# Arc Maths vs Sum Serenity

The clearest difference is iOS requirement: Sum Serenity at 12.0 against Arc Maths's 15. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Arc Maths sells 3 in-app purchases, starting at $7.99 per month and Sum Serenity sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Arc Maths ships an update every 2 months, Sum Serenity every 3 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Arc Maths | Sum Serenity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arc-maths/id1452611418/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Freemium | — |
| Size | 75 MB | 33 MB |
| Requires iOS | 15 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ARC Education Ltd](https://appshunter.io/developer/1452611417) | [Blossom Labs](https://appshunter.io/developer/1723890403) |

## What reviewers say

### Arc Maths

[App page](https://appshunter.io/ios/app/arc-maths/id1452611418)

This app uses AI to create personalized math practice sessions for students aged 11-16, covering all GCSE topics. It features handwriting recognition for answers and tracks progress with XP and streaks, offering a 10-minute daily session.

**Highlights:** Personalized AI learning paths, Handwriting recognition for answers, Variety of question types, Progress tracking with XP and streaks, 10-minute daily sessions, Tutor portal access

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| ARC Maths Family | $13.49 | per month |
| Annual Subscription | $55.99 | per year |


### Sum Serenity

[App page](https://appshunter.io/ios/app/sum-serenity/id6475314608)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Serenity Seeker | $1.99 | one-time |


## Frequently asked questions

### Is Arc Maths free?

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

### Is Sum Serenity free?

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

### Do Arc Maths or Sum Serenity have ads?

Neither Arc Maths nor Sum Serenity shows ads.

### Which is updated more often, Arc Maths or Sum Serenity?

Arc Maths ships an update every 2 months, and Sum Serenity every 3 months. Most recently, Arc Maths was updated on October 15, 2026 and Sum Serenity on October 7, 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.*