Comparison

DS cam vs Memory Roulette

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

Head to head
About

DS cam

Monitor and receive alerts from your Synology surveillance cameras. Control PTZ, patrols, and lens functions in real-time. Easily filter recordings and manage essential tasks like disabling cameras or deleting snapshots.

Highlights
  • Real-time camera monitoring
  • Alert notifications
  • PTZ, patrol, and lens control
  • Advanced recording filters
  • Essential management tasks
  • Snapshot management
Features
Read full description

You must own a Synology NAS or NVR to run this app, and be running the latest Surveillance Station to get the complete set of features. DS cam makes it possible to monitor and receive alert notifications from all your surveillance cameras set up on a Synology DiskStation. Smart features such as PTZ, patrols or lens control allow for perfect control of your cameras in real-time, while advanced filters make it easy to pinpoint any specific event from large lists of recordings. You can even perform all essential management tasks, from disabling a camera to unlocking and deleting a snapshot. Find all detailed features about the app on our website: www.synology.com > Solutions > Surveillance > Surveillance Mobile > Specifications https://www.synology.com/dsm/7.2/software_spec/surveillance_station

About

Memory Roulette

Transform your cluttered camera roll into a curated collection of cherished memories. This app gamifies photo organization, offering daily surprise selections for quick review and decluttering. Rediscover forgotten moments and enjoy a cleaner, more meaningful photo library.

Highlights
  • Daily surprise photo crates
  • 3-second swipe review (Favorite, Share, Delete)
  • Gamified photo decluttering
  • Unlimited draws with premium
  • Customizable roulette filters (year, location, type)
  • Rediscover forgotten memories
Features
Read full description

This application adheres to the Apple Standard End User License Agreement (EULA). For detailed terms, please refer to: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - STOP PHOTO CLUTTER. START REDISCOVERING YOUR PAST. Who has the time to organize a camera roll with thousands of forgotten photos? They just sit there, wasting storage and hiding the memories that truly matter. Memory Roulette turns organization into a fun, quick, and rewarding daily habit. No more stressful scrolling—just pure nostalgia and easy decluttering. - How it Works: Your Daily Memory Spin We gamify your cleanup process by turning photo management into a surprise draw: The Daily Crate: Get a surprise 'Crate' of 5 random photos or videos you haven't seen in months. It's like opening a digital time capsule. 3-Second Curator: Review each moment instantly and swipe to decide: Favorite, Share, or Delete. Do it during your coffee break, waiting in line, or before bed. Relive the Joy: Rediscover those funny, blurry, and forgotten moments—from your pet’s first great escape to the best slice of pizza you ever ate. - Go Premium: Unlock Full Control Ready for a deep clean? Upgrade to unlock our most powerful tools: Unlimited Draws: Clean up your entire photo library at your own pace. Custom Roulette Rules: Filter the Crate content by year, location, or type (e.g., "Only show me photos from last summer’s trip to Japan"). Download Memory Roulette now and turn your messy camera roll back into a beautiful collection of memories.

Screenshots

DS cam4 screens
Memory Roulette4 screens

Verdict

The call

The clearest difference is review sentiment: Memory Roulette at 100% against DS cam's 32%. Memory Roulette also leads on rating (5.0 vs 3.0) and update cadence (every 4 days vs every 4 months). DS cam's advantage is in-app purchases (none vs 3) and ratings volume (172 vs 1). On price, ads, device support and iOS requirement 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. Memory Roulette sells 3 in-app purchases, starting at $5.99 per month. DS cam asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Memory Roulette holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: DS cam has 172 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 32% of DS cam's written reviews are positive against 100% of Memory Roulette's.

UpkeepUpdate frequency

DS cam ships an update every 4 months, Memory Roulette every 4 days. The most recent releases landed on September 24, 2026 and August 14, 2026 respectively.

Scorecard6 real differences · 4 level
DS cam versus Memory Roulette: the parameters behind the verdict, then further details
ParameterDS camMemory Roulette
PriceFreeFree
Rating3.0 (172 ratings)5.0 (1 ratings) — better
Positive reviews31.8% of reviews100.0% of reviews — better
Number of ratings172 — better1
Update frequencyEvery 4 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size85 MB37 MB
Age rating4+4+
DeveloperSynology Inc.志文 李

Customer experience

DS cam

All ratings172 ratings
Positive41.3%
Neutral14.0%
Negative44.8%
Written reviews283 reviews
Positive31.8%
Neutral18.0%
Negative50.2%

Memory Roulette

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

DS cam

Reported bugs

16 issues
  • Regular app crashing
  • Cannot scroll back in timeline without issues
  • Event viewer rarely works
  • Keeps buffering
  • Crashes constantly
Show 11 more
  • Battery drain
  • Push notifications not reliable
  • Cannot click on push notifications
  • Cannot download h265 videos
  • Notifications missing thumbnails
  • Slow login process
  • Loses remembered connections
  • Slow to connect
  • Notifications stopped working
  • Crashes iPhone 14 Pro
  • Incompatible with older Surveillance Station versions

Requested features

11 requests
  • Selective motion notifications
  • Custom notification sounds
  • Ability to categorize alerts
  • Live scrubbing on timeline
  • Bookmarks and advanced filtering
Show 6 more
  • Ability to download h265 videos
  • Faster login process
  • Ability to retain remembered connections
  • Apple TV app
  • Dark mode for all screens
  • Ability to quickly switch between cameras

Memory Roulette

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

DS cam

No in-app purchases

3 purchases

Memory Roulette

Subscriptions2
  • Monthly Subscription$5.991 Month
  • Yearly Subscription$49.991 Year
One-time1
  • lifetime$39.99

Questions

Is DS cam free?
DS cam is free to download, with no in-app purchases.
Is Memory Roulette free?
Memory Roulette is free to download, with in-app purchases available.
Which has better reviews, DS cam or Memory Roulette?
Memory Roulette is rated higher. DS cam averages 3.0 out of 5 from 172 ratings, while Memory Roulette averages 5.0 from 1 ratings.
Do DS cam or Memory Roulette have ads?
Neither DS cam nor Memory Roulette shows ads.
Which is updated more often, DS cam or Memory Roulette?
DS cam ships an update every 4 months, and Memory Roulette every 4 days. Most recently, DS cam was updated on September 24, 2026 and Memory Roulette on August 14, 2026.

Other comparisons