エアミル2B vs ツーカメラ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
エアミル2B
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1] Application Overview This is an application that displays the measured values and graphs of temperature, humidity, CO2 concentration, and PM2.5 measured by RATOC System's Bluetooth environment sensor RS-BTEVS1. [2] Features Displays values for temperature, humidity, CO2, and PM (1.0, 2.5, 4.0, 10.0) Displays measurement data in a graph Save measurement data in CSV file
ツーカメラ
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【日本語専用/Japanese Only】 iPhoneやiPadの内と外のカメラを起動し、その2台のカメラの映像を同時に撮影できるアプリです。 画面は縦向き固定です。 撮影すると、その画像がカメラロールに保存されます。 ダブルタップで内と外のカメラの表示を入れ替えることができます。 また、白い枠の映像はドラッグやピンチ操作で移動や拡大・縮小もできます。
Screenshots
Verdict
The clearest difference is update cadence: ツーカメラ at daily against エアミル2B's every 6 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
エアミル2B ships an update every 6 months, ツーカメラ daily. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.
| Parameter | エアミル2B | ツーカメラ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 22 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | RATOC Systems, Inc. | Hirotaka Mori |
In-app purchases
エアミル2B
No in-app purchases
ツーカメラ
No in-app purchases
