# Synology MailPlus vs HIKBOX

The clearest difference is rating: HIKBOX at 4.5 against Synology MailPlus's 3.8. HIKBOX also leads on update cadence (every 6 weeks vs every 4 months) and iOS requirement (13 vs 17.0). Synology MailPlus's advantage is review sentiment (43% vs 17%). On price, ratings volume, 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.

HIKBOX holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 19 and 28 respectively. Written reviews complicate that: 43% of Synology MailPlus's written reviews are positive against 17% of HIKBOX's, so the app with the better star average is not the one people write more warmly about.

Synology MailPlus ships an update every 4 months, HIKBOX every 6 weeks. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Synology MailPlus | HIKBOX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (19 ratings)](https://appshunter.io/ios/app/synology-mailplus/id967913737/reviews) | **[4.5 (28 ratings)](https://appshunter.io/ios/app/hikbox/id6445837521/reviews)** |
| Number of ratings | 19 | **28** |
| Positive reviews | **42.5% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 100 MB | 272 MB |
| Requires iOS | 17.0 | **13** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Synology Inc.](https://appshunter.io/developer/321493109) | [武汉海康存储技术有限公司](https://appshunter.io/developer/1247717775) |

## What reviewers say

### Synology MailPlus

[App page](https://appshunter.io/ios/app/synology-mailplus/id967913737)

Manage your emails efficiently on mobile with intuitive swipe gestures and quick-reply templates. Organize messages, attach files, and search with advanced features. Requires a Synology NAS and MailPlus server.

**Highlights:** Swipe gestures for quick actions, Quick-reply templates, Compose and attach files, Create mailboxes and labels, Advanced search, Offline cache for attachments, Customizable unread badge

**Features:** Vision Pro support

**In-app purchases:** none


### HIKBOX

[App page](https://appshunter.io/ios/app/hikbox/id6445837521)

Securely back up and manage photos, videos, and other files from your smart storage device to your phone. Features auto-backup, intelligent picture recognition, and remote access from any device. Enjoy seamless file viewing, projection, and even video surveillance capabilities.

**Highlights:** Auto Backup and Classification, Deep Learning Picture Recognition, Remote Access Anytime, Anywhere, Offline File Caching, One-Touch Multimedia Projection, Video Surveillance and Recording, Baidu Netdisk Integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Synology MailPlus free?

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

### Is HIKBOX free?

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

### Which has better reviews, Synology MailPlus or HIKBOX?

HIKBOX is rated higher. Synology MailPlus averages 3.8 out of 5 from 19 ratings, while HIKBOX averages 4.5 from 28 ratings.

### Do Synology MailPlus or HIKBOX have ads?

Neither Synology MailPlus nor HIKBOX shows ads.

### Which is updated more often, Synology MailPlus or HIKBOX?

Synology MailPlus ships an update every 4 months, and HIKBOX every 6 weeks. Most recently, Synology MailPlus was updated on October 1, 2026 and HIKBOX on September 23, 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.*