# WHAT vs Girin

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.

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.

## The numbers

| Metric | WHAT | Girin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/what-time/id1434261911/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/girin/id1556565598/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 27 months |
| Monetization | Free | Free |
| Size | 7 MB | 57 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BINARY ROCKET](https://appshunter.io/developer/1508266080) | [yaehoon Kim](https://appshunter.io/developer/1556565600) |

## What reviewers say

### WHAT

[App page](https://appshunter.io/ios/app/what-time/id1434261911)

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.

**Highlights:** Create custom subjects, Log time spent on subjects, Record and review time logs, Manage daily activities, Analyze time allocation

**Features:** macOS Compatibility

**In-app purchases:** none


### Girin

[App page](https://appshunter.io/ios/app/girin/id1556565598)

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.

**Highlights:** Advanced AR height measurement, Digital height charts for kids, Professional and accurate growth recording, Uses iPhone sensors, No physical stickers or lines needed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WHAT free?

WHAT is free to download, with no in-app purchases.

### Is Girin free?

Girin is free to download, with no in-app purchases.

### Which has better reviews, WHAT or Girin?

WHAT is rated higher. WHAT averages 5.0 out of 5 from 2 ratings, while Girin averages 1.0 from 1 ratings.

### Do WHAT or Girin have ads?

Neither WHAT nor Girin shows ads.

### Which is updated more often, WHAT or Girin?

WHAT ships an update every 3 months, and Girin every 27 months. Most recently, WHAT was updated on October 3, 2026 and Girin on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*