HF Smart vs FriedrichLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HF Smart
Control your smart lighting fixtures with this intelligent lighting control application. Easily manage your lights for enhanced ambiance and convenience.
- Intelligent lighting control
- Control smart lighting fixtures
- Ambiance enhancement
- Convenient light management
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This app is an intelligent lighting control app that allows you to control smart lighting fixtures.
FriedrichLink
Control your Friedrich Kuhl and WallMaster air conditioners remotely via your smartphone. Enjoy personalized comfort and energy savings with intelligent scheduling and voice command options.
- Remote smartphone programming
- Voice command control
- Intelligent scheduling
- Personalized comfort
- Energy savings
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Designed for Friedrich Kuhl and WallMaster Room Air Conditioners to effortlessly control your indoor environment. Remote smartphone programming, voice commands, and intelligent scheduling options ensure personalized comfort and energy savings.
Screenshots
Verdict
The clearest difference is device support: HF Smart at 3 against FriedrichLink's 1. HF Smart also leads on iOS requirement (15.6 vs 17.0). On price, review sentiment, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.
HF Smart ships an update every 2 months, FriedrichLink every 5 weeks. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.
| Parameter | HF Smart | FriedrichLink |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (128 ratings) — better | — |
| Positive reviews | 13.8% of reviews — better | 6.6% of reviews |
| Number of ratings | 128 — better | — |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 21 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | 鉴深 徐 | Rheem Manufacturing Company |
Customer experience
HF Smart
FriedrichLink
User reviews
HF Smart
From 128 App Store ratingsWhat we love
- 👍 Works as intended
- 🚀 Easy pairing process
- 💡 Useful app functionality
Room to improve
- 🐛 App not working after updates
- 🐛 Pairing issues
- 🐛 Language settings not working
- 🐛 App not connecting to device
FriedrichLink
From App Store reviewsWhat we love
- 👍 Nice Interface
- 👍 Group feature is awesome
- 👍 It works!
Room to improve
- 🐛 App barely works
- 🐛 Slow response times
- 🐛 Frequent crashes
- 🐛 App gets stuck loading
- 🐛 Inaccurate temperature readings
Bugs and requests
HF Smart
Reported bugs
3 issues- App not responding after recent update
- Unable to change language settings
- Pairing process not working consistently
Requested features
3 requests- Improve pairing instructions
- Add dark mode option
- Provide better language support
FriedrichLink
Reported bugs
45 issues- Power button requires double press
- App reports inaccurate information due to sleep mode
- App crashes
- App takes a long time to turn off AC
- Forget changing thermostat
Show 40 moreShow fewer
- App crashes after making a change
- App spins and does nothing
- App says disconnected and won't reconnect after update
- Password field blocks '#' character
- App won't open
- Unit shows as disconnected
- App won't load
- App gets stuck loading
- Cannot put AC on schedule to turn off
- Cannot set fan level
- App hangs and nothing happens
- Error when setting schedule
- Cannot connect to WiFi
- Cannot add product to app
- Unable to login after reset/biometrics
- Login screen reverts after a few seconds
- App crashes on login
- Endless login loop
- App takes a minute to open and load ACs
- AC temperature not updated
- App spins when trying to turn on AC
- Displays wrong temperature
- Doesn't update settings
- Changing temperature takes 30 seconds or hangs
- App needs to be restarted every time it's opened
- Takes 10+ minutes to sync with AC units
- Wrong room temp and doesn't read weather
- Unable to open app due to login error
- App doesn't work after upgrade
- Cannot control AC at all after 3 days
- Cannot turn off AC
- Same error message as others stated
- Data in wrong format
- Previous app warning persists
- Slow responses
- Screen frequently sticks on spinning loading icon
- Cannot see temperature under finger when dragging
- Button stays greyed out when creating account
- Loading indicator freezes app
- Cannot connect to WiFi with ')' in name
Requested features
10 requests- Integrate Matter or HomeKit
- Add option to schedule turning off unit
- Improve app functionality and features
- Fix character restrictions in text fields
- Add option for unit to turn off after X hours
Show 5 moreShow fewer
- Make app work reliably
- Improve app design and user experience
- Allow control of AC remotely
- Fix scheduling function for Wallmaster
- Make app optimized for iPad
In-app purchases
HF Smart
No in-app purchases
FriedrichLink
No in-app purchases
