# ExamReadyMath vs Otum

The clearest difference is in-app purchases: ExamReadyMath at none against Otum's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Otum sells 1 one-off in-app purchase. ExamReadyMath asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ExamReadyMath | Otum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Size | 7 MB | 4 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ronnie Reyes](https://appshunter.io/developer/1883447934) | [He LiNien](https://appshunter.io/developer/6776889501) |

## What reviewers say

### ExamReadyMath

[App page](https://appshunter.io/ios/app/examreadymath/id6762536769)

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

**In-app purchases:** none


### Otum

[App page](https://appshunter.io/ios/app/otum/id6790628529)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock · One-Time Buy | $14.99 | one-time |


## Frequently asked questions

### Is ExamReadyMath free?

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

### Is Otum free?

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

### Do ExamReadyMath or Otum have ads?

Neither ExamReadyMath nor Otum shows ads.

### Which is updated more often, ExamReadyMath or Otum?

ExamReadyMath ships an update every 5 days, and Otum every 5 days. Most recently, ExamReadyMath was updated on October 25, 2026 and Otum on October 16, 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.*