# Even or odd Mental calculation vs Super Sumas

The clearest difference is in-app purchases: Super Sumas at none against Even or odd Mental calculation's 1. Super Sumas also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Even or odd Mental calculation sells 1 one-off in-app purchase. Super Sumas asks for nothing beyond the download.

Even or odd Mental calculation ships an update every 23 months, Super Sumas every 18 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Even or odd Mental calculation | Super Sumas |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 18 months** |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 47 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iker Vazquez](https://appshunter.io/developer/1032978250) | [Inoma](https://appshunter.io/developer/1209163763) |

## What reviewers say

### Even or odd Mental calculation

[App page](https://appshunter.io/ios/app/even-or-odd-mental-calculation/id1032978251)

Test your mental math skills by quickly determining if the result of an on-screen operation is even or odd. Earn more points for faster answers and challenge friends to see who has the quickest mind. The difficulty increases as you progress.

**Highlights:** Timed mental calculation challenges, Score tracking for personal bests, Speed-based scoring system, Increasing difficulty levels, Multiplayer comparison

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version upgrade | $0.99 | one-time |


### Super Sumas

[App page](https://appshunter.io/ios/app/super-sumas/id1209654713)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Even or odd Mental calculation free?

Even or odd Mental calculation is free to download, with in-app purchases available.

### Is Super Sumas free?

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

### Do Even or odd Mental calculation or Super Sumas have ads?

Even or odd Mental calculation shows ads; Super Sumas does not.

### Which is updated more often, Even or odd Mental calculation or Super Sumas?

Even or odd Mental calculation ships an update every 23 months, and Super Sumas every 18 months. Most recently, Even or odd Mental calculation was updated on October 3, 2026 and Super Sumas on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*