# Marbles CBT vs CBT Diary

The clearest difference is in-app purchases: CBT Diary at none against Marbles CBT's 2. Marbles CBT's advantage is update cadence (every 2 months vs every 5 months) and iOS requirement (15.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Marbles CBT sells 2 in-app purchases, starting at $7.99 per month. CBT Diary asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Marbles CBT against 5.0 for CBT Diary. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Marbles CBT ships an update every 2 months, CBT Diary every 5 months. The most recent releases landed on June 4, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Marbles CBT | CBT Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/marbles-cbt/id1527560798/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cbt-diary/id6461776590/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Freemium | **Free** |
| Size | 35 MB | 2 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Omri Sadeh](https://appshunter.io/developer/1527560800) | [Victor Kravchenko](https://appshunter.io/developer/1702717048) |

## What reviewers say

### Marbles CBT

[App page](https://appshunter.io/ios/app/marbles-cbt/id1527560798)

This app helps users learn and practice Cognitive Behavioral Therapy techniques to manage habits, thinking patterns, and emotions. It offers tools for thought challenging, fear exposure, and various diaries for tracking mood, gratitude, and self-monitoring. Additional features include relaxation exercises and educational lessons on CBT.

**Highlights:** Thought challenging exercises, Fear exposure practice, Self-monitoring diary, Slow breathing relaxation, Muscle relaxation techniques, Mood and gratitude diaries, CBT learning lessons

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $7.99 | per month |
| English | $79.99 | per year |


### CBT Diary

[App page](https://appshunter.io/ios/app/cbt-diary/id6461776590)

This app helps you understand your mind using Cognitive Behavioral Therapy principles. It guides you to identify negative thought patterns, challenge unhelpful beliefs, and develop healthier perspectives in a private space. Export logs to share with your therapist for more productive sessions.

**Highlights:** Structured thought records, Therapy log export, Complete on-device privacy, Daily reflection reminders, Intuitive design, Identify negative thought patterns

**In-app purchases:** none


## Frequently asked questions

### Is Marbles CBT free?

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

### Is CBT Diary free?

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

### Which has better reviews, Marbles CBT or CBT Diary?

Marbles CBT and CBT Diary are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Marbles CBT or CBT Diary have ads?

Neither Marbles CBT nor CBT Diary shows ads.

### Which is updated more often, Marbles CBT or CBT Diary?

Marbles CBT ships an update every 2 months, and CBT Diary every 5 months. Most recently, Marbles CBT was updated on June 4, 2026 and CBT Diary on June 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*