picocalc vs GP Counter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
picocalc
This app displays a single number on your home screen badge, which can be set, added to, or subtracted from. It's a minimalist tool for quick numerical reminders. Negative numbers and zero are not displayed on the badge.
- Set a number
- Add to number
- Subtract from number
- Home screen badge display
- Hides zero and negative numbers
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picocalc is a tiny number memo which can be set, added and subtracted. The number is show as an application badge in the home screen. Zero and a negative number won't be shown in the badge.
GP Counter
This multi-counter app allows you to record timestamps for various events simultaneously. View individual counters in full screen, compare count timestamps, and export your data to a file. It also displays today's counts using tally marks.
- Multiple simultaneous counters
- Full-screen counter display
- Timestamp recording for counts
- Comparison of counter timestamps
- Export count timestamp data to file
- Tally marks for today's counts
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"GP counter" is a general-purpose multi-counter that records the time stamp. Features of GP Counter * You can use multiple counters at the same time. * It is also possible to display one counter in full screen. * Since the time stamp of the count-up is recorded, it can be compared with the time stamp of other counters. * You can output the count time stamp data to a file. * Apart from the total counts, today's counts are displayed in tally marks.
Screenshots
Verdict
The clearest difference is monetization model: picocalc at free against GP Counter's free with in-app purchases. picocalc also leads on review sentiment (66% vs 50%). GP Counter's advantage is update cadence (every 8 months vs every 31 months) and iOS requirement (15.6 vs 17.6). On price, rating, ratings volume and ads 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. picocalc sells 1 one-off in-app purchase and GP Counter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for picocalc against 5.0 for GP Counter. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews are what separate them: 66% of picocalc's written reviews are positive against 50% of GP Counter's.
picocalc ships an update every 31 months, GP Counter every 8 months. The most recent releases landed on September 22, 2026 and August 31, 2026 respectively.
| Parameter | picocalc | GP Counter |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Positive reviews | 65.6% of reviews — better | 50.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 31 months | Every 8 months — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 6 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Masayuki Akamatsu | Yasuyoshi Ota |
Customer experience
picocalc
GP Counter
In-app purchases
picocalc
- Remove Ads$0.99
GP Counter
- Allow unlimited counting$2.99









