# NumBots vs ColumnAddSub

The clearest difference is iOS requirement: NumBots at 13.0 against ColumnAddSub's 16.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

NumBots ships an update every 5 weeks, ColumnAddSub monthly. The most recent releases landed on September 25, 2026 and May 22, 2026 respectively.

## The numbers

| Metric | NumBots | ColumnAddSub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (304 ratings)](https://appshunter.io/ios/app/numbots/id1448844836/reviews)** | — |
| Number of ratings | **304** | — |
| Positive reviews | 66.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 31 MB | 1 MB |
| Requires iOS | **13.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maths Circle Ltd](https://appshunter.io/developer/973811325) | [PETER JAMES SIDES](https://appshunter.io/developer/1619752154) |

## What reviewers say

### NumBots

[App page](https://appshunter.io/ios/app/numbots/id1448844836)

This platform helps children master mental addition and subtraction, moving them from counting to calculating. It focuses on building understanding, recall, and fluency in these core math skills. Designed for early learners, it offers an engaging way to achieve mathematical proficiency.

**Highlights:** Master mental addition, Master mental subtraction, Build understanding, Develop recall, Achieve fluency, Transition from counting to calculating

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great for learning math
- 🚀 Fun and engaging
- 💡 Helpful for improving math skills
- 💡 Customizable robot feature
- 👍 Useful for kids aged 4-7

**What reviewers complain about**

- 🐛 Glitches and bugs
- 🔍 Unclear progression system
- ⏱️ Strict time limits
- 🤔 Repetitive levels
- 🤔 Not challenging enough for older kids

**Reported bugs**

- Coins and stars not tracking correctly
- Login issues across devices
- Keyboard not showing up on tablets
- Levels randomly locked or missing
- App crashing and freezing

**Requested features**

- More advanced levels and content
- Ability to skip to appropriate level
- Less emphasis on speed, more on accuracy
- Family account support
- Improved login and persistence


### ColumnAddSub

[App page](https://appshunter.io/ios/app/columnaddsub/id6463636415)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NumBots free?

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

### Is ColumnAddSub free?

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

### Do NumBots or ColumnAddSub have ads?

Neither NumBots nor ColumnAddSub shows ads.

### Which is updated more often, NumBots or ColumnAddSub?

NumBots ships an update every 5 weeks, and ColumnAddSub monthly. Most recently, NumBots was updated on September 25, 2026 and ColumnAddSub on May 22, 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.*