# Speech Math vs Unbuilt Works

The clearest difference is price: Unbuilt Works at Free against Speech Math's $0.99. Unbuilt Works also leads on update cadence (every 5 days vs every 10 months). Speech Math's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Unbuilt Works is free to download; Speech Math costs $0.99 up front. Unbuilt Works sells 2 in-app purchases, starting at $4.99 per month. Speech Math asks for nothing beyond the download.

Speech Math ships an update every 10 months, Unbuilt Works every 5 days. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Speech Math | Unbuilt Works |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 5 days** |
| Size | 1 MB | 39 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kim juyoung](https://appshunter.io/developer/918406157) | [Brett Cassidy](https://appshunter.io/developer/1821458102) |

## What reviewers say

### Speech Math

[App page](https://appshunter.io/ios/app/speech-math/id6450673499)

**In-app purchases:** none


### Unbuilt Works

[App page](https://appshunter.io/ios/app/unbuilt-works-architecture/id6748416236)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Speech Math free?

Speech Math costs $0.99, with no in-app purchases.

### Is Unbuilt Works free?

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

### Do Speech Math or Unbuilt Works have ads?

Unbuilt Works shows ads; Speech Math does not.

### Which is updated more often, Speech Math or Unbuilt Works?

Speech Math ships an update every 10 months, and Unbuilt Works every 5 days. Most recently, Speech Math was updated on October 7, 2026 and Unbuilt Works on October 16, 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.*