# Abacus Genius Perfect Practice vs AT

The clearest difference is price: AT at Free against Abacus Genius Perfect Practice's $3.99. Abacus Genius Perfect Practice's advantage is device support (3 vs 1) and iOS requirement (13.4 vs 16.4). On ads and in-app purchases there is nothing between them.

AT is free to download; Abacus Genius Perfect Practice costs $3.99 up front. Abacus Genius Perfect Practice sells 1 in-app purchase, starting at $3.99 per month and AT sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Abacus Genius Perfect Practice | AT |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 37 MB | 62 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Diptimaya Patra](https://appshunter.io/developer/1726820679) | [Maksym Bezruchko](https://appshunter.io/developer/1884307829) |

## What reviewers say

### Abacus Genius Perfect Practice

[App page](https://appshunter.io/ios/app/abacus-genius-perfect-practice/id6477358095)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $3.99 | per month |


### AT

[App page](https://appshunter.io/ios/app/at-sat-prep-2026/id6785216997)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $1.99 | per 7 days |
| Monthly subscription | $4.99 | per month |


## Frequently asked questions

### Is Abacus Genius Perfect Practice free?

Abacus Genius Perfect Practice costs $3.99, and also offers in-app purchases.

### Is AT free?

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

### Do Abacus Genius Perfect Practice or AT have ads?

Neither Abacus Genius Perfect Practice nor AT 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.*