# ABA Matrix vs Opening Bell

The clearest difference is review sentiment: Opening Bell at 100% against ABA Matrix's 0%. Opening Bell also leads on rating (5.0 vs 3.7) and iOS requirement (16.4 vs 18.0). ABA Matrix's advantage is in-app purchases (none vs 2) and ratings volume (12 vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Opening Bell sells 2 in-app purchases, starting at $2.99 per month. ABA Matrix asks for nothing beyond the download.

Opening Bell holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 12 and 4 respectively. Written reviews point the same way: 0% of ABA Matrix's written reviews are positive against 100% of Opening Bell's.

Both ship on a similar rhythm, roughly every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | ABA Matrix | Opening Bell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (12 ratings)](https://appshunter.io/ios/app/aba-matrix/id1545811903/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/opening-bell-habit-tracker/id6811488099/reviews)** |
| Number of ratings | **12** | 4 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | **Free** | Freemium |
| Size | 38 MB | 64 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Hex Matrix](https://appshunter.io/developer/1545811905) | [Frederick Fermin](https://appshunter.io/developer/6811488101) |

## What reviewers say

### ABA Matrix

[App page](https://appshunter.io/ios/app/aba-matrix/id1545811903)

This app facilitates ABA therapy sessions in various settings, allowing real-time data collection, signature capture, and EVV. It offers offline functionality for uninterrupted service delivery and automatic syncing when online. Online access includes scheduling tools for managing appointments and calendar updates.

**Highlights:** Real-time data collection, Caregiver and provider signature capture, Electronic Visit Verification (EVV), Offline functionality, Automatic data syncing, Session scheduling and calendar management

**Features:** Vision Pro support

**In-app purchases:** none


### Opening Bell

[App page](https://appshunter.io/ios/app/opening-bell-habit-tracker/id6811488099)

This app gamifies habit tracking by treating habits like stocks. Log your activities to increase their 'price,' and review your weekly performance with market-style earnings reports. It offers unique comeback bonuses and trading halts for missed habits.

**Highlights:** Habits as stock tickers, Price increases with logging, Weekly earnings reports, Comeback bonuses, Trading halts for misses, Customizable guidance, Social exchanges

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Opening Bell Plus, Monthly | $2.99 | per month |
| Opening Bell Plus, Annual | $19.99 | per year |


## Frequently asked questions

### Is ABA Matrix free?

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

### Is Opening Bell free?

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

### Which has better reviews, ABA Matrix or Opening Bell?

Opening Bell is rated higher. ABA Matrix averages 3.7 out of 5 from 12 ratings, while Opening Bell averages 5.0 from 4 ratings.

### Do ABA Matrix or Opening Bell have ads?

Neither ABA Matrix nor Opening Bell shows ads.

### Which is updated more often, ABA Matrix or Opening Bell?

ABA Matrix ships an update every 4 days, and Opening Bell every 4 days. Most recently, ABA Matrix was updated on October 24, 2026 and Opening Bell 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.*