O3 vs Melt Focus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O3
Discover and access 24/7 study cafes designed for focused work and social interaction. Book spaces, connect with others, and enhance your productivity in a unique cafe environment.
- Unlock 24/7 study cafes
- Book study spaces
- Work and study environments
- Meet new people
- Socialize in cafes
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Giant 24/7 cafes you can unlock with one app. Study, work, hang out, and meet new people at O3! https://www.o3space.org/terms-of-use
Melt Focus
This app uses a unique visual metaphor of melting ice to help users track focus sessions. It offers customizable timers, progress tracking, and reflective journaling to build consistent habits without feeling overwhelming.
- Customizable focus sessions
- Session history and progress statistics
- Journal reflections
- Home Screen widgets
- Ambient focus sounds
- Secure syncing across devices
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Melt Focus is a calming focus timer designed to help you start, stay present, and see your progress over time. Choose a session length, begin focusing, and watch the ice melt as time passes. Each completed session contributes to your focus history, helping you build consistency without making productivity feel overwhelming. Features include: • Custom focus sessions • Pause, resume, complete, or end sessions early • Session history and progress statistics • Journal reflections after focusing • Home Screen widgets • Live Activities and Dynamic Island support • Ambient focus sounds • Reminders and customizable settings • Secure syncing across devices Melt Focus Pro provides access to additional premium features and personalization options. Subscriptions automatically renew unless canceled through your Apple Account settings. Restore Purchases is available inside the app. Whether you are studying, working, reading, or building a better routine, Melt Focus helps make each focused minute count. Privacy Policy: https://www.melt-focus.com/privacy Terms of Use: https://www.melt-focus.com/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Melt Focus at none against O3's 1. Melt Focus also leads on review sentiment (100% vs 91%). O3's advantage is ratings volume (14 vs 1). On price, rating, update cadence and ads 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. O3 sells 1 in-app purchase, starting at $6.00 per 7 days. Melt Focus asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for O3 against 5.0 for Melt Focus. That said, the two scores are not equally well evidenced: O3 has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 91% of O3's written reviews are positive against 100% of Melt Focus's.
O3 ships an update every 9 days, Melt Focus every 6 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | O3 | Melt Focus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (14 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 90.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 14 — better | 1 |
| Update frequency | Every 9 days | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 171 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | O3 Platforms Limited | CHRISTOPHER MICHAEL CORDERO |
Customer experience
O3
Melt Focus
In-app purchases
O3
- 10HR COMBO$6.007 Days
Melt Focus
No in-app purchases
