# レンタル専用在庫管理 ZAIKA vs 大車輪SaaS

The clearest difference is update cadence: レンタル専用在庫管理 ZAIKA at every 6 weeks against 大車輪SaaS's every 29 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.

レンタル専用在庫管理 ZAIKA ships an update every 6 weeks, 大車輪SaaS every 29 months. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | レンタル専用在庫管理 ZAIKA | 大車輪SaaS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 29 months |
| Size | 11 MB | 42 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TENT INC.](https://appshunter.io/developer/1438710550) | [SATO CORPORATION](https://appshunter.io/developer/528168978) |

## What reviewers say

### 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


### 大車輪SaaS

[App page](https://appshunter.io/ios/app/saas/id1538922059)

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 大車輪SaaS free?

大車輪SaaS is free to download, with no in-app purchases.

### Do レンタル専用在庫管理 ZAIKA or 大車輪SaaS have ads?

Neither レンタル専用在庫管理 ZAIKA nor 大車輪SaaS shows ads.

### Which is updated more often, レンタル専用在庫管理 ZAIKA or 大車輪SaaS?

レンタル専用在庫管理 ZAIKA ships an update every 6 weeks, and 大車輪SaaS every 29 months. Most recently, レンタル専用在庫管理 ZAIKA was updated on October 3, 2026 and 大車輪SaaS on October 10, 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.*