# Operator vs Sem

The clearest difference is in-app purchases: Operator at none against Sem's 9. Operator also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sem sells 9 in-app purchases, starting at $0.99 per month. Operator asks for nothing beyond the download.

## The numbers

| Metric | Operator | Sem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (18 ratings)](https://appshunter.io/ios/app/operator-math-puzzle-game/id6756993326/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | — |
| Monetization | Free | — |
| Size | 5 MB | 19 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brian Davis](https://appshunter.io/developer/1864116024) | [Matthew Zellman](https://appshunter.io/developer/1887693680) |

## What reviewers say

### Operator

[App page](https://appshunter.io/ios/app/operator-math-puzzle-game/id6756993326)

Engage in quick, brain-boosting math puzzles that transform arithmetic into an exciting challenge. This logic game offers various difficulty modes and a daily challenge to keep your mind sharp and alert, whether you're a student or an adult seeking a mental workout.

**Highlights:** Four standard difficulty modes, Daily 3x3 grid challenge, Offline and online play, Global leaderboards, Progress tracking and achievements, Timed equation solving

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sem

[App page](https://appshunter.io/ios/app/sem-antics/id6761081230)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $0.99 | per month |
| Plus Monthly | $1.49 | per month |
| Ultimate Monthly | $1.99 | per month |
| Basic Annual | $9.99 | per year |
| Plus Annual | $14.99 | per year |
| Ultimate Annual | $19.99 | per year |
| Royal Deck | $0.99 | one-time |
| Sky Deck | $0.99 | one-time |
| Brick Deck | $0.99 | one-time |


## Frequently asked questions

### Is Operator free?

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

### Is Sem free?

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

### Do Operator or Sem have ads?

Sem shows ads; Operator does not.

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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.*