Diary vs Arena
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
Arena
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Arena records your runs and gets out of the way. Tap Start, run, tap Finish. Distance, pace, time, elevation and heart rate, with splits and charts, on a map you can share to Instagram Stories in one tap. WORKS WITH ANY WATCH Runs from Apple Watch, Garmin, Polar, Coros, Suunto, Huawei and Xiaomi arrive through Apple Health. Live heart rate comes from any watch or chest strap that broadcasts over Bluetooth. Apple Watch gets its own Arena app with GPS and heart rate, no phone needed. BUILT FOR RUNNING • Auto-pause at traffic lights • Voice cues every kilometer or mile • Live Activity on the Lock Screen and in the Dynamic Island • Start a run from Control Center, the Action button or Siri • Personal records, weekly goal and streak • Heart rate zones, calories and cadence • GPX and FIT import and export YOUR DATA STAYS YOURS No account, no server, no tracking. Everything lives on your phone and in Apple Health. Export all your runs as GPX whenever you like.
Screenshots
Verdict
The clearest difference is in-app purchases: Arena at none against Diary's 1. Diary's advantage is iOS requirement (15.0 vs 18.0). 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. Arena asks for nothing beyond the download.
| Parameter | Diary | Arena |
|---|---|---|
| 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 | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 20 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Ivan Medvedev | Aleksandr Pozharov |
In-app purchases
Diary
- Premium$0.991 Month
Arena
No in-app purchases









