# Blobi vs Lesson Book

The clearest difference is in-app purchases: Lesson Book at none against Blobi's 2. Lesson Book also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Blobi sells 2 in-app purchases, starting at $6.99 per month. Lesson Book asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Blobi | Lesson Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/blobi/id6738895568/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 58 MB | 29 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oneness L.L.C.](https://appshunter.io/developer/1752027638) | [woo jae won](https://appshunter.io/developer/1484191646) |

## What reviewers say

### Blobi

[App page](https://appshunter.io/ios/app/blobi/id6738895568)

This app helps educators plan lessons, map curricula, and build teaching portfolios. It offers AI-powered suggestions, visualization tools for curriculum balance, and secure sharing options. It supports offline work and integrates with popular educational platforms.

**Highlights:** AI lesson suggestions, Curriculum visualization, Portfolio building, Secure content sharing, Offline capability, LMS integration

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blobi Monthly | $6.99 | per month |
| Blobi Yearly | $29.99 | per year |


### Lesson Book

[App page](https://appshunter.io/ios/app/lesson-book-ai-report/id6792389047)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blobi free?

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

### Is Lesson Book free?

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

### Do Blobi or Lesson Book have ads?

Neither Blobi nor Lesson Book shows ads.

### Which is updated more often, Blobi or Lesson Book?

Blobi ships an update every 3 weeks, and Lesson Book every 3 weeks. Most recently, Blobi was updated on November 4, 2026 and Lesson Book on November 5, 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.*