NifMo 半額ダイヤル vs エアミル2W
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NifMo 半額ダイヤル
This service allows users to make domestic calls at half the standard rate without registration or monthly fees. It utilizes the existing phone line, ensuring call quality remains unchanged. It is available to NifMo voice call SIM card users.
- Half-price domestic calls
- No registration required
- No monthly fees
- Uses existing phone line
- Maintains call quality
- Available for NifMo SIM users
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「NifMo 半額ダイヤル」は、専用アプリから発信すると、電話番号はそのままで、国内通話料が半額になるサービスです。登録手続きは不要で、月額料金もかかりません。IP電話とは異なり電話回線を使うので、音質も変わらずに利用できます。 ※本サービスは、「NifMo」音声通話対応SIMカードをご利用中の個人会員および法人会員への提供となります。 ※詳細につきましては、「NifMo 半額ダイヤル」サービスページをご覧ください。 ●注意事項 ・「NifMo 半額ダイヤル」の半額とは、NifMoの通常の国内通話20円/30秒（税抜）で発信した場合との比較です。 ・緊急通報（110/118/119）やフリーダイヤル、ナビダイヤル（0570）など一部発信できない番号があります。
エアミル2W
Monitor environmental conditions with real-time data and historical graphs. This app visualizes temperature, humidity, and CO2 levels from a compatible Wi-Fi sensor.
- Real-time data display
- Historical graph visualization
- Temperature monitoring
- Humidity monitoring
- CO2 concentration tracking
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This is an application that displays the measured values and graphs of temperature, humidity, and CO2 concentration measured by RATOC System's Wi-Fi CO2 sensor RS-WFCO2.
Screenshots
Verdict
The clearest difference is update cadence: エアミル2W at every 5 weeks against NifMo 半額ダイヤル's every 6 months. エアミル2W also leads on review sentiment (33% vs 13%). NifMo 半額ダイヤル's advantage is iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
NifMo 半額ダイヤル ships an update every 6 months, エアミル2W every 5 weeks. The most recent releases landed on August 13, 2026 and July 28, 2026 respectively.
| Parameter | NifMo 半額ダイヤル | エアミル2W |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 12.5% of reviews | 33.3% of reviews — better |
| Update frequency | Every 6 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | NIFTY Corporation | RATOC Systems, Inc. |
Customer experience
NifMo 半額ダイヤル
エアミル2W
In-app purchases
NifMo 半額ダイヤル
No in-app purchases
エアミル2W
No in-app purchases
