Std dev - both sample and population - produce invalid results. All functions that use std dev like correlation are also wrong.
Estimated from the grossing charts of Oct 21, 2026 in the 53 countries we track, and ratings growth on the App Store.
From our daily snapshots of every grossing chart.
| Sep 24, 2026 | $431 a month |
| Sep 25, 2026 | not in a grossing chart |
| Sep 26, 2026 | not in a grossing chart |
| Sep 27, 2026 | not in a grossing chart |
| Sep 28, 2026 | not in a grossing chart |
| Sep 29, 2026 | $709 a month |
| Sep 30, 2026 | not in a grossing chart |
| Oct 1, 2026 | $645 a month |
| Oct 2, 2026 | $679 a month |
| Oct 3, 2026 | not in a grossing chart |
| Oct 4, 2026 | not in a grossing chart |
| Oct 5, 2026 | not in a grossing chart |
| Oct 6, 2026 | not in a grossing chart |
| Oct 7, 2026 | not in a grossing chart |
| Oct 8, 2026 | not in a grossing chart |
| Oct 9, 2026 | not in a grossing chart |
| Oct 10, 2026 | not in a grossing chart |
| Oct 11, 2026 | not in a grossing chart |
| Oct 12, 2026 | not in a grossing chart |
| Oct 13, 2026 | not in a grossing chart |
| Oct 14, 2026 | $485 a month |
| Oct 15, 2026 | $3K a month |
| Oct 16, 2026 | not in a grossing chart |
| Oct 17, 2026 | not in a grossing chart |
| Oct 18, 2026 | $2.8K a month |
| Oct 19, 2026 | $1.3K a month |
| Oct 20, 2026 | not in a grossing chart |
| Oct 21, 2026 | not in a grossing chart |
| Oct 22, 2026 | not in a grossing chart |
Measured from the store, not estimated.
From the latest 13 reviews on the United States App Store, Feb 21, 2023 to Mar 13, 2026: 85% are 1 or 2 stars. Open a theme to read what people wrote.
4 of the 1 and 2 star reviews.
★★★★★ All functions that use std dev like correlation are also wrong.
★★★★★ Bought the emulator for use in a MacBook M2; the display freezes, it will block the top and bottom of the calculator, rendering it useless.
★★★★★ Save and recover is useless.
3 of the 1 and 2 star reviews.
★★★★★ Bought the emulator for use in a MacBook M2; the display freezes, it will block the top and bottom of the calculator, rendering it useless. I have written to the company, but they do not care to respond. I would like a…
★★★★★ You can't use it until you purchase
★★★★★ The cash flow (CF) does does work and IRR gives an error.
3 of the 1 and 2 star reviews.
★★★★★ I would like a refund, but I guess I will never get it.
No feature requests in the latest reviews.
Nothing stands out.
Not enough good reviews in English to tell.
Found by matching words and phrases in the reviews, not read by a person. A review can count toward more than one theme.
Latest reviews, United States App Store.
Std dev - both sample and population - produce invalid results. All functions that use std dev like correlation are also wrong.
Bought the emulator for use in a MacBook M2; the display freezes, it will block the top and bottom of the calculator, rendering it useless. I have written to the company, but they do not care to respond. I would like a refund, but I guess I will never get it.
You can’t use it until you purchase
Any basic financial functionality ie(CF) prompts a pop up requiring app purchase to continue. Bait and Switch Paywall.
Sempre da erro ao calcular TIR. Testei em outro app e o problema está na configuração de vocês. Favor verificar e atualizar
Info I enter is removed every time I leave the app. Requires re-entry of information on next use. Big waste of time. Save and recover is useless.
Same category, earning about as much.
Apple Search Ads this app ran in the last 90 days, from Apple's public ad repository.
Where this app is buying and earning its users. Each link opens pre filtered.
Most repeated terms in the listing. Highlighted ones also appear in the title.
Released Nov 16, 2022. Current version shipped Aug 8, 2026.
Prices, ranks and reviews are per country. Revenue above is already worldwide.