# Proof Fidget vs SolvedBooks

The clearest difference is ads: Proof Fidget at none against SolvedBooks's shown. SolvedBooks's advantage is iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Proof Fidget | SolvedBooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/proof-fidget/id6759361942/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Monetization | Free | — |
| Size | 10 MB | 36 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Murphy](https://appshunter.io/developer/1263295014) | [YAT MAN WONG](https://appshunter.io/developer/1895251417) |

## What reviewers say

### Proof Fidget

[App page](https://appshunter.io/ios/app/proof-fidget/id6759361942)

Engage with math through interactive puzzles that build proofs step-by-step. Learn logic, algebra, number theory, and geometry by making correct moves and receiving immediate feedback. Develop intuition for abstract concepts in short, satisfying sessions.

**Highlights:** Puzzle-driven math learning, Step-by-step proof building, Logic and proof techniques, Algebraic transformations, Number theory practice, Geometry and visual aids

**Features:** macOS Compatibility

**In-app purchases:** none


### SolvedBooks

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Proof Fidget free?

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

### Is SolvedBooks free?

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

### Do Proof Fidget or SolvedBooks have ads?

SolvedBooks shows ads; Proof Fidget does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*