# MM vs 事業e祕書

The clearest difference is iOS requirement: MM at 13.0 against 事業e祕書'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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MM | 事業e祕書 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 16 MB | 2 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Openfind Inc.](https://appshunter.io/developer/509471265) | [遠雄人壽](https://appshunter.io/developer/956750973) |

## What reviewers say

### MM

[App page](https://appshunter.io/ios/app/mm-mailcloud-messenger/id1045441241)

Enhance organizational communication and productivity with a business-grade messaging platform. It integrates text, voice, and group features with enterprise-level security and contact management.

**Highlights:** Text and voice messaging, Group chat with filtering, Enterprise contact integration, Business-grade security, Message tagging and categorization, Stickers and polling for collaboration

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

**In-app purchases:** none


### 事業e祕書

[App page](https://appshunter.io/ios/app/e/id6483759036)

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

**In-app purchases:** none


## Frequently asked questions

### Is MM free?

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

### Is 事業e祕書 free?

事業e祕書 is free to download, with no in-app purchases.

### Do MM or 事業e祕書 have ads?

Neither MM nor 事業e祕書 shows ads.

### Which is updated more often, MM or 事業e祕書?

MM ships an update every 2 months, and 事業e祕書 every 2 months. Most recently, MM was updated on October 9, 2026 and 事業e祕書 on October 8, 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.*