# IJSU Master Sheet vs API

The clearest difference is device support: API at 2 against IJSU Master Sheet's —. IJSU Master Sheet's advantage is iOS requirement (12.0 vs 16.4). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | IJSU Master Sheet | API |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 15 months |
| Size | 30 MB | 53 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Alsadiq Uni](https://appshunter.io/developer/1487638293) | [MERGE DMCC](https://appshunter.io/developer/1547074457) |

## What reviewers say

### IJSU Master Sheet

[App page](https://appshunter.io/ios/app/ijsu-master-sheet/id6450892841)

**In-app purchases:** none


### API

[App page](https://appshunter.io/ios/app/api-training/id6745800034)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IJSU Master Sheet free?

IJSU Master Sheet is free to download, with no in-app purchases.

### Is API free?

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

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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.*