Comparison

Air Quality System (AQS) vs Haptic Pulse Timer

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

Head to head
About

Air Quality System (AQS)

Features
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The PrismaSense Air Quality System (in short AQS) is a mobile IOT application, designed to help the user monitor the air quality of an area. More specifically , the user will be able to connect to a number of devices which measure values such as temperature, humidity, carbon dioxide and volatile organic compounds. In order to use the application, the user needs to own an AQS device which can be configured from the application in order to measure and display data regarding an area's air quality.

About

Haptic Pulse Timer

Features
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Feel the time. Not the noise. Haptic Pulse Timer is a countdown timer that replaces loud alarms with silent vibration alerts. Set your duration, pick a haptic pattern, and let your phone do the rest โ€” quietly. Why haptic? In meetings, libraries, shared offices, or late at night โ€” there are moments when sound is not an option. Haptic Pulse Timer was designed for those moments. No beeps. No rings. Just a pulse. 4 vibration patterns - Steady โ€” a consistent, rhythmic pulse - Heartbeat โ€” a natural double-tap beat - Rapid โ€” fast bursts that demand attention - Gentle โ€” soft waves for a calm alert Tap any pattern to preview how it feels before starting your timer. Always visible Your countdown appears in the Dynamic Island and on your Lock Screen as a Live Activity. Glance at your phone, see the time left โ€” no need to unlock or open the app. Simple by design One screen. No accounts. No subscriptions. Set your time with + and โˆ’ controls, hold to adjust faster, hit Start, and go. Haptic Pulse Timer stays out of your way until it's time to alert you. Customizable alert duration Choose how long the vibration plays when your timer ends โ€” from 10 seconds up to continuous โ€” so you never miss it. Home screen widgets Small and medium widgets let you see your timer status at a glance without opening the app. Perfect for meditation, cooking, power naps, focus sessions, workouts, or any moment where silence matters. Four vibration patterns. Zero distractions.

Screenshots

Air Quality System (AQS)4 screens
Haptic Pulse Timer3 screens

Verdict

The call

The clearest difference is iOS requirement: Air Quality System (AQS) at 14.0 against Haptic Pulse Timer's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference ยท 5 level
Air Quality System (AQS) versus Haptic Pulse Timer: the parameters behind the verdict, then further details
ParameterAir Quality System (AQS)Haptic Pulse Timer
PriceFreeFree
Update frequencyโ€”Every 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS14.0 โ€” better17.0
Further details โ€” not scored
Size25 MB1 MB
Age rating17+4+
DeveloperPrisma Electronics SASYLVAIN RAMOUSSE

In-app purchases

None

Air Quality System (AQS)

No in-app purchases

None

Haptic Pulse Timer

No in-app purchases

Questions

Is Air Quality System (AQS) free?
Air Quality System (AQS) is free to download, with no in-app purchases.
Is Haptic Pulse Timer free?
Haptic Pulse Timer is free to download, with no in-app purchases.
Do Air Quality System (AQS) or Haptic Pulse Timer have ads?
Neither Air Quality System (AQS) nor Haptic Pulse Timer shows ads.

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