# Perfect Sum vs Oonlu Games

The clearest difference is in-app purchases: Perfect Sum at none against Oonlu Games's 2. Perfect Sum also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Oonlu Games sells 2 one-off in-app purchases. Perfect Sum asks for nothing beyond the download.

Perfect Sum ships an update every 3 days, Oonlu Games every 2 days. The most recent releases landed on November 4, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Perfect Sum | Oonlu Games |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/perfect-sum/id6477300117/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 139 MB | 256 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Benjamin Richy](https://appshunter.io/developer/1636888789) | [Tri Utama](https://appshunter.io/developer/1823390058) |

## What reviewers say

### Perfect Sum

[App page](https://appshunter.io/ios/app/perfect-sum/id6477300117)

A captivating puzzle game where you strategically place shapes on a numbered board to reach a perfect sum. Unlock new buildings and enjoy stunning visuals and rewarding animations as you progress through increasingly challenging levels.

**Highlights:** Strategic shape placement, Numbered board puzzles, Unlockable buildings, Increasing difficulty levels, Rewarding animations, Stunning visuals

**Features:** macOS Compatibility

**In-app purchases:** none


### Oonlu Games

[App page](https://appshunter.io/ios/app/oonlu-games/id6814859290)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $6.99 | one-time |
| Remove Ads Bundle | $10.99 | one-time |


## Frequently asked questions

### Is Perfect Sum free?

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

### Is Oonlu Games free?

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

### Do Perfect Sum or Oonlu Games have ads?

Both Perfect Sum and Oonlu Games show ads.

### Which is updated more often, Perfect Sum or Oonlu Games?

Perfect Sum ships an update every 3 days, and Oonlu Games every 2 days. Most recently, Perfect Sum was updated on November 4, 2026 and Oonlu Games on November 10, 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.*