Foku vs Stillfin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Foku
This app uses your camera to detect distractions and provides gentle reminders to help you stay focused during study or work sessions. It also includes lo-fi music to aid concentration and tracks your daily progress.
- Smart distraction detection
- Lo-fi music for concentration
- Friendly companion character
- Daily progress tracking
- Pomodoro timer
- Break games
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Stay focused with your friendly study companion! Foku is your adorable focus buddy who helps you stay on task during study sessions. Using your camera, Foku gently nudges you back when you get distracted — no judgment, just friendly reminders to keep you in the zone. HOW IT WORKS Simply start a session and Foku watches over you. Look away too long? Check your phone? Foku notices and brings your attention back with a gentle reminder. It's like having a supportive study partner who keeps you accountable. FEATURES • Smart distraction detection — Foku knows when you've drifted off • Spotify Lo-fi music — Chill beats to help you concentrate • Friendly companion — A cute character that celebrates your focus wins • Daily progress — Track your focus time and build better habits FOKU PLUS Upgrade for the ultimate focus experience: • Unlimited daily focus time • Pomodoro timer with customizable intervals • Fun break games to recharge • Choose your lo-fi mood • Exclusive stickers Whether you're studying for exams, working on projects, or just need help staying present — Foku is here to help you do your best work. Download now and make focus fun! Terms of Use: https://tetuji486597.github.io/foku-support/terms.html
Stillfin
This app transforms focused work sessions into a peaceful fishing simulation. As you study or work, your in-game angler fishes, and completing focus goals helps your island grow and unlocks rare catches. It offers a calming environment for productivity with optional social features.
- Focus timer with calming sounds
- Gamified focus sessions with fishing
- Island customization and growth
- Collect illustrated fish
- Friend system for collaboration
- Focus statistics and reports
- Optional iCloud sync
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A little less scrolling. A little more reeling. Stillfin turns your focus timer into an island fishing trip. Study, read or get lost in deep work while your angler watches the water. Come back with something to show for the time you gave yourself. MADE FOR IPHONE DUO Optimized for iPhone Duo, folded or unfolded. Open the larger display to keep your island and focus charts side by side, with quick access to friends, your aquarium and widgets. FOCUS FIRST. FISH LATER. Choose a task, set your timer and cast your line. Finish your target to earn a fish sticker. Reel in early and the line comes back empty. What will you catch next? GOOD COMPANY, QUIET FOCUS Exchange island cards to add friends, including through AirDrop. Visit an island when its owner opens it, or settle in for shared focus with up to four people. Different tasks, the same little shore. SOMEONE HAS AN EYE ON YOUR ISLAND A sneaky thief helps himself to resources while you are away. Return to your focus habit and bring your island back to life. Give yourself a reason to come back tomorrow. MAKE TIME YOUR OWN Set your focus time, short breaks and long breaks for a rhythm that suits your day. Live Activities keep the timer visible on the Lock Screen and Dynamic Island on supported devices. BUILD YOUR LITTLE ESCAPE Choose a landscape and add trees, houses and animated fantasy companions. Earn focus progress to unlock more decorations, then make the island feel like yours. SEE YOUR EFFORT ADD UP Explore focus charts, keep mood notes, collect illustrated fish and share a focus report. Ambient sounds and light or dark themes help set the scene. Basic focus and fish collection are free. Some features require Pro, available monthly, yearly or as a lifetime purchase. Subscriptions renew automatically and can be managed or cancelled in App Store settings. Cast your line. Give your next task a little space. Privacy: https://boobar.app/stillfin/en/privacy.html Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ratings volume: Foku at 4 against Stillfin's 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. Foku sells 2 in-app purchases, starting at $4.99 per month and Stillfin sells 3 in-app purchases, starting at $0.99 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 Foku against 5.0 for Stillfin. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 18, 2026 and October 21, 2026 respectively.
| Parameter | Foku | Stillfin |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 145 MB | 140 MB |
| Age rating | 4+ | 9+ |
| Developer | GORDON JIN | 少强 吴 |
Customer experience
Foku
Stillfin
In-app purchases
Foku
- Foku Plus Monthly$4.991 Month
- Foku Plus Annual$39.991 Year
Stillfin
- Stillfin Pro · Monthly$0.991 Month
- Stillfin Pro · Yearly$4.991 Year
- Stillfin Pro · Lifetime$12.99








