# Study Notes ABA vs OkWhen

The clearest difference is in-app purchases: OkWhen at none against Study Notes ABA's 3. OkWhen also leads on update cadence (fortnightly vs every 5 weeks). Study Notes ABA's advantage is ratings volume (3.6K vs 1) and review sentiment (89% vs 67%). On price, rating, ads and device support there is nothing between them.

Both are free to download. Study Notes ABA sells 3 in-app purchases, starting at $19.99 per month. OkWhen asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Study Notes ABA against 5.0 for OkWhen. That said, the two scores are not equally well evidenced: Study Notes ABA has 3.6K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 89% of Study Notes ABA's written reviews are positive against 67% of OkWhen's.

Study Notes ABA ships an update every 5 weeks, OkWhen fortnightly. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Study Notes ABA | OkWhen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (3.6K ratings)](https://appshunter.io/ios/app/study-notes-aba/id1496799082/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/okwhen/id6744124427/reviews)** |
| Number of ratings | **3.6K** | 1 |
| Positive reviews | **88.7% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Subscription | **Free** |
| Size | 1.3 GB | 251 MB |
| Requires iOS | 15.0 | **14.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Bx Connections LLC](https://appshunter.io/developer/1496799081) | [BehaviorLive](https://appshunter.io/developer/1556754842) |

## 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


### OkWhen

[App page](https://appshunter.io/ios/app/okwhen/id6744124427)

Enhance your live event experience, whether attending in person or virtually. Seamlessly check into physical events via QR code and engage with online peers through chat, polls, and Q&A. Access live video streams and manage all your continuing education units in one convenient location.

**Highlights:** Virtual and physical event participation, QR code event check-in, Live session chat and Q&A, Interactive polls, Live video streaming, CEU tracking and storage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Study Notes ABA free?

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

### Is OkWhen free?

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

### Which has better reviews, Study Notes ABA or OkWhen?

OkWhen is rated higher. Study Notes ABA averages 4.9 out of 5 from 3.6K ratings, while OkWhen averages 5.0 from 1 ratings.

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

Neither Study Notes ABA nor OkWhen shows ads.

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

Study Notes ABA ships an update every 5 weeks, and OkWhen fortnightly. Most recently, Study Notes ABA was updated on October 8, 2026 and OkWhen on October 1, 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.*