# 計算年齢測定器 vs Info ST

The clearest difference is ads: 計算年齢測定器 at none against Info ST's shown. 計算年齢測定器 also leads on iOS requirement (7.0 vs 15.6). Info ST's advantage is review sentiment (50% vs 33%) and update cadence (every 5 weeks vs every 3 months). On price, in-app purchases and device support there is nothing between them.

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

計算年齢測定器 ships an update every 3 months, Info ST every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 計算年齢測定器 | Info ST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id425617427/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Ad-supported |
| Size | 5 MB | 8 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [infinitysoftware Co.,Ltd](https://appshunter.io/developer/397323076) | [Kenichi Kawachi](https://appshunter.io/developer/1512629371) |

## What reviewers say

### 計算年齢測定器

[App page](https://appshunter.io/ios/app/id425617427)

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

**In-app purchases:** none


### Info ST

[App page](https://appshunter.io/ios/app/info-st/id1548111535)

Stay updated with the latest news and updates about your favorite pop idol group and its members. Save articles to your favorites for easy access and create personal memories within the app.

**Highlights:** News for group and individual members, Favorite articles, Searchable news archive, Personal memory log, Offline favorite access

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

**In-app purchases:** none


## Frequently asked questions

### Is 計算年齢測定器 free?

計算年齢測定器 is free to download, with no in-app purchases.

### Is Info ST free?

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

### Do 計算年齢測定器 or Info ST have ads?

Info ST shows ads; 計算年齢測定器 does not.

### Which is updated more often, 計算年齢測定器 or Info ST?

計算年齢測定器 ships an update every 3 months, and Info ST every 5 weeks. Most recently, 計算年齢測定器 was updated on November 1, 2026 and Info ST on November 3, 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.*