# DecoMailer4 〜 新しく生まれ変わったデコメーラー vs SIS Password Manager

DecoMailer4 〜 新しく生まれ変わったデコメーラー and SIS Password Manager both sit at 5.0 stars, but that hides the real split: 76% of SIS Password Manager's written reviews are positive against 20% of DecoMailer4 〜 新しく生まれ変わったデコメーラー's. SIS Password Manager also leads on update cadence (every 9 days vs every 4 weeks). DecoMailer4 〜 新しく生まれ変わったデコメーラー's advantage is in-app purchases (none vs 4) and iOS requirement (12.0 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. SIS Password Manager sells 4 in-app purchases, starting at $1.49 per month. DecoMailer4 〜 新しく生まれ変わったデコメーラー asks for nothing beyond the download.

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 SIS Password Manager. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 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 76% of SIS Password Manager's.

DecoMailer4 〜 新しく生まれ変わったデコメーラー ships an update every 4 weeks, SIS Password Manager every 9 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | DecoMailer4 〜 新しく生まれ変わったデコメーラー | SIS Password Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/decomailer4/id1064464358/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sis-password-manager/id1604337794/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 20.0% of reviews | **76.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 65 MB | 140 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [AWALKER co., Ltd](https://appshunter.io/developer/398950865) | [SISYOU.KUM](https://appshunter.io/developer/1604337796) |

## 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


### SIS Password Manager

[App page](https://appshunter.io/ios/app/sis-password-manager/id1604337794)

Securely manage all your passwords and sensitive data with military-grade encryption. Easily log in using biometrics and back up your information to the cloud for effortless restoration across devices. Offers extensive customization with over 12,000 icons.

**Highlights:** Military-grade AES 256-bit encryption, Biometric login (Touch ID/Face ID), Cloud backup and restore, Automatic password generator, Up to 3 IDs/passwords/images per record, Over 12,000 icon options, Dark mode support

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Automatic backup | $1.49 | per month |
| Auto-backup and cheer | $9.49 | per month |
| No advertisement mode | $2.99 | one-time |
| No ads. mode with cheer | $7.99 | one-time |


## 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 SIS Password Manager free?

SIS Password Manager is free to download, with in-app purchases available.

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

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

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

Both DecoMailer4 〜 新しく生まれ変わったデコメーラー and SIS Password Manager show ads.

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

DecoMailer4 〜 新しく生まれ変わったデコメーラー ships an update every 4 weeks, and SIS Password Manager every 9 days. Most recently, DecoMailer4 〜 新しく生まれ変わったデコメーラー was updated on October 24, 2026 and SIS Password Manager on October 22, 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.*