# picocalc vs 1000digit Calc

The clearest difference is in-app purchases: 1000digit Calc at none against picocalc's 1. 1000digit Calc also leads on ads (none vs shown) and update cadence (weekly vs every 16 months). picocalc's advantage is ratings volume (3 vs 1). On price, rating, monetization model and device support there is nothing between them.

Both are free to download. picocalc sells 1 one-off in-app purchase. 1000digit Calc asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for picocalc against 5.0 for 1000digit Calc. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

picocalc ships an update every 16 months, 1000digit Calc weekly. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | picocalc | 1000digit Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/picocalc/id284740333/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/1000digit-calc/id6463856899/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 65.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Weekly** |
| Monetization | Free | Free |
| Size | 6 MB | 5 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [Yukihiro Shioya](https://appshunter.io/developer/1565306192) |

## What reviewers say

### picocalc

[App page](https://appshunter.io/ios/app/picocalc/id284740333)

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.

**Highlights:** Set a number, Add to number, Subtract from number, Home screen badge display, Hides zero and negative numbers

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 1000digit Calc

[App page](https://appshunter.io/ios/app/1000digit-calc/id6463856899)

Perform arithmetic operations on integers up to 1,000 digits. Supports parentheses for complex calculations and automatically saves results to the clipboard for easy reuse in other applications.

**Highlights:** 1,000-digit integer calculations, Parentheses support for formula order, Automatic clipboard saving of results, Four basic arithmetic operations, Cross-application result reuse

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is picocalc free?

picocalc is free to download, with in-app purchases available.

### Is 1000digit Calc free?

1000digit Calc is free to download, with no in-app purchases.

### Which has better reviews, picocalc or 1000digit Calc?

picocalc and 1000digit Calc are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do picocalc or 1000digit Calc have ads?

picocalc shows ads; 1000digit Calc does not.

### Which is updated more often, picocalc or 1000digit Calc?

picocalc ships an update every 16 months, and 1000digit Calc weekly. Most recently, picocalc was updated on October 31, 2026 and 1000digit Calc on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*