# Catcher Blocks vs Sum

The clearest difference is ads: Sum at none against Catcher Blocks's shown. Sum also leads on monetization model (free vs ad-supported). Catcher Blocks's advantage is update cadence (every 2 days vs weekly) and iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Catcher Blocks ships an update every 2 days, Sum weekly. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Catcher Blocks | Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/catcher-blocks/id6476137745/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Ad-supported | **Free** |
| Size | 98 MB | 28 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [丰 连](https://appshunter.io/developer/827784161) | [Allen Kagle](https://appshunter.io/developer/1834971754) |

## What reviewers say

### Catcher Blocks

[App page](https://appshunter.io/ios/app/catcher-blocks/id6476137745)

A relaxing puzzle game where you place wooden blocks onto a grid to trap insects. It offers a Zen-like experience with no time limits and beautiful graphics. Enjoy offline play and stress-relieving mechanics.

**Highlights:** Drag and drop block placement, Fill grid to trap insects, Zen-like, relaxing gameplay, No time limit, Offline play, Exquisite graphics and sound

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

**In-app purchases:** none


### Sum

[App page](https://appshunter.io/ios/app/sum-squares/id6751417676)

A logic puzzle game where players fill in missing squares to match row and column totals. It offers various modes like Standard, Time Attack, and Grid Blitz, suitable for casual play or skill sharpening.

**Highlights:** Fill missing squares to match totals, Standard mode with adjustable difficulty, Time Attack mode against the clock, Grid Blitz mode for speed and accuracy, Sharpen quick addition skills, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Catcher Blocks free?

Catcher Blocks is free to download, with no in-app purchases.

### Is Sum free?

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

### Do Catcher Blocks or Sum have ads?

Catcher Blocks shows ads; Sum does not.

### Which is updated more often, Catcher Blocks or Sum?

Catcher Blocks ships an update every 2 days, and Sum weekly. Most recently, Catcher Blocks was updated on October 10, 2026 and Sum on October 4, 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.*