# SciMaster vs Mental Math 24

The clearest difference is in-app purchases: SciMaster at none against Mental Math 24's 1. SciMaster also leads on ads (none vs shown). Mental Math 24's advantage is update cadence (daily vs every 3 months). On price, device support and iOS requirement there is nothing between them.

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

SciMaster ships an update every 3 months, Mental Math 24 daily. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SciMaster | Mental Math 24 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Daily** |
| Size | 37 MB | 22 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ATOMBEAT TECHNOLOGY PTE. LTD.](https://appshunter.io/developer/1812552907) | [君 潘](https://appshunter.io/developer/647696765) |

## What reviewers say

### SciMaster

[App page](https://appshunter.io/ios/app/scimaster/id6758187749)

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

**In-app purchases:** none


### Mental Math 24

[App page](https://appshunter.io/ios/app/mental-math-24-number-puzzle/id6800976274)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $1.99 | one-time |


## Frequently asked questions

### Is SciMaster free?

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

### Is Mental Math 24 free?

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

### Do SciMaster or Mental Math 24 have ads?

Mental Math 24 shows ads; SciMaster does not.

### Which is updated more often, SciMaster or Mental Math 24?

SciMaster ships an update every 3 months, and Mental Math 24 daily. Most recently, SciMaster was updated on October 18, 2026 and Mental Math 24 on October 19, 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.*