# Sum Loop vs Perfect Sum

The clearest difference is in-app purchases: Perfect Sum at none against Sum Loop's 1. Perfect Sum also leads on update cadence (every 3 days vs every 4 months) and iOS requirement (12.0 vs 14.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Sum Loop sells 1 one-off in-app purchase. Perfect Sum asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sum Loop against 5.0 for Perfect Sum. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Sum Loop ships an update every 4 months, Perfect Sum every 3 days. The most recent releases landed on September 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sum Loop | Perfect Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sum-loop/id6447087917/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/perfect-sum/id6477300117/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 9 MB | 139 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Goro Sato](https://appshunter.io/developer/412448991) | [Benjamin Richy](https://appshunter.io/developer/1636888789) |

## What reviewers say

### Sum Loop

[App page](https://appshunter.io/ios/app/sum-loop/id6447087917)

A challenging puzzle game where players place blocks into overlapping loops to match displayed sums. Offers multiple solutions for each puzzle, providing replayability. Designed for quick, engaging gameplay.

**Highlights:** Match sums in overlapping loops, Place blocks to solve puzzles, Multiple solutions per puzzle, Challenging gameplay, Intuitive block placement

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 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


## Frequently asked questions

### Is Sum Loop free?

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

### Is Perfect Sum free?

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

### Which has better reviews, Sum Loop or Perfect Sum?

Sum Loop and Perfect Sum are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Sum Loop or Perfect Sum have ads?

Both Sum Loop and Perfect Sum show ads.

### Which is updated more often, Sum Loop or Perfect Sum?

Sum Loop ships an update every 4 months, and Perfect Sum every 3 days. Most recently, Sum Loop was updated on September 15, 2026 and Perfect Sum on September 24, 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.*