# ERSB Lite vs Exercise Buddy Professional

The clearest difference is rating: Exercise Buddy Professional at 5.0 against ERSB Lite's 4.0. Exercise Buddy Professional also leads on in-app purchases (none vs 5) and update cadence (weekly vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. ERSB Lite sells 5 one-off in-app purchases. Exercise Buddy Professional asks for nothing beyond the download.

Exercise Buddy Professional holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

ERSB Lite ships an update every 2 months, Exercise Buddy Professional weekly. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ERSB Lite | Exercise Buddy Professional |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/ersb-lite/id976322567/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/exercise-buddy-professional/id1091153205/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 253 MB | 94 MB |
| Requires iOS | **13.0** | 14.5 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Attainment Company](https://appshunter.io/developer/403989333) | [Exercise Connection Corporation](https://appshunter.io/developer/899963355) |

## What reviewers say

### ERSB Lite

[App page](https://appshunter.io/ios/app/ersb-lite/id976322567)

This app builds early reading skills for students progressing from foundational literacy. It uses systematic instruction and assessments to help individuals read independently, proving effective for those with intellectual disabilities and autism.

**Highlights:** Early literacy skill development, Systematic instruction, Ongoing assessments, Progress to 2nd-grade reading level, Effective for intellectual disabilities, Effective for autism

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Levels 12-16 | $29.99 | one-time |
| Levels 17-21 | $29.99 | one-time |
| Levels 22-26 | $29.99 | one-time |
| Levels 2-6 | $29.99 | one-time |
| Levels 7-11 | $29.99 | one-time |


### Exercise Buddy Professional

[App page](https://appshunter.io/ios/app/exercise-buddy-professional/id1091153205)

This app empowers individuals with autism and related disorders to engage in exercise, transforming potential frustration into confidence. It offers customizable visual and video aids, data tracking, and evidence-based strategies designed by experts for effective participation in various environments.

**Highlights:** Data collection per exercise routine, Customizable visuals and videos, Multiple teaching routines, Extensive exercise visuals and videos, Unlimited workout saving, Health history monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ERSB Lite free?

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

### Is Exercise Buddy Professional free?

Exercise Buddy Professional is free to download, with no in-app purchases.

### Which has better reviews, ERSB Lite or Exercise Buddy Professional?

Exercise Buddy Professional is rated higher. ERSB Lite averages 4.0 out of 5 from 3 ratings, while Exercise Buddy Professional averages 5.0 from 3 ratings.

### Do ERSB Lite or Exercise Buddy Professional have ads?

Neither ERSB Lite nor Exercise Buddy Professional shows ads.

### Which is updated more often, ERSB Lite or Exercise Buddy Professional?

ERSB Lite ships an update every 2 months, and Exercise Buddy Professional weekly. Most recently, ERSB Lite was updated on November 1, 2026 and Exercise Buddy Professional on October 24, 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.*