# Math Challenge vs Summation

The clearest difference is in-app purchases: Math Challenge at none against Summation's 2. Summation's advantage is update cadence (every 3 weeks vs every 58 months) and iOS requirement (9.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Summation sells 2 one-off in-app purchases. Math Challenge asks for nothing beyond the download.

Math Challenge ships an update every 58 months, Summation every 3 weeks. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Math Challenge | Summation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (58 ratings)](https://appshunter.io/ios/app/summation/id1219879009/reviews)** |
| Number of ratings | — | **58** |
| Positive reviews | — | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 110 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nazir Dogan](https://appshunter.io/developer/1048892607) | [Lemon Jam Technology Co., Ltd.](https://appshunter.io/developer/884737211) |

## What reviewers say

### Math Challenge

[App page](https://appshunter.io/ios/app/math-challenge-math-game/id1091644334)

**Features:** macOS Compatibility

**In-app purchases:** none


### Summation

[App page](https://appshunter.io/ios/app/summation/id1219879009)

Engage your brain with a minimalistic math puzzle game. Rearrange numbers to solve increasingly challenging levels. Explore new themes and enjoy endless gameplay.

**Highlights:** Minimalistic math puzzle gameplay, Rearrange numbers to solve puzzles, Endless levels for infinite play, Unlockable game themes, Brain workout challenges

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Hints | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🧠 Engaging puzzle mechanics with unique crossword-style addition gameplay
- 😌 Relaxing and calming experience without timers or move counters
- 🎨 Beautiful minimalist design with clean aesthetic
- 🎵 Pleasant soundtrack and sound design
- 📈 Good difficulty progression that challenges without frustrating

**What reviewers complain about**

- 📺 Excessive and intrusive full-screen video advertisements
- 💰 Ads persist even after paying for ad-free version
- 🔄 Ads interrupt gameplay and timer continues during Challenge Mode
- 🛑 Frequent app crashes and freezes, often related to ads
- 🔗 App Store opens unexpectedly multiple times during gameplay

**Reported bugs**

- Hint button freezes game and requires reinstall to fix
- Game crashes at specific levels (e.g., level 102)
- App crashes immediately upon opening with blue dot indicator
- Full-screen ads cannot be closed and trap users
- Game gets stuck in landscape mode after full-page ad

**Requested features**

- Dark mode for nighttime playing
- Multiplication puzzle variant
- Increased difficulty progression beyond level 100
- More varied puzzle structures and mechanics
- Ability to purchase larger quantities of hints at once


## Frequently asked questions

### Is Math Challenge free?

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

### Is Summation free?

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

### Do Math Challenge or Summation have ads?

Neither Math Challenge nor Summation shows ads.

### Which is updated more often, Math Challenge or Summation?

Math Challenge ships an update every 58 months, and Summation every 3 weeks. Most recently, Math Challenge was updated on September 27, 2026 and Summation on September 28, 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.*