# DecoMailer4 〜 新しく生まれ変わったデコメーラー vs スマートコインロッカーSPACER

The clearest difference is rating: DecoMailer4 〜 新しく生まれ変わったデコメーラー at 5.0 against スマートコインロッカーSPACER's 4.4. DecoMailer4 〜 新しく生まれ変わったデコメーラー also leads on review sentiment (20% vs 2%) and iOS requirement (12.0 vs 16.6). スマートコインロッカーSPACER's advantage is ads (none vs shown) and ratings volume (15 vs 1). On price, update cadence, 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.

DecoMailer4 〜 新しく生まれ変わったデコメーラー holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: スマートコインロッカーSPACER has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of DecoMailer4 〜 新しく生まれ変わったデコメーラー's written reviews are positive against 2% of スマートコインロッカーSPACER's.

DecoMailer4 〜 新しく生まれ変わったデコメーラー ships an update every 4 weeks, スマートコインロッカーSPACER every 6 weeks. Both last shipped on November 6, 2026.

## The numbers

| Metric | DecoMailer4 〜 新しく生まれ変わったデコメーラー | スマートコインロッカーSPACER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decomailer4/id1064464358/reviews)** | [4.4 (15 ratings)](https://appshunter.io/ios/app/spacer/id1200289673/reviews) |
| Number of ratings | 1 | **15** |
| Positive reviews | **20.0% of reviews** | 2.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 65 MB | 63 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [AWALKER co., Ltd](https://appshunter.io/developer/398950865) | [SPACER Co., Ltd.](https://appshunter.io/developer/1052521521) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### スマートコインロッカーSPACER

[App page](https://appshunter.io/ios/app/spacer/id1200289673)

This app allows you to send, store, and reserve smart coin lockers using your smartphone. Electronic keys can be sent and received via your phone, enabling seamless luggage exchange between users without direct contact. It aims to revolutionize logistics by facilitating convenient item transfers.

**Highlights:** Send, store, and reserve smart lockers, Smartphone-controlled electronic keys, Send and receive keys via app, Facilitates contactless item exchange, Supports EC proximity transactions, Future-proof logistics solution

**Features:** Vision Pro support

**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 スマートコインロッカーSPACER free?

スマートコインロッカーSPACER 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 スマートコインロッカーSPACER?

DecoMailer4 〜 新しく生まれ変わったデコメーラー is rated higher. DecoMailer4 〜 新しく生まれ変わったデコメーラー averages 5.0 out of 5 from 1 ratings, while スマートコインロッカーSPACER averages 4.4 from 15 ratings.

### Do DecoMailer4 〜 新しく生まれ変わったデコメーラー or スマートコインロッカーSPACER have ads?

DecoMailer4 〜 新しく生まれ変わったデコメーラー shows ads; スマートコインロッカーSPACER 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 スマートコインロッカーSPACER?

DecoMailer4 〜 新しく生まれ変わったデコメーラー ships an update every 4 weeks, and スマートコインロッカーSPACER every 6 weeks. Most recently, DecoMailer4 〜 新しく生まれ変わったデコメーラー was updated on November 6, 2026 and スマートコインロッカーSPACER on November 6, 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.*