# Basic Math vs Even or odd Mental calculation

The clearest difference is ads: Basic Math at none against Even or odd Mental calculation's shown. Basic Math also leads on update cadence (monthly vs every 23 months) and iOS requirement (12.0 vs 15.0). Even or odd Mental calculation's advantage is review sentiment (100% vs 85%). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Basic Math sells 1 one-off in-app purchase and Even or odd Mental calculation sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Basic Math ships an update monthly, Even or odd Mental calculation every 23 months. The most recent releases landed on November 7, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Basic Math | Even or odd Mental calculation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (348 ratings)](https://appshunter.io/ios/app/basic-math-addittion-games/id892283434/reviews)** | — |
| Number of ratings | **348** | — |
| Positive reviews | 84.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 23 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 185 MB | 68 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Didactoons Games SL](https://appshunter.io/developer/1457185685) | [Iker Vazquez](https://appshunter.io/developer/1032978250) |

## What reviewers say

### Basic Math

[App page](https://appshunter.io/ios/app/basic-math-addittion-games/id892283434)

This engaging math game app helps children aged 4-16 improve their arithmetic and times table skills. It adapts to each child's age and learning level, offering a blend of fun and educational challenges designed by teachers.

**Highlights:** Adaptive learning levels, Arithmetic practice, Times table drills, Engaging game design, Teacher-designed curriculum

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Content | $2.99 | one-time |

**What reviewers like**

- 🤩 Highly educational for kids
- 👍 Fun and engaging gameplay
- 🚀 Keeps children's attention
- 💡 Teaches math effectively
- 💖 Creative and well-designed

**What reviewers complain about**

- 💰 Requires purchase
- 😞 Some users expected free
- 🐛 Game-breaking bugs reported
- 💸 In-app purchase issues
- ⚠️ Forced rating to continue

**Reported bugs**

- Cannot evolve/progress in game
- App crashes on splash screen
- In-app purchases not working

**Requested features**

- Resolve progression issues in specific levels
- Offer refunds for non-functional purchases


### 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 |


## Frequently asked questions

### Is Basic Math free?

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

### Is Even or odd Mental calculation free?

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

### Do Basic Math or Even or odd Mental calculation have ads?

Even or odd Mental calculation shows ads; Basic Math does not.

### Which is updated more often, Basic Math or Even or odd Mental calculation?

Basic Math ships an update monthly, and Even or odd Mental calculation every 23 months. Most recently, Basic Math was updated on November 7, 2026 and Even or odd Mental calculation on November 1, 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.*