SmartCocoon vs CellMaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartCocoon
This app works with smart booster fans to provide intelligent climate control for your home. Manage and control individual room temperatures remotely via the app, or let the system automatically sync with your thermostat and furnace for optimal comfort.
- Smart booster fan integration
- Remote register control
- Automatic thermostat syncing
- Furnace synchronization
- App-based temperature management
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According to Statistics Canada, heating and cooling account for about 56% for a typical Canadian home. And as for the US, energy.gov reports this to be 48% for a typical US home, making it the largest energy expense for most homes. Smart Cocoon’s smart booster fans work with smart thermostats to bring true and smart climate control for homes. Our smart fans come with an app at allows the homeowner to manage and control each register, from wherever they are. Alternatively, the homeowner could setup the smart fan once and the device syncs itself with the thermostat and furnace to ensure the perfect temperature.
CellMaster
Explore detailed cell tower information with interactive maps and carrier search. Save favorite towers and view dynamic frequency data, even offline. Understand your mobile network coverage with intuitive tools.
- Interactive cell tower maps
- Carrier and frequency band search
- Save and organize favorite towers
- Dynamic frequency and antenna views
- Offline data access
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Discover the power of detailed cell tower data at your fingertips. Whether you’re checking coverage, exploring networks, or diving into spectrum details, this app makes it simple and intuitive. Features • Interactive Maps – Explore towers with detailed overlays and smooth navigation. • Carrier Search – Quickly find sites by carrier or frequency band. • Favourites – Save and organize the towers you care about most. • Dynamic Frequency Views – Instantly toggle between frequencies and antenna details. And more!!
Screenshots
Verdict
The clearest difference is rating: CellMaster at 5.0 against SmartCocoon's 2.0. CellMaster also leads on review sentiment (58% vs 20%). SmartCocoon's advantage is in-app purchases (none vs 1) and iOS requirement (16.4 vs 18.0). On price, ratings volume, 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. CellMaster sells 1 one-off in-app purchase. SmartCocoon asks for nothing beyond the download.
CellMaster holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews point the same way: 20% of SmartCocoon's written reviews are positive against 58% of CellMaster's.
SmartCocoon ships an update fortnightly, CellMaster every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | SmartCocoon | CellMaster |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (6 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 20.0% of reviews | 58.3% of reviews — better |
| Number of ratings | 6 — better | 4 |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 62 MB | 213 MB |
| Age rating | 4+ | 4+ |
| Developer | Smart Cocoon Inc | yoni gold |
Customer experience
SmartCocoon
CellMaster
Bugs and requests
SmartCocoon
Reported bugs
39 issues- App freezes when keyboard appears
- App does not send email link
- App freezes when adding a room
- App gets stuck too often
- App crashes while using
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- App loses connection regularly
- App refuses to connect to device
- App won't connect fan to WiFi
- App doesn't work
- App crashes on iPhone 12 and 13 Pro
- App crashes when trying to join WiFi
- App does not support current iOS screen sizes
- App crashes upon setup attempt
- App shuts off after entering network info
- App doesn't recognize schedules
- App doesn't report accurate temperature
- App lost data and cannot access it
- App hangs after saving fan power setting
- Schedule setting screen hard to navigate on iPhone
- App disconnects from WiFi weekly
- Device disappears from app
- Cannot connect to Nest thermostat
- App stops working, claims no internet connection
- Cannot set up, won't go past ID number screen
- App is buggy, unusable
- App keeps shutting off
- Timer limitation: cannot set end time beyond midnight
- Fan unpairs after a couple of days
- Cannot delete account
- Temperature measurement is off by 4-5 degC
- Room temperature shown is only for the main thermostat
- Room temperature never shown after a week, always in 'Learning Mode'
- Cannot schedule two modes on the same day
- App doesn't pull room sensor data from Ecobee's API
- App tries to estimate room temp differently and is off by 5 degrees
- AI learning is non-existent
- App doesn't work with fan, won't connect to 2.4 GHz
- App doesn't connect to 6 GHz routers, only 2.4 GHz
- App is horrible, cannot unlock product potential
Requested features
8 requests- Option to adjust fan speed in schedules
- Store settings for summer and winter
- Copy function for schedules
- Add Amazon Alexa/other smart device integration
- Ability to turn fan on without furnace running
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- See/set room temperature
- Improve setup process for adding devices
- Support for iOS 14 and up
CellMaster
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SmartCocoon
No in-app purchases
CellMaster
- Remove Ads$3.99
Questions
Is SmartCocoon free?
Is CellMaster free?
Which has better reviews, SmartCocoon or CellMaster?
Do SmartCocoon or CellMaster have ads?
Which is updated more often, SmartCocoon or CellMaster?
Other comparisons
