# Therapist Toolbox vs ABC Observe

The clearest difference is update cadence: ABC Observe at every 5 weeks against Therapist Toolbox's every 3 months. ABC Observe also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Therapist Toolbox sells 1 in-app purchase, starting at $4.99 per month and ABC Observe sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Therapist Toolbox ships an update every 3 months, ABC Observe every 5 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Therapist Toolbox | ABC Observe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (36 ratings)](https://appshunter.io/ios/app/abc-observe/id1545908680/reviews)** |
| Number of ratings | — | **36** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 72 MB | 52 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Applied Behavior Software, LLC](https://appshunter.io/developer/1441921148) | [Zhanna Shekhtmeyster](https://appshunter.io/developer/1281984899) |

## What reviewers say

### Therapist Toolbox

[App page](https://appshunter.io/ios/app/therapist-toolbox/id1477859130)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |


### ABC Observe

[App page](https://appshunter.io/ios/app/abc-observe/id1545908680)

This tool simplifies behavior observation and data collection for understanding why behaviors occur. It helps in functional behavior assessments, progress monitoring, and behavior intervention plan development. Analyze frequency, duration, and ABC data, then export results in various chart formats.

**Highlights:** Simultaneous frequency, duration, and ABC data collection, Export data as CSV, charts, and ABC graphs, Save and share observation templates, Functional Behavior Assessment (FBA) support, Intervention progress monitoring, Behavior Intervention Plan (BIP) development

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $17.99 | per year |
| Forever Edition | $79.99 | one-time |


## Frequently asked questions

### Is Therapist Toolbox free?

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

### Is ABC Observe free?

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

### Do Therapist Toolbox or ABC Observe have ads?

Neither Therapist Toolbox nor ABC Observe shows ads.

### Which is updated more often, Therapist Toolbox or ABC Observe?

Therapist Toolbox ships an update every 3 months, and ABC Observe every 5 weeks. Most recently, Therapist Toolbox was updated on October 25, 2026 and ABC Observe 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.*