# Kid Calc vs Girin

The clearest difference is ads: Girin at none against Kid Calc's shown. Kid Calc's advantage is update cadence (every 5 months vs every 27 months) and iOS requirement (12.0 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 1.0 for Kid Calc against 1.0 for Girin. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Kid Calc ships an update every 5 months, Girin every 27 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Kid Calc | Girin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/kid-calc/id953242931/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/girin/id1556565598/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 27 months |
| Monetization | Free | Free |
| Size | 5 MB | 57 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [gangadhar goud](https://appshunter.io/developer/898647800) | [yaehoon Kim](https://appshunter.io/developer/1556565600) |

## What reviewers say

### Kid Calc

[App page](https://appshunter.io/ios/app/kid-calc/id953242931)

This app tracks children's average height and weight based on age, offering insights into their development. It includes a feature for infants under one year old to monitor their growth.

**Highlights:** Height and weight tracking by age, Average growth insights, Kid Vision for infants under one, Development monitoring

**Features:** macOS Compatibility, Vision Pro support

**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 Kid Calc free?

Kid Calc 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, Kid Calc or Girin?

Kid Calc and Girin are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Kid Calc or Girin have ads?

Kid Calc shows ads; Girin does not.

### Which is updated more often, Kid Calc or Girin?

Kid Calc ships an update every 5 months, and Girin every 27 months. Most recently, Kid Calc was updated on October 2, 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.*