# Kid Calculator vs Numberblocks World

The clearest difference is price: Numberblocks World at Free against Kid Calculator's $0.99. Numberblocks World also leads on rating (4.1 vs 3.5) and update cadence (every 3 weeks vs every 13 months). Kid Calculator's advantage is review sentiment (86% vs 44%) and in-app purchases (none vs 2). On ads and device support there is nothing between them.

Numberblocks World is free to download; Kid Calculator costs $0.99 up front. Numberblocks World sells 2 in-app purchases, starting at $7.99 per month. Kid Calculator asks for nothing beyond the download.

Numberblocks World holds the better App Store score, 4.1 against 3.5. That said, the two scores are not equally well evidenced: Numberblocks World has 336 ratings behind it against 18, so its average is the more settled of the two. Written reviews complicate that: 86% of Kid Calculator's written reviews are positive against 44% of Numberblocks World's, so the app with the better star average is not the one people write more warmly about.

Kid Calculator ships an update every 13 months, Numberblocks World every 3 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Kid Calculator | Numberblocks World |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.5 (18 ratings)](https://appshunter.io/ios/app/kid-calculator/id1107859664/reviews) | **[4.1 (336 ratings)](https://appshunter.io/ios/app/numberblocks-world/id1520827387/reviews)** |
| Number of ratings | 18 | **336** |
| Positive reviews | **85.7% of reviews** | 43.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 37 MB | 640 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hendri Soerianto](https://appshunter.io/developer/1107831294) | [Blue-Zoo](https://appshunter.io/developer/938119031) |

## What reviewers say

### Kid Calculator

[App page](https://appshunter.io/ios/app/kid-calculator/id1107859664)

Engage children in math with a fun, interactive talking calculator. Explore numbers, aliens, and rockets with hidden surprises. Designed for kids by a 9-year-old.

**Highlights:** Interactive math learning, Talking calculator, Fun number exploration, Hidden surprises, Kid-designed interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Numberblocks World

[App page](https://appshunter.io/ios/app/numberblocks-world/id1520827387)

This app offers an animated adventure to help children master numbers through engaging videos and games. It provides a fun and exciting way to build confidence and enjoyment in mathematics, aligned with early years curricula.

**Highlights:** 100+ math-themed episodes, Numeracy games and quizzes, Progressive learning levels, Subitising and counting games, Ad-free and COPPA/GDPR-K compliant

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| Yearly Subscription | $29.99 | per year |

**What reviewers like**

- 🎨 Lovely game
- 🎨 Educative
- 🎨 Awesome
- 🎨 Fantastic math program
- 🎨 Good app

**What reviewers complain about**

- 🐛 Constant freezing and crashing
- 🐛 Glitchy
- 🔒 Subscription required to access full content
- 🔒 Paid app with subscription model
- 🐛 Videos not working

**Reported bugs**

- Freezing and crashing
- Videos not loading
- Glitches in games and activities
- Subscription not working properly
- Incorrect answers in games

**Requested features**

- Add new Numberblocks characters (42, 48, 54, 56, 63, 72)
- Offline mode
- Ability to reset progress
- Subtitles/captions for videos
- More games and activities


## Frequently asked questions

### Is Kid Calculator free?

Kid Calculator costs $0.99, with no in-app purchases.

### Is Numberblocks World free?

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

### Which has better reviews, Kid Calculator or Numberblocks World?

Numberblocks World is rated higher. Kid Calculator averages 3.5 out of 5 from 18 ratings, while Numberblocks World averages 4.1 from 336 ratings.

### Do Kid Calculator or Numberblocks World have ads?

Neither Kid Calculator nor Numberblocks World shows ads.

### Which is updated more often, Kid Calculator or Numberblocks World?

Kid Calculator ships an update every 13 months, and Numberblocks World every 3 weeks. Most recently, Kid Calculator was updated on November 2, 2026 and Numberblocks World on November 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.*