Comparison

Oshi Timer vs Komoriba

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

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.

Highlights
  • Focus timer with virtual residents
  • Block distracting apps
  • Earn in-game Crystals
  • Unlock new rooms and characters
  • Monthly supporter plan
  • In-app Crystal purchases
Features
Read full description

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

Oshi Timer4 screens
Komoriba4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Oshi Timer versus Komoriba: the parameters behind the verdict, then further details
ParameterOshi TimerKomoriba
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews79.3% of reviews — better77.8% of reviews
Number of ratings11
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.6
Further details — not scored
Size9 MB328 MB
Age rating4+4+
DeveloperYasuhiro YamadaHaruki Kurosawa

Customer experience

Oshi Timer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews29 reviews
Positive79.3%
Neutral13.8%
Negative6.9%

Komoriba

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews27 reviews
Positive77.8%
Neutral14.8%
Negative7.4%

In-app purchases

1 purchases

Oshi Timer

One-time1
  • Premium Plan$3.99
6 purchases

Komoriba

Subscriptions1
  • Monthly Komoriba Supporter$4.991 Month
One-time5
  • 200 Crystals$1.99
  • 1000 Crystals$4.99
  • 2000 Crystals$19.99
Show 2 more
  • 6000 Crystals$29.99
  • 10000 Crystals$49.99

Questions

Is Oshi Timer free?
Oshi Timer is free to download, with in-app purchases available.
Is Komoriba free?
Komoriba is free to download, with in-app purchases available.
Which has better reviews, Oshi Timer or Komoriba?
Oshi Timer and Komoriba are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Oshi Timer or Komoriba have ads?
Neither Oshi Timer nor Komoriba shows ads.
Which is updated more often, Oshi Timer or Komoriba?
Oshi Timer ships an update every 3 months, and Komoriba every 5 days. Most recently, Oshi Timer was updated on October 4, 2026 and Komoriba on October 12, 2026.

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