# Lesson Timer vs permutation group

The clearest difference is iOS requirement: Lesson Timer at 7.1 against permutation group's 16.6. On price, ads, 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 | Lesson Timer | permutation group |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (7 ratings)](https://appshunter.io/ios/app/lesson-timer/id913208024/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Free | — |
| Size | 2 MB | 6 MB |
| Requires iOS | **7.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brian Broom](https://appshunter.io/developer/913208027) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Lesson Timer

[App page](https://appshunter.io/ios/app/lesson-timer/id913208024)

Manage your presentation or lecture with a visual timer that breaks down your schedule into sections. See remaining time for each segment and stay on track with upcoming topics. This tool helps keep your audience engaged and your content flowing smoothly.

**Highlights:** Multiple section setup, Time remaining display per section, Next section reminder, Overall schedule progress, Visual time tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### permutation group

[App page](https://appshunter.io/ios/app/permutation-group/id6757737753)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lesson Timer free?

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

### Is permutation group free?

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

### Do Lesson Timer or permutation group have ads?

Neither Lesson Timer nor permutation group 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.*