Cellular Alarm Contact Sensor vs Notifya
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Cellular Alarm Contact Sensor
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Cellular alarm contact sensor with power monitoring allows you to monitor any doors, windows, gates, trailer and many more. Get notified via SMS or email when the sensor is triggered or when power loss is detected.
Notifya
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DETECT - ALERT - PROTECT Notifya is the is the worldβs first app that has the ability to reliably detect the opening of a door by using your deviceβs sensor to monitor the pressure wave that opening a door causes, and can do so even with background noise such as music or TV. Want to know exactly when or how many times your door is opened? Need to know when a customer has came in? Want make sure children arenβt opening doors? Well Notifya can keep a 24 hour ear out for you and alert you each time a door is opened or shut. No more sleepless nights. No more missing a delivery! Not with Notifya. You donβt need any special setup or positioning. Your device can be hidden out of sight, allowing you to monitor your entrance without risking the device being interfered with. FEATURES: - Reliably detect doors opening, even throughout a whole house! - Works on most smartphone models - Alerts are logged with time, date and signal strength - Notifya Pro users can sync multiple devices and receive alerts on remote devices - Simple and easy to use PRIVACY: No audio is permanently recorded or stored anywhere. Period. Notifya analyses audio in real time and no personal information is ever gathered. UPGRADE: If youβd like to remove ads, add other devices, and unlock more features, you can upgrade to Notifya Pro within the app with a simple, one-off purchase.
Screenshots
Verdict
The clearest difference is in-app purchases: Cellular Alarm Contact Sensor at none against Notifya's 2. Cellular Alarm Contact Sensor also leads on update cadence (every 3 weeks vs every 30 months) and iOS requirement (13.4 vs 15.6). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Notifya sells 2 one-off in-app purchases. Cellular Alarm Contact Sensor asks for nothing beyond the download.
Cellular Alarm Contact Sensor ships an update every 3 weeks, Notifya every 30 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.
| Parameter | Cellular Alarm Contact Sensor | Notifya |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks β better | Every 30 months |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 β better | 15.6 |
| Further details β not scored | ||
| Size | 2 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Robert Taraszka | SUPERSENSE |
In-app purchases
Cellular Alarm Contact Sensor
No in-app purchases
Notifya
- Notifya Premium$0.99
- Testing unlock$7.99
Questions
Is Cellular Alarm Contact Sensor free?
Is Notifya free?
Do Cellular Alarm Contact Sensor or Notifya have ads?
Which is updated more often, Cellular Alarm Contact Sensor or Notifya?
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