Comparison

Notifya vs Sonic Motion

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

Head to head
About

Notifya

Features
Read full description

DETECT - ALERT - PROTECT Notifya is the is the world’s first app that has the ability to reliably detect the opening of a door by using your device’s 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 aren’t 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 don’t 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 you’d 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.

About

Sonic Motion

Features
Read full description

Sonic Motion is an app that converts the values from the accelerometer, gravity, and rotation sensors into sound in real time. It plays sounds with a soft or hard tone depending on whether the sensor values are positive or negative. Select the motion of the X, Y, or Z axis and experience movement as sound!

Screenshots

Notifya3 screens
Sonic Motion1 screens

Verdict

The call

The clearest difference is in-app purchases: Sonic Motion at none against Notifya's 2. On price, update cadence, 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Notifya sells 2 one-off in-app purchases. Sonic Motion asks for nothing beyond the download.

UpkeepUpdate frequency

Notifya ships an update every 30 months, Sonic Motion every 15 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

Scorecard1 real difference Β· 5 level
Notifya versus Sonic Motion: the parameters behind the verdict, then further details
ParameterNotifyaSonic Motion
PriceFreeFree
Update frequencyEvery 30 monthsEvery 15 months β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS15.615.0 β€” better
Further details β€” not scored
Size13 MB1 MB
Age rating4+4+
DeveloperSUPERSENSEYoshiyuki Koyanagi

In-app purchases

2 purchases

Notifya

One-time2
  • Notifya Premium$0.99
  • Testing unlock$7.99
None

Sonic Motion

No in-app purchases

Questions

Is Notifya free?
Notifya is free to download, with in-app purchases available.
Is Sonic Motion free?
Sonic Motion is free to download, with no in-app purchases.
Do Notifya or Sonic Motion have ads?
Neither Notifya nor Sonic Motion shows ads.
Which is updated more often, Notifya or Sonic Motion?
Notifya ships an update every 30 months, and Sonic Motion every 15 months. Most recently, Notifya was updated on November 7, 2026 and Sonic Motion on November 8, 2026.

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