What users complain about in invoicing apps
Stability issues outweigh UI concerns, with core functions like sending invoices failing as frequently as authentication problems.
2,278 reviews · 23 apps analyzed · Analysis as of June 18, 2026
App crashes and freezes frequently
Mentioned in 24% of complaints across the 23 apps we analyzed in invoicing apps.
Every complaint, ranked by frequency
01App crashes and freezes frequently
24%Found in 15 reviews.
“This app has become a buggy nightmare. There are screens you cannot get past such as “sharing contacts”. I do not invoice my friends but until you click “share” you cannot resume your invoicing. My phone number was wrong by a digit, so I went in to fix it and it says “invalid…”
02Login and logout issues prevent access
16%Found in 10 reviews.
“I’m paying for this invoice now and I have absolutely no access. No way to operate or anything. I don’t know how you expect me to use it and how do you expect to continue to charge me like you have for the last few months while I haven’t been using it, I haven’t noticed it…”
03Invoices fail to send or send inconsistently
15%Found in 9 reviews.
“I had high hopes for this app. it has great potential I really like the layout of all the documents. The only problem is when sending an estimate or invoice through email. It does not send it through my business email, It sent through my personal email. There’s no option to…”
04Customer support is unresponsive or unhelpful
13%Found in 8 reviews.
“Have been with this company for 10 years. About 2 to 4 times a year; I have to remove the app and reinstall it. When there are problems or if I have questions-I would find better help calling Dominos pizza than Invoice2go. People obviously dont care about the very people who are…”
05App redesign made UI less intuitive
11%Found in 7 reviews.
“Has potential but clearly no team trying to improve the bugs. If I make a new invoice I have to completely close it from my app screen to start a new one otherwise it just keeps opening the same one. Can’t alter any of my customers info to update emails or whatever. It struggles…”
06Pricing changes or surprise subscription charges
11%Found in 7 reviews.
“I’m paying for this invoice now and I have absolutely no access. No way to operate or anything. I don’t know how you expect me to use it and how do you expect to continue to charge me like you have for the last few months while I haven’t been using it, I haven’t noticed it…”
07Data disappears or gets lost unexpectedly
10%Found in 6 reviews.
“All my invoices for the last 6 months got erased off my app, I emailed customer service for 2 days asking for assistance with recovering this. Only response I would received is to update my app. My app has no updates to download.I have emailed them letting them know and still no…”
Frequently asked
What do users complain about most in invoicing apps?
The most common complaint is "App crashes and freezes frequently" — 24% of analyzed complaints across 23 apps.
How many reviews did AppImp analyze for invoicing apps?
2,278 real App Store reviews across 23 apps — frequency-ranked and counted, never estimated.
What are the top complaints in invoicing apps?
1. App crashes and freezes frequently (24%); 2. Login and logout issues prevent access (16%); 3. Invoices fail to send or send inconsistently (15%); 4. Customer support is unresponsive or unhelpful (13%); 5. App redesign made UI less intuitive (11%).
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 invoicing appsis still open — the part a model can’t reconstruct.
Run the full reportEvery figure above is counted from real, public App Store reviews — never estimated, never LLM-invented. 2,278 reviews across 23 invoicing apps.