DS finder vs FilterFresh
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DS finder
Easily set up and manage your Synology NAS directly from your phone. Receive important NAS notifications and access the Synology app ecosystem. Simplifies NAS management and setup, eliminating the need for complex computer-based configurations.
- NAS setup and management
- NAS-related notifications
- Access Synology apps
- Simplified mobile interface
- DSM installation support
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*You must own a Synology NAS to run this app, and be running the latest DSM 6.0 or above version to get the complete set of features.* DS finder allows you to set up and manage your Synology NAS, sends you NAS-related notifications, and opens your door to the world of Synology apps. And yes, all these features can be accessed directly from your phone, so wave goodbye to complicated setup and management with DS finder! ．DS finder only supports installing DSM on most models (rack mount models, desktop models of FS and XS series, and EDS14 excluded).
FilterFresh
Never forget to change your filters again. This app helps you track maintenance for various filters like HVAC, water, and air purifiers. Receive timely reminders and easily log completed maintenance to stay on top of your home and appliance upkeep.
- Filter tracking for HVAC, water, air purifiers, and more
- Customizable replacement and cleaning reminders
- Widget for quick filter status overview
- Log completed maintenance tasks
- Track various filter types
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When did you last change your filter? Most people don't know. Filter maintenance is a chore most people forget about, to the detriment of their homes, appliances, and more. Let FilterFresh be your filter guardian angel! Simply tell FilterFresh about your filters: HVAC, water, air purifier, humidifier, dehumidifier, engine, or whatever kind of filter or consumable you need to replace or clean on a regular basis. FilterFresh will remind you in advance when to replace or clean each one. Use the FilterFresh widget any time to get a quick overview of your filters' conditions. The only thing FilterFresh cannot do is perform the maintenance for you. You'll have to do that yourself! Remember to tell FilterFresh you did the maintenance, and FilterFresh will be there the next time to keep you on track. Terns & Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: FilterFresh at 84% against DS finder's 26%. FilterFresh also leads on rating (4.8 vs 2.6). DS finder's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, ratings volume and update cadence 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
Both are free to download. FilterFresh sells 5 in-app purchases, starting at $1.99 per month. DS finder asks for nothing beyond the download.
FilterFresh holds the better App Store score, 4.8 against 2.6. Both are backed by a comparable volume of ratings — 122 and 173 respectively. Written reviews point the same way: 26% of DS finder's written reviews are positive against 84% of FilterFresh's.
DS finder ships an update every 4 months, FilterFresh every 3 months. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.
| Parameter | DS finder | FilterFresh |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (122 ratings) | 4.8 (173 ratings) — better |
| Positive reviews | 25.5% of reviews | 84.0% of reviews — better |
| Number of ratings | 122 | 173 — better |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 69 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Synology Inc. | Hawk iMedia |
Customer experience
DS finder
FilterFresh
Bugs and requests
DS finder
Reported bugs
20 issues- Server unreachable error with DDNS connections
- 400 Bad Request HTTP/HTTPS port mismatch
- App fails to detect devices on network
- 2FA causes cryptic login errors
- Wake-on-LAN crashes the app
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- App crashes on iPhone launch
- Desktop mode zoom gets stuck after text field input
- Desktop mode windows cannot be resized or moved
- Package Center window scaling issues
- Notifications crash the app when accessed
- Face ID authentication causes connection failures after 24-48 hours
- Invalid password errors despite correct credentials
- Push notifications not received
- App forgets configured devices after updates
- DSM Mobile displays 'connection is not private' error
- Quick Connect verification requests fail or hang indefinitely
- Setup wizard incompatible with Safari browser
- Setup windows don't scale properly
- Password manager integration issues during registration
- Slow login with no error indication
Requested features
17 requests- Dark mode support
- Two-factor authentication (2FA) support
- Landscape mode for iPad
- Siri Shortcuts integration
- Wake-on-LAN over internet
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- CPU and RAM usage monitoring
- Network activity and connected users display
- System logs viewing capability
- Remote package installation and management
- Ability to mount encrypted shared folders
- Mobile-friendly views for File Station, Video Station, Audio Station, Package Center
- Improved notification management and clearing
- VPN toggle functionality
- Ability to add multiple devices with same IP on different ports
- Better zoom and pan controls in desktop mode
- IPv6 support with port specification
- Landscape mode support on iPhone
FilterFresh
Not enough reviews yet to summarise bugs or requests.
In-app purchases
DS finder
No in-app purchases
FilterFresh
- Monthly Subscription$1.991 Month
- Annual Subscription$14.991 Year
- 3 Months$2.99
- 6 Months$5.99
- 12 Months$11.99
