# Third grade Math vs Build

The clearest difference is price: Build at Free against Third grade Math's $2.99. Build also leads on update cadence (fortnightly vs every 28 months). Third grade Math's advantage is iOS requirement (12.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Build is free to download; Third grade Math costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Third grade Math ships an update every 28 months, Build fortnightly. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Third grade Math | Build |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/build-a-math/id1521174530/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 17 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [Weiran Ye](https://appshunter.io/developer/481592104) |

## What reviewers say

### Third grade Math

[App page](https://appshunter.io/ios/app/third-grade-math-subtraction/id1271515324)

**Features:** macOS Compatibility

**In-app purchases:** none


### Build

[App page](https://appshunter.io/ios/app/build-a-math/id1521174530)

This app offers short, focused math drills for addition, subtraction, multiplication, and division. It provides instant feedback and tracks progress through engaging sessions designed for quick practice.

**Highlights:** Short, focused math practice sessions, Master addition, subtraction, multiplication, division, Instant feedback with haptics, color, and sound, Smart question rotation for confidence, Progress tracking and summaries, Works offline, no ads, no accounts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Third grade Math free?

Third grade Math costs $2.99, with no in-app purchases.

### Is Build free?

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

### Do Third grade Math or Build have ads?

Neither Third grade Math nor Build shows ads.

### Which is updated more often, Third grade Math or Build?

Third grade Math ships an update every 28 months, and Build fortnightly. Most recently, Third grade Math was updated on October 10, 2026 and Build on October 1, 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.*