# Up Left Out vs Sum Loop

The clearest difference is price: Sum Loop at Free against Up Left Out's $2.99. Up Left Out's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, device support and iOS requirement there is nothing between them.

Sum Loop is free to download; Up Left Out costs $2.99 up front. Sum Loop sells 1 one-off in-app purchase. Up Left Out asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Up Left Out against 5.0 for Sum Loop. That said, the two scores are not equally well evidenced: Up Left Out has 1.2K ratings behind it against 1, so its average is the more settled of the two.

Up Left Out ships an update weekly, Sum Loop every 4 months. The most recent releases landed on October 29, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Up Left Out | Sum Loop |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.9 (1.2K ratings)](https://appshunter.io/ios/app/up-left-out/id1339172788/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-loop/id6447087917/reviews)** |
| Number of ratings | **1.2K** | 1 |
| Positive reviews | 87.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 138 MB | 9 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maciej Targoni](https://appshunter.io/developer/495165602) | [Goro Sato](https://appshunter.io/developer/412448991) |

## What reviewers say

### Up Left Out

[App page](https://appshunter.io/ios/app/up-left-out/id1339172788)

Engage in a serene, minimalist puzzle experience focused on unlocking all board pieces. Enjoy ad-free, timed-free gameplay with a calming, ambient soundtrack. Perfect for unwinding and focused play.

**Highlights:** Unlock all puzzle pieces, Minimalistic design, Relaxing gameplay, No ads or time limits, Meditative ambient soundtrack, Playable offline

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Up Left Out free?

Up Left Out costs $2.99, with no in-app purchases.

### Is Sum Loop free?

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

### Which has better reviews, Up Left Out or Sum Loop?

Sum Loop is rated higher. Up Left Out averages 4.9 out of 5 from 1.2K ratings, while Sum Loop averages 5.0 from 1 ratings.

### Do Up Left Out or Sum Loop have ads?

Sum Loop shows ads; Up Left Out does not.

### Which is updated more often, Up Left Out or Sum Loop?

Up Left Out ships an update weekly, and Sum Loop every 4 months. Most recently, Up Left Out was updated on October 29, 2026 and Sum Loop on October 19, 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.*