# Powers & Roots vs Permutation

The clearest difference is in-app purchases: Permutation at none against Powers & Roots's 8. Permutation also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Powers & Roots sells 8 one-off in-app purchases. Permutation asks for nothing beyond the download.

## The numbers

| Metric | Powers & Roots | Permutation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/powers-and-roots-advanced/id1628825849/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 180 MB | 50 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Oka Mossia grace emmanuella](https://appshunter.io/developer/1882857903) |

## What reviewers say

### Powers & Roots

[App page](https://appshunter.io/ios/app/powers-and-roots-advanced/id1628825849)

Instantly solve math problems involving powers and roots, with complete step-by-step solutions. Prepare for exams and manage your calculations with helpful extras like learning videos and rule overviews. Everything is free to use, with optional purchases for high-volume users.

**Highlights:** Instant step-by-step math solutions, Powers and roots calculations, Add, multiply, and use parentheses, Manage and share solutions, Overview of calculation rules, Curated learning videos, Feedback on incorrect inputs

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


### Permutation

[App page](https://appshunter.io/ios/app/permutation/id6760999062)

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

**In-app purchases:** none


## Frequently asked questions

### Is Powers & Roots free?

Powers & Roots is free to download, with in-app purchases available.

### Is Permutation free?

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

### Do Powers & Roots or Permutation have ads?

Neither Powers & Roots nor Permutation shows ads.

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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.*