PiCalculator! vs Hidden Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PiCalculator!
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Do you love Pi, the most famous irrational number in mathematics? Do you want to challenge your smartphone and see how many digits of Pi it can compute? Do you want to learn more about the history and applications of Pi? If you answered yes to any of these questions, then PiCalculator is the app for you! PiCalculator is a fun and educational app that lets you calculate Pi with your smartphone. You can choose how many digits of Pi you want to compute, and watch as your smartphone works hard to find them. You can also see the progress and speed of the calculation, and compare it with other devices. You can also share your results and achievements with your friends on social media.
Hidden Timer
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A timer app that allows user to hide the time while the timer is running.
Screenshots
Verdict
The clearest difference is device support: Hidden Timer at 3 against PiCalculator!'s —. Hidden Timer also leads on iOS requirement (15.8.3 vs 26.0). On price and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | PiCalculator! | Hidden Timer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 2 weeks |
| Ads | — | Yes |
| In-app purchases | No | No |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.8.3 — better |
| Further details — not scored | ||
| Size | 1 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Nicolo Campari | Hideaki Uchikoshi |
In-app purchases
PiCalculator!
No in-app purchases
Hidden Timer
No in-app purchases
Questions
Is PiCalculator! free?
Is Hidden Timer free?
Other comparisons
