# Operating Systems Quiz (BSCS) vs Math Automata

The clearest difference is update cadence: Math Automata at every 4 days against Operating Systems Quiz (BSCS)'s every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Operating Systems Quiz (BSCS) sells 7 in-app purchases, starting at $4.99 per month and Math Automata sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Operating Systems Quiz (BSCS) ships an update every 3 weeks, Math Automata every 4 days. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Operating Systems Quiz (BSCS) | Math Automata |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 68 MB | 123 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [seoro lee](https://appshunter.io/developer/1868875657) |

## What reviewers say

### Operating Systems Quiz (BSCS)

[App page](https://appshunter.io/ios/app/operating-systems-quiz-bscs/id1581425762)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $4.99 | per month |
| 3 Months Package | $9.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $19.99 | per year |
| 1500 Coins | $0.99 | one-time |
| 3500 Coins | $1.99 | one-time |
| 6000 Coins | $2.99 | one-time |


### Math Automata

[App page](https://appshunter.io/ios/app/math-automata/id6758681941)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 hints | $0.99 | one-time |


## Frequently asked questions

### Is Operating Systems Quiz (BSCS) free?

Operating Systems Quiz (BSCS) is free to download, with in-app purchases available.

### Is Math Automata free?

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

### Do Operating Systems Quiz (BSCS) or Math Automata have ads?

Both Operating Systems Quiz (BSCS) and Math Automata show ads.

### Which is updated more often, Operating Systems Quiz (BSCS) or Math Automata?

Operating Systems Quiz (BSCS) ships an update every 3 weeks, and Math Automata every 4 days. Most recently, Operating Systems Quiz (BSCS) was updated on September 22, 2026 and Math Automata on September 21, 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.*