WHAT vs Girin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WHAT
Track your daily activities and understand where your time goes. Easily log hours spent on studying, working out, or relaxing. Organize your life by creating custom subjects and recording your time spent on each.
- Create custom subjects
- Log time spent on subjects
- Record and review time logs
- Manage daily activities
- Analyze time allocation
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WHAT TIME Manage your time Check how much time you spent on studying, working out, or chilling out. Log how you spend your time and manage your life. Features - You can create subject easily. - Select a subject and specify a time. - Record the time, check the record.
Girin
Utilize advanced AR technology to measure and record children's heights without physical charts. Track your child's growth professionally and accurately with built-in iPhone sensors.
- Advanced AR height measurement
- Digital height charts for kids
- Professional and accurate growth recording
- Uses iPhone sensors
- No physical stickers or lines needed
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Advanced AR technology without having to draw dirty lines or attach height chart stickers to the wall shows various height chart that children will like. You can measure and record heights with sensors built into your iPhone so that you can see your child's growth more professionally and accurately.
Screenshots
Verdict
The clearest difference is review sentiment: WHAT at 50% against Girin's 0%. WHAT also leads on rating (5.0 vs 1.0) and update cadence (every 3 months vs every 27 months). On price, ratings volume, ads and in-app purchases 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.
WHAT holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 50% of WHAT's written reviews are positive against 0% of Girin's.
WHAT ships an update every 3 months, Girin every 27 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.
| Parameter | WHAT | Girin |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 3 months — better | Every 27 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | BINARY ROCKET | yaehoon Kim |
Customer experience
WHAT
Girin
In-app purchases
WHAT
No in-app purchases
Girin
No in-app purchases
