Cat's Study vs Guardian Study Room
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cat's Study
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Cat's Study is a study timer where you focus alongside a cat. Start a task and the cat in the room opens its book too. It rests when you rest and dozes off when you're done. Homework, exams, deep work or reading: it all feels a little less lonely with company. FOCUS TIMER - Stopwatch or Pomodoro, with focus and break lengths set to the minute. - Get notified when it's time to focus or take a break. - Leave the screen alone while you focus and the room dims, with only the timer showing. Handy on a desk stand. TASK PLANNER - Tap ▶ next to any of today's tasks to start right away. - Sort tasks into categories like Study or Work, and set daily ones to repeat. - Can't decide? Tap "Just start" and the cat comes up with a task for you. STUDY TRACKER - Daily, weekly and monthly focus time, broken down by category. - Focus 5+ minutes in one go each day to build a streak. - Share your records as an image. ROOM AND SOUNDS - Play rain sounds, thunder, library ambience or lofi music on the turntable, even with the screen off. - Eight room themes, including Café in the Rain, Cherry Blossom Study and Spaceship Study. - Earn coins from check-ins, focus sessions and streaks to dress up your cat and its room. NO PRESSURE - Start without signing in, or sign in to keep your records on any device. - Every feature is free, with no in-app purchases. No ads while you focus. - Dark mode supported.
Guardian Study Room
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The room where it's okay to just sit down at your desk on the days you can't even start. Hang today's mood out to dry, and a guardian spirit that matches it appears and sits with you. ■ Hang out your mood · Pick today's feeling - anxious, drained, unmotivated, in flow, or pressured · When your session ends, the mood you hung out dries up and is put away ■ A guardian by your side · An otter, a puppy, or a cat appears to match your mood · Tap to change your guardian - each one offers a word of comfort · In the K-Study Room, meet the Maiden Ghost and the Young Lord Ghost ■ Pomodoro timer · 25 and 50 minute sessions built in · Set any length from 5 minutes to 3 hours · After each focus session, break guidance carries you to the next one · Time flows accurately even when you leave the app, and a bell and notification tell you when it's done ■ Today's to-dos and calendar · Check off today's tasks and manage to-dos per goal · See your exam day (D-Day), studied days, and a 7-day focus graph on the calendar · Streaks earn you a celebration from your guardian ■ Two room moods · The rainy Guardian's Room and the hanji-paper K-Study Room · The view outside the window changes with the time of day (dawn, day, dusk, night) ■ Gentle sounds · Rain, fireplace, lo-fi, and forest sounds on endless loop · Or keep it silent on days you'd rather not hear a thing · English and Korean are supported - the app follows your phone's language Great for you if · You fall apart quickly when studying alone · Starting is the hardest part (a guardian will hold you to "just five minutes") · Emotions keep getting in the way of studying ※ This app does not guarantee academic results. It is a helper for building study habits. ※ Timers and logs are stored on your device only and are never sent anywhere. ※ Please take plenty of breaks during long focus sessions.
Screenshots
Verdict
The clearest difference is ads: Guardian Study Room at none against Cat's Study's shown. On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Cat's Study | Guardian Study Room |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Daily |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 140 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Lo-Fi Labs Inc. | Hyunwoo Lee |
In-app purchases
Cat's Study
No in-app purchases
Guardian Study Room
No in-app purchases





