# Moving Blocks for Watch vs Sum Loop

The clearest difference is price: Sum Loop at Free against Moving Blocks for Watch's $1.99. Sum Loop also leads on rating (5.0 vs 2.0). Moving Blocks for Watch's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Sum Loop is free to download; Moving Blocks for Watch costs $1.99 up front. Sum Loop sells 1 one-off in-app purchase. Moving Blocks for Watch asks for nothing beyond the download.

Sum Loop holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Moving Blocks for Watch ships an update every 2 months, Sum Loop every 4 months. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Moving Blocks for Watch | Sum Loop |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/moving-blocks-for-watch/id1403538757/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-loop/id6447087917/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 9 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Orion Lukasz Gonerski](https://appshunter.io/developer/364982460) | [Goro Sato](https://appshunter.io/developer/412448991) |

## What reviewers say

### Moving Blocks for Watch

[App page](https://appshunter.io/ios/app/moving-blocks-for-watch/id1403538757)

A puzzle game for your watch where you rotate and move falling blocks. Compete with others worldwide on a global leaderboard.

**Highlights:** Block rotation with digital crown, Left/right movement with buttons, Global leaderboard integration, Playable on Apple Watch

**Features:** Apple Watch app, 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 Moving Blocks for Watch free?

Moving Blocks for Watch costs $1.99, with no in-app purchases.

### Is Sum Loop free?

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

### Which has better reviews, Moving Blocks for Watch or Sum Loop?

Sum Loop is rated higher. Moving Blocks for Watch averages 2.0 out of 5 from 3 ratings, while Sum Loop averages 5.0 from 1 ratings.

### Do Moving Blocks for Watch or Sum Loop have ads?

Sum Loop shows ads; Moving Blocks for Watch does not.

### Which is updated more often, Moving Blocks for Watch or Sum Loop?

Moving Blocks for Watch ships an update every 2 months, and Sum Loop every 4 months. Most recently, Moving Blocks for Watch was updated on September 18, 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.*