# Bomb factory 2 vs Sum Loop

The clearest difference is rating: Sum Loop at 5.0 against Bomb factory 2's 3.4. Bomb factory 2's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Sum Loop sells 1 one-off in-app purchase. Bomb factory 2 asks for nothing beyond the download.

Sum Loop holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Bomb factory 2 has 217 ratings behind it against 1, so its average is the more settled of the two.

Bomb factory 2 ships an update every 6 weeks, Sum Loop every 4 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Bomb factory 2 | Sum Loop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (217 ratings)](https://appshunter.io/ios/app/bomb-factory-2/id409889214/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-loop/id6447087917/reviews)** |
| Number of ratings | **217** | 1 |
| Positive reviews | 18.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 20 MB | 9 MB |
| Requires iOS | **3.2** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [M2H B.V.](https://appshunter.io/developer/326101049) | [Goro Sato](https://appshunter.io/developer/412448991) |

## What reviewers say

### Bomb factory 2

[App page](https://appshunter.io/ios/app/bomb-factory-2/id409889214)

Sort colorful bombs by color using drag-and-drop controls before they explode. Strategically let white bombs detonate for bonuses. Compete for high scores across six unique levels and track your global ranking.

**Highlights:** Fast-paced action, Drag & Drop controls, 6 unique levels, Level and overall rankings, Progress bar for rankings, Bonus for white bombs

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

**In-app purchases:** none

**What reviewers like**

- ⭐ Epic game concept
- 👍 Fun game concept
- 🎶 Great music

**What reviewers complain about**

- 🐛 Constant crashing
- 🐛 App won't load
- 🐛 Freezes on startup
- 🐛 Unplayable
- 🐌 Slow loading

**Reported bugs**

- Crashes on startup
- Crashes when loading
- Crashes after M2H screen
- Crashes when high score is turned on
- App closes unexpectedly

**Requested features**

- Update the app for newer iOS systems
- Update the app for 2026
- Improve loading times
- Fix crashes
- Make the game work


### 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 Bomb factory 2 free?

Bomb factory 2 is free to download, with no in-app purchases.

### Is Sum Loop free?

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

### Which has better reviews, Bomb factory 2 or Sum Loop?

Sum Loop is rated higher. Bomb factory 2 averages 3.4 out of 5 from 217 ratings, while Sum Loop averages 5.0 from 1 ratings.

### Do Bomb factory 2 or Sum Loop have ads?

Sum Loop shows ads; Bomb factory 2 does not.

### Which is updated more often, Bomb factory 2 or Sum Loop?

Bomb factory 2 ships an update every 6 weeks, and Sum Loop every 4 months. Most recently, Bomb factory 2 was updated on October 13, 2026 and Sum Loop on October 2, 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.*