# Study Notes ABA vs Kestrel ABA

The clearest difference is update cadence: Kestrel ABA at every 6 days against Study Notes ABA's every 5 weeks. Study Notes ABA's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Study Notes ABA sells 3 in-app purchases, starting at $19.99 per month and Kestrel ABA sells 1 in-app purchase, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Study Notes ABA ships an update every 5 weeks, Kestrel ABA every 6 days. The most recent releases landed on October 15, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Study Notes ABA | Kestrel ABA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (3.6K ratings)](https://appshunter.io/ios/app/study-notes-aba/id1496799082/reviews)** | — |
| Number of ratings | **3.6K** | — |
| Positive reviews | 88.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | Subscription | — |
| Size | 1.3 GB | 64 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Bx Connections LLC](https://appshunter.io/developer/1496799081) | [Nathan Simmons](https://appshunter.io/developer/1850002641) |

## What reviewers say

### Study Notes ABA

[App page](https://appshunter.io/ios/app/study-notes-aba/id1496799082)

Prepare for the BCBA exam with a comprehensive study service. Access over 2500 practice questions, personalized study plans, live study groups, and motivational tools. Engage with a community of learners and utilize fun games and note-sharing features to master ABA concepts.

**Highlights:** 2500+ practice questions, Personalized study plan & countdown, Weekly live study group sessions, Leaderboard and motivational badges, Study tips and strategies, Note sharing and discussion board, Deep breathing tool and study games

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $19.99 | per month |
| Updated Premium Yearly | $119.99 | per year |
| Lifetime Access | $199.99 | one-time |

**What reviewers like**

- 🚀 Amazing app
- 👍 Helpful study tool
- 👍 Fun and convenient
- 👍 Reinforcing and motivating
- 👍 Comprehensive features

**What reviewers complain about**

- 🐛 Bugs and crashes
- 🐛 Errors in questions
- 🐛 Glitches and freezing
- 💰 Expensive for some users

**Reported bugs**

- Login screen freezes
- App crashing on certain sections
- Inconsistent marking of correct answers

**Requested features**

- Dark mode option
- More explanations for answers
- Improved proofreading of content
- Better integration of live study groups


### 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 Study Notes ABA free?

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

### Is Kestrel ABA free?

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

### Do Study Notes ABA or Kestrel ABA have ads?

Neither Study Notes ABA nor Kestrel ABA shows ads.

### Which is updated more often, Study Notes ABA or Kestrel ABA?

Study Notes ABA ships an update every 5 weeks, and Kestrel ABA every 6 days. Most recently, Study Notes ABA was updated on October 15, 2026 and Kestrel ABA on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*