# NifMo 半額ダイヤル vs エアミル2W

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.

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.

## The numbers

| Metric | 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** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 10 MB | 20 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NIFTY Corporation](https://appshunter.io/developer/336576796) | [RATOC Systems, Inc.](https://appshunter.io/developer/568725272) |

## What reviewers say

### NifMo 半額ダイヤル

[App page](https://appshunter.io/ios/app/nifmo/id1234167087)

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.

**Highlights:** Half-price domestic calls, No registration required, No monthly fees, Uses existing phone line, Maintains call quality, Available for NifMo SIM users

**Features:** macOS Compatibility

**In-app purchases:** none


### エアミル2W

[App page](https://appshunter.io/ios/app/2w/id1566331258)

Monitor environmental conditions with real-time data and historical graphs. This app visualizes temperature, humidity, and CO2 levels from a compatible Wi-Fi sensor.

**Highlights:** Real-time data display, Historical graph visualization, Temperature monitoring, Humidity monitoring, CO2 concentration tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is NifMo 半額ダイヤル free?

NifMo 半額ダイヤル is free to download, with no in-app purchases.

### Is エアミル2W free?

エアミル2W is free to download, with no in-app purchases.

### Do NifMo 半額ダイヤル or エアミル2W have ads?

Neither NifMo 半額ダイヤル nor エアミル2W shows ads.

### Which is updated more often, NifMo 半額ダイヤル or エアミル2W?

NifMo 半額ダイヤル ships an update every 6 months, and エアミル2W every 5 weeks. Most recently, NifMo 半額ダイヤル was updated on August 13, 2026 and エアミル2W on July 28, 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.*