# do!bookⅡ vs 顧客管理CRMアプリ

The clearest difference is iOS requirement: do!bookⅡ at 9.0 against 顧客管理CRMアプリ's 15.0. 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.

do!bookⅡ ships an update every 2 months, 顧客管理CRMアプリ every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | do!bookⅡ | 顧客管理CRMアプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 21 MB | 113 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digital Office  Japan  Inc.](https://appshunter.io/developer/348581782) | [SOLID ADVANCE, INC](https://appshunter.io/developer/1508143079) |

## What reviewers say

### do!bookⅡ

[App page](https://appshunter.io/ios/app/dobook/id599472647)

**Features:** macOS Compatibility

**In-app purchases:** none


### 顧客管理CRMアプリ

[App page](https://appshunter.io/ios/app/crm-all-gather-smart/id1508143080)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is do!bookⅡ free?

do!bookⅡ is free to download, with no in-app purchases.

### Is 顧客管理CRMアプリ free?

顧客管理CRMアプリ is free to download, with no in-app purchases.

### Do do!bookⅡ or 顧客管理CRMアプリ have ads?

Neither do!bookⅡ nor 顧客管理CRMアプリ shows ads.

### Which is updated more often, do!bookⅡ or 顧客管理CRMアプリ?

do!bookⅡ ships an update every 2 months, and 顧客管理CRMアプリ every 3 months. Most recently, do!bookⅡ was updated on November 1, 2026 and 顧客管理CRMアプリ on November 3, 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.*