# LienClock vs StudyMint ABA

The clearest difference is in-app purchases: StudyMint ABA at none against LienClock's 2. StudyMint ABA also leads on device support (3 vs 1) and iOS requirement (15.5 vs 17.2). LienClock's advantage is update cadence (weekly vs every 4 months). On price and ads there is nothing between them.

Both are free to download. LienClock sells 2 in-app purchases, starting at $9.99 per year. StudyMint ABA asks for nothing beyond the download.

LienClock ships an update weekly, StudyMint ABA every 4 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | LienClock | StudyMint ABA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/studymint-aba-rbt-and-bcba-hub/id6777848690/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | — | Free |
| Size | 6 MB | 9 MB |
| Requires iOS | 17.2 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [慧慧 高](https://appshunter.io/developer/1887721875) | [Jada Walker](https://appshunter.io/developer/6777848692) |

## What reviewers say

### LienClock

[App page](https://appshunter.io/ios/app/lienclock/id6774528121)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $9.99 | per year |
| Pro Lifetime | $19.99 | one-time |


### StudyMint ABA

[App page](https://appshunter.io/ios/app/studymint-aba-rbt-and-bcba-hub/id6777848690)

Prepare for your Registered Behavior Technician (RBT) exam with flashcards and realistic practice tests. This app offers organized study tools, progress tracking, and key ABA concepts to build confidence before your test day.

**Highlights:** 200+ RBT Flashcards, RBT-Style Practice Exams, Progress Tracking, Organized Study Categories, Built by a BCBA

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LienClock free?

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

### Is StudyMint ABA free?

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

### Do LienClock or StudyMint ABA have ads?

Neither LienClock nor StudyMint ABA shows ads.

### Which is updated more often, LienClock or StudyMint ABA?

LienClock ships an update weekly, and StudyMint ABA every 4 months. Most recently, LienClock was updated on October 31, 2026 and StudyMint ABA on October 31, 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.*