# Arithmetic Review vs Pet Compass

The clearest difference is update cadence: Pet Compass at every 10 days against Arithmetic Review's every 8 months. Pet Compass also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Arithmetic Review sells 1 one-off in-app purchase and Pet Compass sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Arithmetic Review ships an update every 8 months, Pet Compass every 10 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Arithmetic Review | Pet Compass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/arithmetic-review-gre-lite/id605344887/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 10 MB | 121 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Miguel Hernandez](https://appshunter.io/developer/1518487458) |

## What reviewers say

### Arithmetic Review

[App page](https://appshunter.io/ios/app/arithmetic-review-gre-lite/id605344887)

Prepare for the GRE with over 450 practice questions covering arithmetic topics. Get instant feedback, detailed explanations, and track your progress with visual tools to ensure you're ready for test day.

**Highlights:** 450+ practice questions, Detailed explanations, Instant feedback, Progress tracking with charts, Topic-specific review, Mock tests

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $9.99 | one-time |


### Pet Compass

[App page](https://appshunter.io/ios/app/pet-compass/id6757321643)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pet Compass Pro - Weekly | $2.99 | per 7 days |
| Pet Compass Pro - Monthly | $9.99 | per month |
| Pet Compass Pro - Yearly | $59.99 | per year |


## Frequently asked questions

### Is Arithmetic Review free?

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

### Is Pet Compass free?

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

### Do Arithmetic Review or Pet Compass have ads?

Neither Arithmetic Review nor Pet Compass shows ads.

### Which is updated more often, Arithmetic Review or Pet Compass?

Arithmetic Review ships an update every 8 months, and Pet Compass every 10 days. Most recently, Arithmetic Review was updated on November 1, 2026 and Pet Compass on November 5, 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.*