# Ello 2.0 vs Shell Lake SD

The clearest difference is update cadence: Ello 2.0 at daily against Shell Lake SD's every 14 months. 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.

Ello 2.0 ships an update daily, Shell Lake SD every 14 months. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Ello 2.0 | Shell Lake SD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/ello-20-learn-reading-and-math/id6739630070/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 14 months |
| Monetization | Free | — |
| Size | 176 MB | 38 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ello Technology, Inc.](https://appshunter.io/developer/1467293710) | [CESA 6](https://appshunter.io/developer/1735831454) |

## What reviewers say

### Ello 2.0

[App page](https://appshunter.io/ios/app/ello-20-learn-reading-and-math/id6739630070)

This educational app uses AI to personalize reading and math lessons for children aged 4-9. It listens to children read aloud, identifies mistakes, and adapts content in real-time. Features include daily quests, a large book library, and early math exercises.

**Highlights:** AI reading tutor listens and corrects in real-time, Adaptive learning adjusts to child's level, 1,200+ decodable books based on Science of Reading, Daily personalized reading and math quests, Early math skills development, Supports pre-readers and up to Grade 5

**In-app purchases:** none


### Shell Lake SD

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Ello 2.0 free?

Ello 2.0 is free to download, with no in-app purchases.

### Is Shell Lake SD free?

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

### Do Ello 2.0 or Shell Lake SD have ads?

Neither Ello 2.0 nor Shell Lake SD shows ads.

### Which is updated more often, Ello 2.0 or Shell Lake SD?

Ello 2.0 ships an update daily, and Shell Lake SD every 14 months. Most recently, Ello 2.0 was updated on September 20, 2026 and Shell Lake SD on September 9, 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.*