# Super Basic Calculator vs Sumi

The clearest difference is in-app purchases: Sumi at none against Super Basic Calculator's 1. Sumi also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Super Basic Calculator sells 1 one-off in-app purchase. Sumi asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Super Basic Calculator | Sumi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 8 MB | 2 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [David Koontz](https://appshunter.io/developer/1824267753) | [YuXin Healing Hub Pte. Ltd.](https://appshunter.io/developer/1845557182) |

## What reviewers say

### Super Basic Calculator

[App page](https://appshunter.io/ios/app/super-basic-calculator/id6748281902)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |


### Sumi

[App page](https://appshunter.io/ios/app/sumi-tape-calculator/id6753895368)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Super Basic Calculator free?

Super Basic Calculator is free to download, with in-app purchases available.

### Is Sumi free?

Sumi is free to download, with no in-app purchases.

### Do Super Basic Calculator or Sumi have ads?

Neither Super Basic Calculator nor Sumi shows ads.

### Which is updated more often, Super Basic Calculator or Sumi?

Super Basic Calculator ships an update monthly, and Sumi monthly. Most recently, Super Basic Calculator was updated on October 7, 2026 and Sumi on October 21, 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.*