# myMail box vs KeepBy

The clearest difference is in-app purchases: myMail box at none against KeepBy's 3. myMail box also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). KeepBy's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. KeepBy sells 3 in-app purchases, starting at $3.99 per month. myMail box asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 25, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | myMail box | KeepBy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (18K ratings)](https://appshunter.io/ios/app/mymail-box-email-client-app/id722120997/reviews)** | — |
| Number of ratings | **18K** | — |
| Positive reviews | 46.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 272 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IT CENTURY21](https://appshunter.io/developer/1842851648) | [kosuke konuma](https://appshunter.io/developer/1767116232) |

## What reviewers say

### myMail box

[App page](https://appshunter.io/ios/app/mymail-box-email-client-app/id722120997)

Consolidate and manage multiple email accounts from various providers in a single, user-friendly interface. Enjoy customizable notifications, enhanced security features, and efficient search capabilities to streamline your communication.

**Highlights:** Unified inbox for multiple email accounts, Customizable push notifications, Email thread view, Smart search with filters, PIN lock and Touch ID support, Contact suggestions

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 🚀 Organized and better than Gmail and Outlook
- 👍 So easy to use and keep all my files organized
- 🚀 Super fast and efficient
- 👍 Wonderful mail app, love it
- 👍 Great mail app, easy to use

**What reviewers complain about**

- 🐛 Unable to send email or save draft on iPad
- 🐛 Filters not working, lost customization
- 🐛 Keeps logging out of accounts, can't log back in
- 🐛 Unreliable, emails not loading or syncing properly
- 🐛 Constant login issues, app freezes and crashes

**Reported bugs**

- Authentication issues, can't log in to accounts
- Emails not syncing or showing up in the app
- Constant sign-outs and login problems
- Notifications not working properly

**Requested features**

- Unified inbox for all accounts
- Ability to customize folder order
- Option to disable 'undo delete' feature
- Dark mode or customizable themes
- Better search functionality


### KeepBy

[App page](https://appshunter.io/ios/app/keepby-expiry-tracker/id6784987875)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Monthly | $3.99 | per month |
| Pro — Yearly | $19.99 | per year |
| Pro — Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is myMail box free?

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

### Is KeepBy free?

KeepBy is free to download, with in-app purchases available.

### Do myMail box or KeepBy have ads?

myMail box shows ads; KeepBy does not.

### Which is updated more often, myMail box or KeepBy?

myMail box ships an update weekly, and KeepBy weekly. Most recently, myMail box was updated on October 25, 2026 and KeepBy on October 4, 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.*