Comparison

Scent vs MET

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

Head to head
About

Scent

Control your smart fragrance diffuser from your phone. Personalize diffusion frequency and strength, and shop for new scents all from one app. Enhance your environment with custom aromatherapy.

Highlights
  • ON/OFF Control
  • Adjust diffusion frequency
  • Set diffusion strength
  • Shop for new fragrances
  • Bluetooth connectivity
Features
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Scent Australia Home invites you to invigorate your environment with the Smart Diffuser app. This application is a control device that allows you to personalise your fragrance diffusion desires from a single, centralised platform. Bluetooth connectivity allow you the luxury of total mobile compatibility. The following commands can be directed within the app: ON/OFF Control: Turning the diffuser on and off is made easy from the accessibility of your mobile device. FREQUENCY: Change the frequency of fragrance diffusion in set intervals. This includes the amount of time, and regularity of scent being administered within your space. This can be adapted with a simple click, allowing you to set the mood of your space with immediate ability. STRENGTH: Adapt the strength level of your diffusing mechanism, increasing and decreasing the level of aromatics when desired. SHOP: Grow your fragrance collection through the ordering tab. With this simple navigation, you can boost your mood enhancing collection with ease. Transcend your space with effortless ability, and dictate the spirit of the room with Scent.

About

MET

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* Capture NMEA 0183 sentences over Bluetooth and simply log the data onto your iPhone or iPad * Transfer data from your device to anyone and anywhere in the world. * Innovative app to replace handheld display & logging of wind, pressure, temperature, humidity, dew point, QNH, QFE, time, date, location & comments directly on your device. * The freedom to port data directly to a phone, tablet, or laptop. * Ensure to the end user, field work efficiencies and efficient way to manage and track data. MET-LINK FEATURES: * Bluetooth connection (wireless interface) with the latest MET-LINK wireless interface. * Automatic NMEA 0183 data logging. * Geo-location features. * Dynamic Graphic interface to access datasets & statistics. * Custom comment. * Pictures capability. * Easy export to your favorite application (Gmail, Email, Dropbox,โ€ฆ). * Log files with embedded location, time & date, comments & photos. * Log file record in Comma Delimited data Sentence. * Online support access. * To be used with Apple iOS 15.6 and above. * File management capability. MET-LINK MODULE FEATURES: * Fast and easy to use, wireless logging application for the MET-LINK wireless module. * Easy field-deployment. * Wide range of accessories. * Monitor battery charge for rechargeable Lithium-Ion battery (up to 5 hours operation). * Ensure connectivity with Bluetooth Module. * Smart Flashing 3-color indicator on Bluetooth Module. * Smart long term storage.

Screenshots

Scent4 screens
MET4 screens

Verdict

The call

The clearest difference is update cadence: Scent at every 2 months against MET's every 8 months. Scent also leads on iOS requirement (11.0 vs 15.6). 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.

UpkeepUpdate frequency

Scent ships an update every 2 months, MET every 8 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

Scorecard2 real differences ยท 6 level
Scent versus MET: the parameters behind the verdict, then further details
ParameterScentMET
PriceFreeFree
Positive reviews42.9% of reviewsโ€”
Update frequencyEvery 2 months โ€” betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS11.0 โ€” better15.6
Further details โ€” not scored
Size46 MB18 MB
Age rating4+4+
DeveloperScent AustraliaObservator Instruments Pty Ltd

In-app purchases

None

Scent

No in-app purchases

None

MET

No in-app purchases

Questions

Is Scent free?
Scent is free to download, with no in-app purchases.
Is MET free?
MET is free to download, with no in-app purchases.
Do Scent or MET have ads?
Neither Scent nor MET shows ads.
Which is updated more often, Scent or MET?
Scent ships an update every 2 months, and MET every 8 months. Most recently, Scent was updated on October 8, 2026 and MET on October 2, 2026.

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