# 川島和正メルマガ アプリ版 vs Soliton Authenticator

The clearest difference is update cadence: 川島和正メルマガ アプリ版 at every 3 months against Soliton Authenticator's every 6 months. 川島和正メルマガ アプリ版 also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.0). 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.

川島和正メルマガ アプリ版 ships an update every 3 months, Soliton Authenticator every 6 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 川島和正メルマガ アプリ版 | Soliton Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id961855530/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 81.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | — |
| Size | 22 MB | 10 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Kawashima Hongkong Limited](https://appshunter.io/developer/961855529) | [Soliton Systems K.K.](https://appshunter.io/developer/400872810) |

## What reviewers say

### 川島和正メルマガ アプリ版

[App page](https://appshunter.io/ios/app/id961855530)

Access a long-running personal newsletter offering free business, investment, and lifestyle advice. Learn from a successful entrepreneur's experiences in wealth building, time management, relationships, and education.

**Highlights:** Business and investment insights, Time management strategies, Personal development tips, Relationship advice, Educational insights, Lifestyle guidance

**Features:** macOS Compatibility

**In-app purchases:** none


### Soliton Authenticator

[App page](https://appshunter.io/ios/app/soliton-authenticator/id1561854930)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 川島和正メルマガ アプリ版 free?

川島和正メルマガ アプリ版 is free to download, with no in-app purchases.

### Is Soliton Authenticator free?

Soliton Authenticator is free to download, with no in-app purchases.

### Do 川島和正メルマガ アプリ版 or Soliton Authenticator have ads?

Neither 川島和正メルマガ アプリ版 nor Soliton Authenticator shows ads.

### Which is updated more often, 川島和正メルマガ アプリ版 or Soliton Authenticator?

川島和正メルマガ アプリ版 ships an update every 3 months, and Soliton Authenticator every 6 months. Most recently, 川島和正メルマガ アプリ版 was updated on November 1, 2026 and Soliton Authenticator on November 3, 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.*