# Sadlier Reader vs Sphero Edu Jr

Sadlier Reader and Sphero Edu Jr both sit at 3.7 stars, but that hides the real split: 44% of Sphero Edu Jr's written reviews are positive against 0% of Sadlier Reader's. Sphero Edu Jr also leads on ratings volume (15 vs 3). Sadlier Reader's advantage is iOS requirement (13.4 vs 15.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.7 for Sadlier Reader against 3.6 for Sphero Edu Jr. That said, the two scores are not equally well evidenced: Sphero Edu Jr has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 0% of Sadlier Reader's written reviews are positive against 44% of Sphero Edu Jr's.

Sadlier Reader ships an update every 25 months, Sphero Edu Jr every 17 months. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Sadlier Reader | Sphero Edu Jr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/sadlier-reader/id1538088472/reviews)** | [3.6 (15 ratings)](https://appshunter.io/ios/app/sphero-edu-jr/id1545146776/reviews) |
| Number of ratings | 3 | **15** |
| Positive reviews | 0.0% of reviews | **44.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 17 months** |
| Monetization | Free | Free |
| Size | 84 MB | 128 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [William H Sadlier Inc](https://appshunter.io/developer/577098359) | [Sphero, Inc.](https://appshunter.io/developer/468699622) |

## What reviewers say

### Sadlier Reader

[App page](https://appshunter.io/ios/app/sadlier-reader/id1538088472)

Access your assigned eBooks offline with this educational reader. Bookmark, annotate, and navigate your digital textbooks seamlessly. Requires an access code from your institution.

**Highlights:** Offline eBook access, Bookmark pages, Annotate content, Seamless navigation, Linked to Sadlier Connect

**Features:** macOS Compatibility

**In-app purchases:** none


### Sphero Edu Jr

[App page](https://appshunter.io/ios/app/sphero-edu-jr/id1545146776)

This app allows users to connect to a robot and customize its actions using visual programming blocks. Create mazes, play games, and compose music while learning fundamental coding logic.

**Highlights:** Block programming interface, Customize lights, sounds, and movements, Create mazes and games, Learn basic programming logic, Classic and new drive modes

**In-app purchases:** none


## Frequently asked questions

### Is Sadlier Reader free?

Sadlier Reader is free to download, with no in-app purchases.

### Is Sphero Edu Jr free?

Sphero Edu Jr is free to download, with no in-app purchases.

### Which has better reviews, Sadlier Reader or Sphero Edu Jr?

Sadlier Reader is rated higher. Sadlier Reader averages 3.7 out of 5 from 3 ratings, while Sphero Edu Jr averages 3.6 from 15 ratings.

### Do Sadlier Reader or Sphero Edu Jr have ads?

Neither Sadlier Reader nor Sphero Edu Jr shows ads.

### Which is updated more often, Sadlier Reader or Sphero Edu Jr?

Sadlier Reader ships an update every 25 months, and Sphero Edu Jr every 17 months. Most recently, Sadlier Reader was updated on October 29, 2026 and Sphero Edu Jr on October 21, 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.*