# SolvedBooks vs Proof Workshop

The clearest difference is in-app purchases: SolvedBooks at none against Proof Workshop's 1. Proof Workshop's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Proof Workshop sells 1 one-off in-app purchase. SolvedBooks asks for nothing beyond the download.

## The numbers

| Metric | SolvedBooks | Proof Workshop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Size | 36 MB | 20 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YAT MAN WONG](https://appshunter.io/developer/1895251417) | [INPHIL CHOI](https://appshunter.io/developer/6785766361) |

## What reviewers say

### SolvedBooks

[App page](https://appshunter.io/ios/app/solvedbooks/id6764142832)

**Features:** macOS Compatibility

**In-app purchases:** none


### Proof Workshop

[App page](https://appshunter.io/ios/app/proof-workshop-math-major/id6816328454)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


## Frequently asked questions

### Is SolvedBooks free?

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

### Is Proof Workshop free?

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

### Do SolvedBooks or Proof Workshop have ads?

SolvedBooks shows ads; Proof Workshop does not.

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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.*