# Understanding Math vs NibbyBot

The clearest difference is price: NibbyBot at Free against Understanding Math's $3.99. NibbyBot also leads on update cadence (every 6 days vs every 11 months). Understanding Math's advantage is in-app purchases (none vs 3) and iOS requirement (8.0 vs 17.2). On ads and device support there is nothing between them.

NibbyBot is free to download; Understanding Math costs $3.99 up front. NibbyBot sells 3 in-app purchases, starting at $3.99 per month. Understanding Math asks for nothing beyond the download.

Understanding Math ships an update every 11 months, NibbyBot every 6 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Understanding Math | NibbyBot |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 days** |
| Monetization | Paid | — |
| Size | 37 MB | 21 MB |
| Requires iOS | **8.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [appp media UG](https://appshunter.io/developer/739118031) | [音 卢](https://appshunter.io/developer/1895433682) |

## What reviewers say

### Understanding Math

[App page](https://appshunter.io/ios/app/understanding-math/id970643203)

This app offers interactive games and exercises to help children understand and practice addition and subtraction up to 100. It features multiple user profiles, progress tracking, and a competitive duel mode for engaging learning.

**Highlights:** Unlimited user profiles, Track child's achievements, Addition and subtraction up to 100, Four different game settings, Interactive learning methods, Duel mode for competition

**Features:** macOS Compatibility

**In-app purchases:** none


### NibbyBot

[App page](https://appshunter.io/ios/app/nibbybot-code-and-draw-for-kids/id6791807445)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NibbyBot Pro Monthly | $3.99 | per month |
| NibbyBot Pro Yearly | $19.99 | per year |
| NibbyBot Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Understanding Math free?

Understanding Math costs $3.99, with no in-app purchases.

### Is NibbyBot free?

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

### Do Understanding Math or NibbyBot have ads?

Neither Understanding Math nor NibbyBot shows ads.

### Which is updated more often, Understanding Math or NibbyBot?

Understanding Math ships an update every 11 months, and NibbyBot every 6 days. Most recently, Understanding Math was updated on October 10, 2026 and NibbyBot on October 6, 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.*