# Brainstorms International vs ChessMonitor

The clearest difference is update cadence: ChessMonitor at monthly against Brainstorms International's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Brainstorms International sells 10 one-off in-app purchases and ChessMonitor sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Brainstorms International ships an update every 6 months, ChessMonitor monthly. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Brainstorms International | ChessMonitor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Size | 146 MB | 104 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [ChessMonitor UG (haftungsbeschränkt)](https://appshunter.io/developer/1855090221) |

## What reviewers say

### 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 |


### ChessMonitor

[App page](https://appshunter.io/ios/app/chessmonitor/id6755627535)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| Yearly | $79.99 | per year |


## Frequently asked questions

### Is Brainstorms International free?

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

### Is ChessMonitor free?

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

### Do Brainstorms International or ChessMonitor have ads?

Neither Brainstorms International nor ChessMonitor shows ads.

### Which is updated more often, Brainstorms International or ChessMonitor?

Brainstorms International ships an update every 6 months, and ChessMonitor monthly. Most recently, Brainstorms International was updated on October 10, 2026 and ChessMonitor on October 17, 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.*