# 03plus vs 安心でんしょばと【ブルー】

The clearest difference is update cadence: 03plus at every 3 weeks against 安心でんしょばと【ブルー】's every 12 months. 03plus also leads on review sentiment (11% vs 0%). 安心でんしょばと【ブルー】's advantage is device support (3 vs 1) and iOS requirement (12.2 vs 18.6). On price, ads and in-app purchases there is nothing between them.

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

03plus ships an update every 3 weeks, 安心でんしょばと【ブルー】 every 12 months. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 03plus | 安心でんしょばと【ブルー】 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **10.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | Free | — |
| Size | 163 MB | 58 MB |
| Requires iOS | 18.6 | **12.2** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Magrex](https://appshunter.io/developer/573043527) | [Lines Co.,Ltd.](https://appshunter.io/developer/726910209) |

## What reviewers say

### 03plus

[App page](https://appshunter.io/ios/app/03plus/id966072922)

This app allows you to use a landline number on your smartphone without complex setup. Obtain a fixed-line number with a local area code and make/receive calls and send/receive faxes directly from your device. It's ideal for remote work and managing business communications efficiently.

**Highlights:** Use landline numbers on smartphone, Obtain local area codes nationwide, Send and receive faxes via app, Supports remote work and telecommuting, No construction or phone lines needed, Fast number acquisition (as short as 10 minutes)

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

**In-app purchases:** none


### 安心でんしょばと【ブルー】

[App page](https://appshunter.io/ios/app/id1465068469)

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

**In-app purchases:** none


## Frequently asked questions

### Is 03plus free?

03plus is free to download, with no in-app purchases.

### Is 安心でんしょばと【ブルー】 free?

安心でんしょばと【ブルー】 is free to download, with no in-app purchases.

### Do 03plus or 安心でんしょばと【ブルー】 have ads?

Neither 03plus nor 安心でんしょばと【ブルー】 shows ads.

### Which is updated more often, 03plus or 安心でんしょばと【ブルー】?

03plus ships an update every 3 weeks, and 安心でんしょばと【ブルー】 every 12 months. Most recently, 03plus was updated on October 19, 2026 and 安心でんしょばと【ブルー】 on October 14, 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.*