Diary vs Harmony
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diary
This app helps you track your thoughts, emotions, and behaviors to understand and change unhelpful patterns. It's a tool for developing coping strategies and improving overall well-being through cognitive behavioral therapy techniques.
- Record events, thoughts, and emotions
- Identify cognitive distortions
- Track behaviors and body reactions
- Develop rational responses
- Monitor progress over time
- Set mental health goals
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Cognitive behavioural therapy (CBT) is a type of psychotherapy that helps individuals identify and change unhelpful or unhealthy thought patterns and behaviours. The goal of CBT is to positively influence a person’s emotions, behaviour and overall wellbeing. CBT can be used to treat a variety of issues, such as depression, anxiety, phobias and post-traumatic stress disorder. It helps people develop beneficial coping strategies and improve their problem-solving skills. A CBT diary is a tool that is used to record events, thoughts, emotions, body reactions, behaviours, rational responses and cognitive distortions. It is used to track progress over time and help individuals learn more about their thought and behaviour patterns. The diary can also be used to set goals and develop strategies for improving mental health. By writing down their thoughts, emotions, and behaviours, individuals can gain greater insight into their own behaviour and gain new perspectives on the challenges they are facing. By downloading the app, you agree to our Terms of Use and Privacy Policy. http://diary.ios.app.tilda.ws/en/terms-and-conditions
Harmony
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“Harmony” is an app for daily mental well-being care. Here, you’ll find a specially trained AI assistant, psychological tests, short exercises, and a customizable journal. Use the full power of modern technology to track your emotions, notice triggers, and choose supportive practices. Start today — just 5 minutes in Harmony can change your day.
Screenshots
Verdict
The clearest difference is in-app purchases: Harmony at none against Diary's 1. Harmony also leads on update cadence (monthly vs every 7 months) and iOS requirement (13.4 vs 15.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Diary sells 1 in-app purchase, starting at $0.99 per month. Harmony asks for nothing beyond the download.
Diary ships an update every 7 months, Harmony monthly. The most recent releases landed on August 30, 2026 and May 19, 2026 respectively.
| Parameter | Diary | Harmony |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 7 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 20 MB | 23 MB |
| Age rating | 4+ | 17+ |
| Developer | Ivan Medvedev | ООО "БЕТА МАРКЕТИНГ" |
In-app purchases
Diary
- Premium$0.991 Month
Harmony
No in-app purchases








