# Convi.BASE 貸出し vs レンタル専用在庫管理 ZAIKA

The clearest difference is iOS requirement: レンタル専用在庫管理 ZAIKA at 13.0 against Convi.BASE 貸出し's 18.0. On price, update cadence, 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.

Convi.BASE 貸出し ships an update every 2 months, レンタル専用在庫管理 ZAIKA every 6 weeks. The most recent releases landed on September 6, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Convi.BASE 貸出し | レンタル専用在庫管理 ZAIKA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 31 MB | 11 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Convi.BASE Co., Ltd.](https://appshunter.io/developer/1748993468) | [TENT INC.](https://appshunter.io/developer/1438710550) |

## 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


### レンタル専用在庫管理 ZAIKA

[App page](https://appshunter.io/ios/app/zaika/id1504480493)

**Features:** macOS Compatibility

**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 レンタル専用在庫管理 ZAIKA free?

レンタル専用在庫管理 ZAIKA is free to download, with no in-app purchases.

### Do Convi.BASE 貸出し or レンタル専用在庫管理 ZAIKA have ads?

Neither Convi.BASE 貸出し nor レンタル専用在庫管理 ZAIKA shows ads.

### Which is updated more often, Convi.BASE 貸出し or レンタル専用在庫管理 ZAIKA?

Convi.BASE 貸出し ships an update every 2 months, and レンタル専用在庫管理 ZAIKA every 6 weeks. Most recently, Convi.BASE 貸出し was updated on September 6, 2026 and レンタル専用在庫管理 ZAIKA on September 16, 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.*