# EvolvU Smart Teacher App vs LessonOS

The clearest difference is in-app purchases: EvolvU Smart Teacher App at none against LessonOS's 4. EvolvU Smart Teacher App also leads on iOS requirement (13.0 vs 17.0). LessonOS's advantage is update cadence (every 3 days vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. LessonOS sells 4 in-app purchases, starting at $4.99 per month. EvolvU Smart Teacher App asks for nothing beyond the download.

EvolvU Smart Teacher App ships an update every 9 months, LessonOS every 3 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EvolvU Smart Teacher App | LessonOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 days** |
| Size | 31 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aceventura Services LLP](https://appshunter.io/developer/1782517673) | [Chumphon Jan Toolseram](https://appshunter.io/developer/1891557073) |

## What reviewers say

### EvolvU Smart Teacher App

[App page](https://appshunter.io/ios/app/evolvu-smart-teacher-app/id6745809660)

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

**In-app purchases:** none


### LessonOS

[App page](https://appshunter.io/ios/app/lessonos-class-attendance/id6761799063)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LessonOS Pro Monthly | $4.99 | per month |
| LessonOS Pro Yearly | $39.99 | per year |
| Business Unlock | $29.99 | one-time |
| Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is EvolvU Smart Teacher App free?

EvolvU Smart Teacher App is free to download, with no in-app purchases.

### Is LessonOS free?

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

### Do EvolvU Smart Teacher App or LessonOS have ads?

Neither EvolvU Smart Teacher App nor LessonOS shows ads.

### Which is updated more often, EvolvU Smart Teacher App or LessonOS?

EvolvU Smart Teacher App ships an update every 9 months, and LessonOS every 3 days. Most recently, EvolvU Smart Teacher App was updated on October 24, 2026 and LessonOS on October 31, 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.*