# Collins Infinity vs Brainstorms International

The clearest difference is in-app purchases: Collins Infinity at none against Brainstorms International's 10. Collins Infinity also leads on iOS requirement (11.0 vs 15.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Brainstorms International sells 10 one-off in-app purchases. Collins Infinity asks for nothing beyond the download.

Collins Infinity ships an update every 3 months, Brainstorms International every 6 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Collins Infinity | Brainstorms International |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 141 MB | 146 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HarperCollins Publishers India](https://appshunter.io/developer/989158175) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Collins Infinity

[App page](https://appshunter.io/ios/app/collins-infinity/id6443555048)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brainstorms International

[App page](https://appshunter.io/ios/app/brainstorms-international/id6749004395)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AO | $29.99 | one-time |
| Package - AV | $34.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |


## Frequently asked questions

### Is Collins Infinity free?

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

### Is Brainstorms International free?

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

### Do Collins Infinity or Brainstorms International have ads?

Neither Collins Infinity nor Brainstorms International shows ads.

### Which is updated more often, Collins Infinity or Brainstorms International?

Collins Infinity ships an update every 3 months, and Brainstorms International every 6 months. Most recently, Collins Infinity was updated on October 6, 2026 and Brainstorms International on October 10, 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.*