通訳先生 vs Ring Sizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
通訳先生
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英語での会話を間に入って通訳してくれるアプリです。 使い方は簡単で、2人の間に置いて、ボタンを押しながら話すだけで、通訳した音声が出力されます。 通訳は、日本語と英語を双方向で行えます。 powered by OpenAI ChatGPT APIを搭載した翻訳先生アプリです。 本アプリを使用するには、チケットの購入(アプリ内課金)か、APIキーが必要です。 ※ AIによる翻訳やスマホAPIでの音声認識、発話は、発展途上の技術ですので、誤訳、誤認識、誤発声が起こります。 使用により発生した被害、および、使えない事による被害に対して、本アプリは一切の責任を負いません。
Ring Sizer
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Ring Sizer is a simple tool for checking ring size directly on your iPhone. Open the app, place a ring on the screen, and adjust the circle with the smooth slider until it matches the inside edge of the ring. The selected size and inner diameter are shown clearly, so you can check the result without searching through conversion tables. The app supports JP, US, EU, and UK size systems. It automatically chooses a default based on your device language and region, and you can change it anytime from the size menu. The slider moves by size steps with subtle haptic feedback, making the measuring experience quick and satisfying. You can also save sizes for your own fingers. Store sizes for the left and right hand, from thumb to little finger, and review them later in the My Fingers tab. Ring Sizer is designed with a calm, feminine beige style that keeps the measuring circle easy to see while still feeling polished. It is perfect for checking rings at home, comparing sizes before shopping, or keeping a personal ring-size note.
Screenshots
Verdict
The clearest difference is in-app purchases: 通訳先生 at none against Ring Sizer's 1. 通訳先生 also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support 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. Ring Sizer sells 1 one-off in-app purchase. 通訳先生 asks for nothing beyond the download.
| Parameter | 通訳先生 | Ring Sizer |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 62 MB |
| Age rating | 17+ | 4+ |
| Developer | Atsushi Yamada | Romiick LLC |
In-app purchases
通訳先生
No in-app purchases
Ring Sizer
- Ring Sizer Pro$9.99









