# Synthesis24 vs Make 24

The clearest difference is in-app purchases: Synthesis24 at none against Make 24's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Make 24 sells 1 one-off in-app purchase. Synthesis24 asks for nothing beyond the download.

Synthesis24 ships an update every 3 months, Make 24 every 2 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Synthesis24 | Make 24 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 49 MB | 51 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杰超 杨](https://appshunter.io/developer/1364053114) | [莉 纪](https://appshunter.io/developer/1674464813) |

## What reviewers say

### Synthesis24

[App page](https://appshunter.io/ios/app/synthesis24/id1606353407)

**Features:** macOS Compatibility

**In-app purchases:** none


### Make 24

[App page](https://appshunter.io/ios/app/make-24-mental-math-cards/id6446213832)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium VIP | $2.99 | one-time |


## Frequently asked questions

### Is Synthesis24 free?

Synthesis24 is free to download, with no in-app purchases.

### Is Make 24 free?

Make 24 is free to download, with in-app purchases available.

### Do Synthesis24 or Make 24 have ads?

Neither Synthesis24 nor Make 24 shows ads.

### Which is updated more often, Synthesis24 or Make 24?

Synthesis24 ships an update every 3 months, and Make 24 every 2 months. Most recently, Synthesis24 was updated on October 25, 2026 and Make 24 on October 27, 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.*