# Convi.BASE 貸出し vs Soliton Authenticator

The clearest difference is update cadence: Convi.BASE 貸出し at every 2 months against Soliton Authenticator's every 5 months. Soliton Authenticator's advantage is iOS requirement (16.0 vs 18.0). 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.

Convi.BASE 貸出し ships an update every 2 months, Soliton Authenticator every 5 months. The most recent releases landed on September 6, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Convi.BASE 貸出し | Soliton Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 31 MB | 11 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Convi.BASE Co., Ltd.](https://appshunter.io/developer/1748993468) | [Soliton Systems K.K.](https://appshunter.io/developer/400872810) |

## What reviewers say

### Convi.BASE 貸出し

[App page](https://appshunter.io/ios/app/convibase/id963669988)

**Features:** Vision Pro support

**In-app purchases:** none


### Soliton Authenticator

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

**In-app purchases:** none


## Frequently asked questions

### Is Convi.BASE 貸出し free?

Convi.BASE 貸出し 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 Convi.BASE 貸出し or Soliton Authenticator have ads?

Neither Convi.BASE 貸出し nor Soliton Authenticator shows ads.

### Which is updated more often, Convi.BASE 貸出し or Soliton Authenticator?

Convi.BASE 貸出し ships an update every 2 months, and Soliton Authenticator every 5 months. Most recently, Convi.BASE 貸出し was updated on September 6, 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.*