apps.