# PA ONE vs Soliton Authenticator

The clearest difference is update cadence: PA ONE at every 2 months against Soliton Authenticator's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

PA ONE ships an update every 2 months, Soliton Authenticator every 5 months. The most recent releases landed on September 10, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | PA ONE | Soliton Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 13 MB | 11 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PhoneAppli,inc](https://appshunter.io/developer/375879420) | [Soliton Systems K.K.](https://appshunter.io/developer/400872810) |

## What reviewers say

### PA ONE

[App page](https://appshunter.io/ios/app/pa-one/id1317171399)

**In-app purchases:** none


### Soliton Authenticator

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

**In-app purchases:** none


## Frequently asked questions

### Is PA ONE free?

PA ONE 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 PA ONE or Soliton Authenticator have ads?

Neither PA ONE nor Soliton Authenticator shows ads.

### Which is updated more often, PA ONE or Soliton Authenticator?

PA ONE ships an update every 2 months, and Soliton Authenticator every 5 months. Most recently, PA ONE was updated on September 10, 2026 and Soliton Authenticator on May 17, 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.*