# INDEX 26 vs NumbBrain

The clearest difference is in-app purchases: INDEX 26 at none against NumbBrain's 3. INDEX 26 also leads on update cadence (every 10 days vs every 4 months). NumbBrain's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. NumbBrain sells 3 in-app purchases, starting at $0.99 per month. INDEX 26 asks for nothing beyond the download.

INDEX 26 ships an update every 10 days, NumbBrain every 4 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | INDEX 26 | NumbBrain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 4 months |
| Size | 146 MB | 14 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [palexpo SA](https://appshunter.io/developer/1463342683) | [笛 姜](https://appshunter.io/developer/1561507357) |

## What reviewers say

### INDEX 26

[App page](https://appshunter.io/ios/app/index-26/id6444353042)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### NumbBrain

[App page](https://appshunter.io/ios/app/numbbrain-screen-time-control/id6751564003)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Annual Premium | $2.99 | per year |
| Lifetime Premium | $5.99 | one-time |


## Frequently asked questions

### Is INDEX 26 free?

INDEX 26 is free to download, with no in-app purchases.

### Is NumbBrain free?

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

### Do INDEX 26 or NumbBrain have ads?

INDEX 26 shows ads; NumbBrain does not.

### Which is updated more often, INDEX 26 or NumbBrain?

INDEX 26 ships an update every 10 days, and NumbBrain every 4 months. Most recently, INDEX 26 was updated on October 27, 2026 and NumbBrain 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.*