# OPTiM Biz vs Convi.BASE 棚卸し

The clearest difference is update cadence: Convi.BASE 棚卸し at every 6 weeks against OPTiM Biz's every 4 months. OPTiM Biz's advantage is iOS requirement (15.0 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.

OPTiM Biz ships an update every 4 months, Convi.BASE 棚卸し every 6 weeks. The most recent releases landed on September 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | OPTiM Biz | Convi.BASE 棚卸し |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 18 MB | 20 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OPTiM Corporation](https://appshunter.io/developer/484555009) | [Convi.BASE Co., Ltd.](https://appshunter.io/developer/1748993468) |

## What reviewers say

### OPTiM Biz

[App page](https://appshunter.io/ios/app/optim-biz/id484555006)

**In-app purchases:** none


### Convi.BASE 棚卸し

[App page](https://appshunter.io/ios/app/convibase/id976428816)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OPTiM Biz free?

OPTiM Biz is free to download, with no in-app purchases.

### Is Convi.BASE 棚卸し free?

Convi.BASE 棚卸し is free to download, with no in-app purchases.

### Do OPTiM Biz or Convi.BASE 棚卸し have ads?

Neither OPTiM Biz nor Convi.BASE 棚卸し shows ads.

### Which is updated more often, OPTiM Biz or Convi.BASE 棚卸し?

OPTiM Biz ships an update every 4 months, and Convi.BASE 棚卸し every 6 weeks. Most recently, OPTiM Biz was updated on September 8, 2026 and Convi.BASE 棚卸し on September 15, 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.*