# Math Challenge vs CEN TEST PREP 2026

The clearest difference is in-app purchases: Math Challenge at none against CEN TEST PREP 2026's 2. Math Challenge also leads on update cadence (every 2 weeks vs every 2 months). CEN TEST PREP 2026's advantage is iOS requirement (15.1 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. CEN TEST PREP 2026 sells 2 in-app purchases, starting at $9.99 per 7 days. Math Challenge asks for nothing beyond the download.

Math Challenge ships an update every 2 weeks, CEN TEST PREP 2026 every 2 months. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Math Challenge | CEN TEST PREP 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cen-test-prep-2026-2027/id6760323596/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 24 MB | 51 MB |
| Requires iOS | 18 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UmpaLumpa Technologies S.L.](https://appshunter.io/developer/1799064190) | [Tripviler Co., Ltd.](https://appshunter.io/developer/1421064800) |

## What reviewers say

### Math Challenge

[App page](https://appshunter.io/ios/app/math-challenge-brain-training/id6756998104)

**Features:** macOS Compatibility

**In-app purchases:** none


### CEN TEST PREP 2026

[App page](https://appshunter.io/ios/app/cen-test-prep-2026-2027/id6760323596)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly - 3 days Trial | $9.99 | per 7 days |
| Premium Yearly | $124.99 | per year |


## Frequently asked questions

### Is Math Challenge free?

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

### Is CEN TEST PREP 2026 free?

CEN TEST PREP 2026 is free to download, with in-app purchases available.

### Do Math Challenge or CEN TEST PREP 2026 have ads?

Neither Math Challenge nor CEN TEST PREP 2026 shows ads.

### Which is updated more often, Math Challenge or CEN TEST PREP 2026?

Math Challenge ships an update every 2 weeks, and CEN TEST PREP 2026 every 2 months. Most recently, Math Challenge was updated on October 17, 2026 and CEN TEST PREP 2026 on October 24, 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.*