# MyStyleCalc vs SessionTap ABA Data Collection

The clearest difference is in-app purchases: MyStyleCalc at none against SessionTap ABA Data Collection's 1. MyStyleCalc also leads on update cadence (every 2 weeks vs every 2 months). SessionTap ABA Data Collection's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SessionTap ABA Data Collection sells 1 one-off in-app purchase. MyStyleCalc asks for nothing beyond the download.

MyStyleCalc ships an update every 2 weeks, SessionTap ABA Data Collection every 2 months. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | MyStyleCalc | SessionTap ABA Data Collection |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 12 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Chi An Cheng](https://appshunter.io/developer/1888716660) | [9592 Solutions UG](https://appshunter.io/developer/1681380056) |

## What reviewers say

### MyStyleCalc

[App page](https://appshunter.io/ios/app/mystylecalc/id6761293589)

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

**In-app purchases:** none


### SessionTap ABA Data Collection

[App page](https://appshunter.io/ios/app/sessiontap-aba-data-collection/id6761578371)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $6.99 | one-time |


## Frequently asked questions

### Is MyStyleCalc free?

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

### Is SessionTap ABA Data Collection free?

SessionTap ABA Data Collection is free to download, with in-app purchases available.

### Do MyStyleCalc or SessionTap ABA Data Collection have ads?

MyStyleCalc shows ads; SessionTap ABA Data Collection does not.

### Which is updated more often, MyStyleCalc or SessionTap ABA Data Collection?

MyStyleCalc ships an update every 2 weeks, and SessionTap ABA Data Collection every 2 months. Most recently, MyStyleCalc was updated on October 31, 2026 and SessionTap ABA Data Collection on November 5, 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.*