Comparison

iUMS Basic vs Synology Secure SignIn

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iUMS Basic

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
Read full description

iUMS for iPhone lets you remotely monitor and control your video security system over a Wi-Fi or 3G connection directly from your iPhone, iPad, or iPod Touch. Have peace of mind by keeping an eye on your home or business anytime from anywhere in the world. Compatibility iUMS for iPHone works with the following DVRs: N-Series, HD-Series, CM-Series, ND-Series, HD-Series, UH-Series, XD-Series, XK-Series, NH-Series, AF-Series, NT-Series, AT-Series, AP-Series, NV-Series, NP-Series, AN-Series It includes following functions. - View up to 16 cameras at one location. - Monitor multiple locations from one app. - View in portrait or landscape mode. - Digital zoom on full screen. - Max. 32 channels can be selected to display split screen. - Single or split screen display. (To change from split screen to full screen, just tap the display twice. Double tapping the display again returns to split screen.) - PTZ support. - Playback support.

About

Synology Secure SignIn

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
Read full description

**Synology NAS and a Synology account are required for this Application.** **DiskStation Manager 7.0 or above version with Synology Secure SignIn service enabled is required.** Synology Secure SignIn increases account security and offers two verification methods: Approve sign-in and verification code (OTP). Approve sign-in can be used to replace DSM password. For enhanced protection, use either method as the second sign-in step of 2-factor authentication.

Screenshots

iUMS Basic3 screens
Synology Secure SignIn3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
iUMS Basic versus Synology Secure SignIn: the parameters behind the verdict, then further details
ParameteriUMS BasicSynology Secure SignIn
PriceFreeFree
Rating1.9 (39 ratings)4.8 (8.4K ratings) — better
Positive reviews11.6% of reviews43.3% of reviews — better
Number of ratings398.4K — better
Update frequencyEvery 6 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS9.0 — better14.0
Further details — not scored
Size15 MB50 MB
Age rating4+4+
DeveloperNADATEL Co.,Ltd.Synology Inc.

Customer experience

iUMS Basic

All ratings39 ratings
Positive15.4%
Neutral10.3%
Negative74.4%
Written reviews181 reviews
Positive11.6%
Neutral8.3%
Negative80.1%

Synology Secure SignIn

All ratings8,434 ratings
Positive96.2%
Neutral1.4%
Negative2.4%
Written reviews164 reviews
Positive43.3%
Neutral11.6%
Negative45.1%

Bugs and requests

iUMS Basic

Not enough reviews yet to summarise bugs or requests.

Synology Secure SignIn

Reported bugs

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

Requested features

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

In-app purchases

None

iUMS Basic

No in-app purchases

None

Synology Secure SignIn

No in-app purchases

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.

Other comparisons