Oshi Timer vs Komoriba
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Oshi Timer
Stay motivated during study or workouts by setting a picture of your favorite character as a visual timer. Customize focus and break times, sounds, and notifications. The app supports multiple timers and device orientations.
- Set custom images as timer background
- Create multiple timers
- Customizable focus and break times
- Adjustable countdown and end sounds
- Background notifications
- Portrait and landscape support
- Dark mode compatibility
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Set a picture of your favorite character - your "Oshi" (Japanese term 「推し」 for something or someone you love) - to keep you motivated during your daily studies or workouts! [Features] * Set any image at the center of the timer * Register up to 2 photos * Create multiple timers * Set focus time, break time, and number of repeats * Turn sound ON/OFF during countdown and at timer end * Receive notifications when focus or break time ends, even if the app is closed * Compatible with iPad and iPhone * Supports both portrait and landscape modes * Supports dark mode * Change timer color (green, blue, brown) * Customize timer end sound * [Premium Plan] Register up to 4 photos * [Premium Plan] Unlock more timer color options * [Premium Plan] Create up to 20 timers
Komoriba
This app helps you focus by blocking distracting applications while you work. As you concentrate, cute virtual residents in your phone's "Komoriba" world become active and earn in-game currency. Use this currency to unlock new rooms and characters, fostering a more engaging and rewarding focus experience.
- Focus timer with virtual residents
- Block distracting apps
- Earn in-game Crystals
- Unlock new rooms and characters
- Monthly supporter plan
- In-app Crystal purchases
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Somewhere inside your phone, tiny residents have made themselves at home in a place called Komoriba. Animals, robots, and all sorts of curious little characters. While you're focused on your work, they're busy doing their own thing in their cozy rooms. And honestly? They're ridiculously cute. ◆ Focus Timer Start a focus session and your residents get to work alongside you. The longer you stay focused, the more Crystals you earn. ◆ Screen Block Block distracting apps while you focus. The more apps you block, the more Crystals you'll pick up. ◆ Focus with Friends Find a public room, or get together with an invite code or shared link. Even when you're apart, your Komoriba can focus side by side. ◆ Discover New Komoriba Spend your Crystals to unlock rooms you haven't seen yet. Each one is home to different residents. The more you focus, the more of this world opens up to you. ◆ Community Komoriba You can even request your very own original Komoriba. A room born from your imagination might just help someone else find their focus too. ◆ Komoriba Supporter (Monthly Plan) Want to support the world of Komoriba? Supporters earn double Crystals from focus sessions, receive bonus Crystals every month, and get access to supporter-only rooms. Your support helps this little world keep growing. ◆ Crystal Shop Can't wait to meet a certain Komoriba resident? You can grab Crystals anytime to unlock them right away. Studying, working, or just getting things done. Whatever you're up to, your Komoriba residents are right there with you.
Screenshots
Verdict
The clearest difference is update cadence: Komoriba at every 5 days against Oshi Timer's every 3 months. Oshi Timer's advantage is iOS requirement (15.6 vs 18.6). On price, rating, review sentiment and ratings volume 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. Oshi Timer sells 1 one-off in-app purchase and Komoriba sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Oshi Timer against 5.0 for Komoriba. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 79% of Oshi Timer's written reviews are positive against 78% of Komoriba's.
Oshi Timer ships an update every 3 months, Komoriba every 5 days. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.
| Parameter | Oshi Timer | Komoriba |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 79.3% of reviews — better | 77.8% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.6 |
| Further details — not scored | ||
| Size | 9 MB | 328 MB |
| Age rating | 4+ | 4+ |
| Developer | Yasuhiro Yamada | Haruki Kurosawa |
Customer experience
Oshi Timer
Komoriba
In-app purchases
Oshi Timer
- Premium Plan$3.99
Komoriba
- Monthly Komoriba Supporter$4.991 Month
- 200 Crystals$1.99
- 1000 Crystals$4.99
- 2000 Crystals$19.99
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- 6000 Crystals$29.99
- 10000 Crystals$49.99









