# Count Up vs Sum

The clearest difference is in-app purchases: Count Up at none against Sum's 1. Count Up also leads on ads (none vs shown). Sum's advantage is update cadence (every 3 days vs every 10 days). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Sum sells 1 in-app purchase, starting at $1.99 per month. Count Up asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Count Up against 5.0 for Sum. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Count Up ships an update every 10 days, Sum every 3 days. The most recent releases landed on August 13, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Count Up | Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/count-up-math-game/id1431894510/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sum-math-puzzle-brain-game/id6450458099/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 20 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mento Apps Ltd](https://appshunter.io/developer/1428570991) | [Rajat Vaghani](https://appshunter.io/developer/1668117901) |

## What reviewers say

### Count Up

[App page](https://appshunter.io/ios/app/count-up-math-game/id1431894510)

This math puzzle game challenges your mind by combining number tiles and operators to reach target totals. It helps improve mental arithmetic and problem-solving skills with no time pressure. Play offline, unlock achievements, and enjoy various grid sizes.

**Highlights:** Boost mental arithmetic, Master addition, subtraction, multiplication, division, Play offline, Unlock achievements, Multiple grid sizes, Progress tracking

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

**In-app purchases:** none


### Sum

[App page](https://appshunter.io/ios/app/sum-math-puzzle-brain-game/id6450458099)

This game challenges you to find sums from a grid of numbers before time runs out. It offers multiple modes, from fast-paced challenges to relaxed untimed play, and helps improve mental agility and logic skills.

**Highlights:** Timed addition challenges, Four distinct game modes, Offline play supported, Compete with friends, Detailed progress statistics, Sleek user interface

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |


## Frequently asked questions

### Is Count Up free?

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

### Is Sum free?

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

### Which has better reviews, Count Up or Sum?

Count Up and Sum are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Count Up or Sum have ads?

Sum shows ads; Count Up does not.

### Which is updated more often, Count Up or Sum?

Count Up ships an update every 10 days, and Sum every 3 days. Most recently, Count Up was updated on August 13, 2026 and Sum on August 31, 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.*