# A vs SJT Prep

The clearest difference is iOS requirement: SJT Prep at 15.0 against A's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. A sells 3 in-app purchases, starting at $3.99 per month and SJT Prep sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | A | SJT Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 7 MB | 102 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) | [Alpha Beat Limited](https://appshunter.io/developer/1745742707) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-level-sciences-revision/id6793016005)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $12.99 | per year |
| Lifetime Access | $14.99 | one-time |


### SJT Prep

[App page](https://appshunter.io/ios/app/sjt-prep-casper-test-practice/id6794435150)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $19.99 | per month |
| Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is A free?

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

### Is SJT Prep free?

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

### Do A or SJT Prep have ads?

Neither A nor SJT Prep shows ads.

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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.*