Kid Calc vs Girin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kid Calc
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.
- Height and weight tracking by age
- Average growth insights
- Kid Vision for infants under one
- Development monitoring
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Kid Calc is an essential app that provides valuable insights into your children's growth by showing their average height and weight based on age. Stay informed and ensure your kids are on track with their development! Kid Vision, has been added for children under the age of one year.
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 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.
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.
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.
| Parameter | Kid Calc | Girin |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 1.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 months — better | Every 27 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | gangadhar goud | yaehoon Kim |
Customer experience
Kid Calc
Girin
In-app purchases
Kid Calc
No in-app purchases
Girin
No in-app purchases
