# The Sum vs Tree Drop Apples

The clearest difference is ads: Tree Drop Apples at none against The Sum's shown. The Sum's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (13.0 vs 15.0). 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.

The Sum ships an update every 3 weeks, Tree Drop Apples every 6 months. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | The Sum | Tree Drop Apples |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Size | 144 MB | 8 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LIM SING CHYUAN](https://appshunter.io/developer/1825404821) | [建川 陈](https://appshunter.io/developer/1885896993) |

## What reviewers say

### The Sum

[App page](https://appshunter.io/ios/app/the-sum-math-and-puzzle/id6757253249)

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

**In-app purchases:** none


### Tree Drop Apples

[App page](https://appshunter.io/ios/app/tree-drop-apples/id6761375430)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Sum free?

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

### Is Tree Drop Apples free?

Tree Drop Apples is free to download, with no in-app purchases.

### Do The Sum or Tree Drop Apples have ads?

The Sum shows ads; Tree Drop Apples does not.

### Which is updated more often, The Sum or Tree Drop Apples?

The Sum ships an update every 3 weeks, and Tree Drop Apples every 6 months. Most recently, The Sum was updated on September 18, 2026 and Tree Drop Apples on September 24, 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.*