# PetsAge vs うちの子免許証

The clearest difference is update cadence: うちの子免許証 at every 2 days against PetsAge's every 2 months. うちの子免許証 also leads on iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PetsAge sells 1 one-off in-app purchase and うちの子免許証 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PetsAge ships an update every 2 months, うちの子免許証 every 2 days. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PetsAge | うちの子免許証 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (17 ratings)](https://appshunter.io/ios/app/petsage/id1275858030/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 41.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 158 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [JUN KANAYAMA](https://appshunter.io/developer/605648452) | [Shuto Numjairi](https://appshunter.io/developer/1884807992) |

## What reviewers say

### PetsAge

[App page](https://appshunter.io/ios/app/petsage/id1275858030)

Calculate your pet's age in human years by uploading a photo and entering their birthday. You can also add comments, save, and share your pet's age milestones.

**Highlights:** Calculate pet age in human years, Upload pet photos, Enter pet birthdays, Add comments to milestones, Save and share pet ages

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $2.99 | one-time |


### うちの子免許証

[App page](https://appshunter.io/ios/app/id6760520451)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $1.99 | one-time |


## Frequently asked questions

### Is PetsAge free?

PetsAge is free to download, with in-app purchases available.

### Is うちの子免許証 free?

うちの子免許証 is free to download, with in-app purchases available.

### Do PetsAge or うちの子免許証 have ads?

Both PetsAge and うちの子免許証 show ads.

### Which is updated more often, PetsAge or うちの子免許証?

PetsAge ships an update every 2 months, and うちの子免許証 every 2 days. Most recently, PetsAge was updated on September 18, 2026 and うちの子免許証 on September 17, 2026.

---

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