# Melon's Threelers vs Sum Loop

The clearest difference is price: Sum Loop at Free against Melon's Threelers's $0.99. Sum Loop also leads on update cadence (every 4 months vs every 9 months). Melon's Threelers's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Sum Loop is free to download; Melon's Threelers costs $0.99 up front. Melon's Threelers sells 1 one-off in-app purchase and Sum Loop sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Melon's Threelers ships an update every 9 months, Sum Loop every 4 months. The most recent releases landed on September 8, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Melon's Threelers | Sum Loop |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-loop/id6447087917/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 54 MB | 9 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tetsuyoshi Morikawa](https://appshunter.io/developer/430144969) | [Goro Sato](https://appshunter.io/developer/412448991) |

## What reviewers say

### Melon's Threelers

[App page](https://appshunter.io/ios/app/melons-threelers/id1563909606)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additions | $0.99 | one-time |


### 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 Melon's Threelers free?

Melon's Threelers costs $0.99, and also offers in-app purchases.

### Is Sum Loop free?

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

### Do Melon's Threelers or Sum Loop have ads?

Sum Loop shows ads; Melon's Threelers does not.

### Which is updated more often, Melon's Threelers or Sum Loop?

Melon's Threelers ships an update every 9 months, and Sum Loop every 4 months. Most recently, Melon's Threelers was updated on September 8, 2026 and Sum Loop on June 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.*