# Full Spectrum ABA vs Kestrel ABA

The clearest difference is in-app purchases: Full Spectrum ABA at none against Kestrel ABA's 1. Full Spectrum ABA also leads on device support (4 vs 1). Kestrel ABA's advantage is update cadence (every 6 days vs every 2 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Kestrel ABA sells 1 in-app purchase, starting at $14.99 per month. Full Spectrum ABA asks for nothing beyond the download.

Full Spectrum ABA ships an update every 2 months, Kestrel ABA every 6 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Full Spectrum ABA | Kestrel ABA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (62 ratings)](https://appshunter.io/ios/app/full-spectrum-aba/id1598376819/reviews)** | — |
| Number of ratings | **62** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 50 MB | 64 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Full Spectrum Behavior Analysis LLC](https://appshunter.io/developer/1598376821) | [Nathan Simmons](https://appshunter.io/developer/1850002641) |

## What reviewers say

### Full Spectrum ABA

[App page](https://appshunter.io/ios/app/full-spectrum-aba/id1598376819)

Access free Continuing Education Units for ABA providers, including journal clubs, leadership programs, podcasts, and training. The app also provides information on ABA therapy services for children and young adults with autism.

**Highlights:** Free CEUs for ABA providers, Journal clubs and podcasts, Leadership and entrepreneurship programs, PGP trainings and RBT mentorship, Information on ABA therapy services, Autistic advocacy updates

**In-app purchases:** none


### Kestrel ABA

[App page](https://appshunter.io/ios/app/kestrel-aba/id6793233786)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kestrel Pro | $14.99 | per month |


## Frequently asked questions

### Is Full Spectrum ABA free?

Full Spectrum ABA is free to download, with no in-app purchases.

### Is Kestrel ABA free?

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

### Do Full Spectrum ABA or Kestrel ABA have ads?

Neither Full Spectrum ABA nor Kestrel ABA shows ads.

### Which is updated more often, Full Spectrum ABA or Kestrel ABA?

Full Spectrum ABA ships an update every 2 months, and Kestrel ABA every 6 days. Most recently, Full Spectrum ABA was updated on October 22, 2026 and Kestrel ABA 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.*