# Unicorn Math III vs Common Core Math K

The clearest difference is in-app purchases: Unicorn Math III at none against Common Core Math K's 18. Unicorn Math III also leads on device support (3 vs 1) and iOS requirement (9.0 vs 13.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Common Core Math K sells 18 in-app purchases, starting at $0.99 per month. Unicorn Math III asks for nothing beyond the download.

Unicorn Math III ships an update every 5 weeks, Common Core Math K every 2 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Unicorn Math III | Common Core Math K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/unicorn-math-iii/id721874655/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 31 MB | 56 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steven Fransen](https://appshunter.io/developer/721874658) | [VEENETRONICS INC](https://appshunter.io/developer/1454029044) |

## What reviewers say

### Unicorn Math III

[App page](https://appshunter.io/ios/app/unicorn-math-iii/id721874655)

This app offers a fun and engaging way for children to learn fundamental math skills. It covers a wide range of operations, including addition, subtraction, multiplication, and division, with adjustable difficulty levels. The app aims to teach logical problem-solving and quick calculation methods.

**Highlights:** Addition, Subtraction, Multiplication, Division, Multiple Number Addition, Money Math, Negative Numbers, PEMDAS, Adjustable Difficulty, Clock and Fractions

**Features:** macOS Compatibility

**In-app purchases:** none


### Common Core Math K

[App page](https://appshunter.io/ios/app/common-core-math-k-6/id1454029045)

**Features:** macOS Compatibility

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Student per month | $0.99 | per month |
| Teacher (5 students) monthly | $3.49 | per month |
| Teacher (10 students) monthly | $6.90 | per month |
| School (20 students) monthly | $9.79 | per month |
| 1 Student per year | $9.99 | per year |
| Teacher (15 students) monthly | $10.49 | per month |
| Teacher (20 students) monthly | $13.90 | per month |
| Teacher (25 students) monthly | $17.49 | per month |
| School (40 students) monthly | $19.49 | per month |
| School (50 students) monthly | $24.49 | per month |
| Teacher (5 students) yearly | $35.49 | per year |
| School (20 students) yearly | $69.90 | per year |
| School (30 students) yearly | $104.99 | per year |
| School (40 students) yearly | $139.99 | per year |
| Teacher (20 students) yearly | $141.99 | per year |
| School (50 students) yearly | $173.99 | per year |
| Teacher (25 students) yearly | $176.99 | per year |
| Teacher (30 students) yearly | $214.99 | per year |


## Frequently asked questions

### Is Unicorn Math III free?

Unicorn Math III is free to download, with no in-app purchases.

### Is Common Core Math K free?

Common Core Math K is free to download, with in-app purchases available.

### Do Unicorn Math III or Common Core Math K have ads?

Neither Unicorn Math III nor Common Core Math K shows ads.

### Which is updated more often, Unicorn Math III or Common Core Math K?

Unicorn Math III ships an update every 5 weeks, and Common Core Math K every 2 months. Most recently, Unicorn Math III was updated on October 23, 2026 and Common Core Math K on October 26, 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.*