# Scribble vs IQ Brain Game Smart Challenge

The clearest difference is update cadence: IQ Brain Game Smart Challenge at fortnightly against Scribble's every 17 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Scribble sells 7 one-off in-app purchases and IQ Brain Game Smart Challenge sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Scribble ships an update every 17 months, IQ Brain Game Smart Challenge fortnightly. The most recent releases landed on May 15, 2026 and December 12, 2025 respectively.

## The numbers

| Metric | Scribble | IQ Brain Game Smart Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 17 months | **Fortnightly** |
| Size | 41 MB | 239 MB |
| Requires iOS | **12.6** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PLAYTOUCH](https://appshunter.io/developer/608330754) | [Pocket School - Basic education to learn for adults & kids](https://appshunter.io/developer/1122988377) |

## What reviewers say

### Scribble

[App page](https://appshunter.io/ios/app/scribble-play-with-math/id1620125315)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 diamonds | $0.99 | one-time |
| Remove all ADS from the game | $1.99 | one-time |
| 300 diamonds | $1.99 | one-time |
| 550 diamonds | $3.99 | one-time |
| 1200 diamonds | $8.99 | one-time |
| 2500 diamonds | $17.99 | one-time |
| 4000 diamonds | $26.99 | one-time |


### IQ Brain Game Smart Challenge

[App page](https://appshunter.io/ios/app/iq-brain-game-smart-challenge/id1630328359)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Tips | $0.99 | one-time |
| 20 Tips | $1.99 | one-time |
| 40 Tips | $2.99 | one-time |
| Remove ads | $3.49 | one-time |


## Frequently asked questions

### Is Scribble free?

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

### Is IQ Brain Game Smart Challenge free?

IQ Brain Game Smart Challenge is free to download, with in-app purchases available.

### Do Scribble or IQ Brain Game Smart Challenge have ads?

Both Scribble and IQ Brain Game Smart Challenge show ads.

### Which is updated more often, Scribble or IQ Brain Game Smart Challenge?

Scribble ships an update every 17 months, and IQ Brain Game Smart Challenge fortnightly. Most recently, Scribble was updated on May 15, 2026 and IQ Brain Game Smart Challenge on December 12, 2025.

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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.*