# Shell Lake SD vs Lesson Genie

The clearest difference is in-app purchases: Shell Lake SD at none against Lesson Genie's 1. Shell Lake SD also leads on iOS requirement (15.0 vs 18.2). Lesson Genie's advantage is update cadence (every 3 days vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. Lesson Genie sells 1 in-app purchase, starting at $49.99 per month. Shell Lake SD asks for nothing beyond the download.

Shell Lake SD ships an update every 14 months, Lesson Genie every 3 days. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Shell Lake SD | Lesson Genie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/lesson-genie/id6760430539/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 days** |
| Monetization | — | Subscription |
| Size | 38 MB | 3 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CESA 6](https://appshunter.io/developer/1735831454) | [Scott Sears](https://appshunter.io/developer/1884430195) |

## What reviewers say

### Shell Lake SD

[App page](https://appshunter.io/ios/app/shell-lake-sd/id6747533526)

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

**In-app purchases:** none


### Lesson Genie

[App page](https://appshunter.io/ios/app/lesson-genie/id6760430539)

Access over 16,000 standards-based lessons and resources for grades 2-5. This tool simplifies lesson planning by automatically creating daily plans and organizing resources by subject or day. Differentiate instruction easily by accessing materials from different grade levels.

**Highlights:** 16,000+ standards-based lessons, Automatic daily lesson breakdown, Organized resource library, Differentiate instruction support, Quick planning for elementary teachers, Home screen widget for easy access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lesson Genie Monthly | $49.99 | per month |


## Frequently asked questions

### Is Shell Lake SD free?

Shell Lake SD is free to download, with no in-app purchases.

### Is Lesson Genie free?

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

### Do Shell Lake SD or Lesson Genie have ads?

Neither Shell Lake SD nor Lesson Genie shows ads.

### Which is updated more often, Shell Lake SD or Lesson Genie?

Shell Lake SD ships an update every 14 months, and Lesson Genie every 3 days. Most recently, Shell Lake SD was updated on September 9, 2026 and Lesson Genie on September 20, 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.*