# DecoMailer4 〜 新しく生まれ変わったデコメーラー vs Unity Box

The clearest difference is ads: Unity Box at none against DecoMailer4 〜 新しく生まれ変わったデコメーラー's shown. Unity Box also leads on monetization model (free vs free with in-app purchases) and ratings volume (11 vs 1). DecoMailer4 〜 新しく生まれ変わったデコメーラー's advantage is iOS requirement (12.0 vs 14.0). On price, rating, update cadence 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.

On the App Store both sit at effectively the same score — 5.0 for DecoMailer4 〜 新しく生まれ変わったデコメーラー against 5.0 for Unity Box. That said, the two scores are not equally well evidenced: Unity Box has 11 ratings behind it against 1, so its average is the more settled of the two.

DecoMailer4 〜 新しく生まれ変わったデコメーラー ships an update every 4 weeks, Unity Box every 3 weeks. The most recent releases landed on August 21, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | DecoMailer4 〜 新しく生まれ変わったデコメーラー | Unity Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/decomailer4/id1064464358/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/unity-box/id1591091300/reviews) |
| Number of ratings | 1 | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 65 MB | 120 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [AWALKER co., Ltd](https://appshunter.io/developer/398950865) | [Stewart Holzkenner](https://appshunter.io/developer/1591091302) |

## What reviewers say

### DecoMailer4 〜 新しく生まれ変わったデコメーラー

[App page](https://appshunter.io/ios/app/decomailer4/id1064464358)

This app enhances email communication with animated GIFs and PNGs, advanced security features like Touch ID/Face ID, and quick reply options. It allows sending original image quality, customizing notifications, and downloading decorative elements from various websites for free.

**Highlights:** Send/receive animated GIFs and APNGs, Touch ID / Face ID app lock, Send original image quality regardless of carrier limits, Customize notification sounds and content per recipient, Free unlimited download of decorative materials, Blog posting integration

**In-app purchases:** none


### Unity Box

[App page](https://appshunter.io/ios/app/unity-box/id1591091300)

This app allows users to easily donate small amounts of money to charities digitally. It encourages consistent giving through streaks and badges, and tracks your impact alongside a global community of givers. Donations can be sent via Cash App or Venmo.

**Highlights:** Digital coin donations, Charity streaks and badges, Global community of givers, Donations to chosen charities, Track donation history, Support for Cash App and Venmo

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is DecoMailer4 〜 新しく生まれ変わったデコメーラー free?

DecoMailer4 〜 新しく生まれ変わったデコメーラー is free to download, with no in-app purchases.

### Is Unity Box free?

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

### Which has better reviews, DecoMailer4 〜 新しく生まれ変わったデコメーラー or Unity Box?

DecoMailer4 〜 新しく生まれ変わったデコメーラー and Unity Box are both rated 5.0 out of 5 on the App Store, from 1 and 11 ratings respectively.

### Do DecoMailer4 〜 新しく生まれ変わったデコメーラー or Unity Box have ads?

DecoMailer4 〜 新しく生まれ変わったデコメーラー shows ads; Unity Box does not.

### Which is updated more often, DecoMailer4 〜 新しく生まれ変わったデコメーラー or Unity Box?

DecoMailer4 〜 新しく生まれ変わったデコメーラー ships an update every 4 weeks, and Unity Box every 3 weeks. Most recently, DecoMailer4 〜 新しく生まれ変わったデコメーラー was updated on August 21, 2026 and Unity Box on June 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.*