# iUMS Basic vs Synology Secure SignIn

The clearest difference is rating: Synology Secure SignIn at 4.8 against iUMS Basic's 1.9. Synology Secure SignIn also leads on review sentiment (43% vs 12%) and ratings volume (8.4K vs 39). iUMS Basic's advantage is update cadence (every 6 weeks vs every 6 months) and iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Synology Secure SignIn holds the better App Store score, 4.8 against 1.9. That said, the two scores are not equally well evidenced: Synology Secure SignIn has 8.4K ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 12% of iUMS Basic's written reviews are positive against 43% of Synology Secure SignIn's.

iUMS Basic ships an update every 6 weeks, Synology Secure SignIn every 6 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | iUMS Basic | Synology Secure SignIn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (39 ratings)](https://appshunter.io/ios/app/iums-basic/id397720610/reviews) | **[4.8 (8.4K ratings)](https://appshunter.io/ios/app/synology-secure-signin/id1513105891/reviews)** |
| Number of ratings | 39 | **8.4K** |
| Positive reviews | 11.6% of reviews | **43.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 15 MB | 50 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [NADATEL Co.,Ltd.](https://appshunter.io/developer/397619224) | [Synology Inc.](https://appshunter.io/developer/321493109) |

## What reviewers say

### iUMS Basic

[App page](https://appshunter.io/ios/app/iums-basic/id397720610)

Remotely monitor and control your video security system from your iPhone, iPad, or iPod Touch. Keep an eye on your home or business from anywhere in the world, viewing up to 16 cameras at a single location or multiple locations simultaneously.

**Highlights:** Remote monitoring and control, View up to 16 cameras, Monitor multiple locations, Portrait and landscape modes, Digital zoom, PTZ support, Playback support

**Features:** macOS Compatibility

**In-app purchases:** none


### Synology Secure SignIn

[App page](https://appshunter.io/ios/app/synology-secure-signin/id1513105891)

Enhance your account security with two-factor authentication.  Approve sign-in requests or use verification codes to protect your Synology NAS and account.  It can even replace your password for a more streamlined yet secure login experience.

**Highlights:** Two-factor authentication, Approve sign-in requests, Verification code (OTP), Password replacement, Enhanced account security

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient and reliable
- 🔒 Secure authentication
- 👍 Easy to use
- 💡 Innovative security features

**What reviewers complain about**

- 🐛 Inconsistent performance
- 🔒 Lack of biometric security
- 👎 Poor user experience
- 🔋 Slow push notifications

**Reported bugs**

- Approval requests not showing up
- OTP codes not working as expected
- Incompatibility with some DSM versions
- Unreliable login process

**Requested features**

- Add Face/Touch ID validation
- Improve Apple Watch integration
- Implement search/grouping for OTP codes
- Enhance multi-device synchronization


## Frequently asked questions

### Is iUMS Basic free?

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

### Is Synology Secure SignIn free?

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

### Which has better reviews, iUMS Basic or Synology Secure SignIn?

Synology Secure SignIn is rated higher. iUMS Basic averages 1.9 out of 5 from 39 ratings, while Synology Secure SignIn averages 4.8 from 8.4K ratings.

### Do iUMS Basic or Synology Secure SignIn have ads?

Neither iUMS Basic nor Synology Secure SignIn shows ads.

### Which is updated more often, iUMS Basic or Synology Secure SignIn?

iUMS Basic ships an update every 6 weeks, and Synology Secure SignIn every 6 months. Most recently, iUMS Basic was updated on October 7, 2026 and Synology Secure SignIn on October 14, 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.*