MultiSync vs AQL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MultiSync
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Michelin MultiSync is about leveraging all the potential of Michelin connected tires. The free version of the app lets you: - Check your vehicle tires’ pressure and temperature (including its spares if any), through the display of immediate values received in Bluetooth by your smartphone. - Share your vehicle with others, in case you're not the only one driving it. Subscription plans are also available to: - Remotely access to last pressure and temperature measurements gathered by any other user of MultiSync in your vicinity. - Be warned if your vehicle tires’ pressure (including its spares if any) is too low or leaking. - Display your vehicle tires’ pressure and temperature in a time-series fashion. - Get lap time measurement in sport track usage conditions. https://iot.michelin.com/documents/MultiSync%20Terms%20of%20use.html
AQL
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AQL - aquarium log is a tank management tool - be it your private aquariums or those created for clients and companies. In the basic version of AQL you can: - add your one main tank - save the results of water parameters measurements - keep a record of water changes - track water temperature changes - add livestock of your tank - note when and what you feed and nourish your fish - keep a diary of diseases and treatments taken - add types of plants that grow in your aquarium - keep an eye on the lighting used in the tank (power, color, lighting duration) - save the fertilizers used - follow the possible development of algae - view entries in the history. In addition, for your convenience, you can also change the unit system (metric, US, UK) and temperature scale. After purchasing the PRO version you can additionally: - create more tanks (an ideal option for true enthusiasts and people/companies who manage aquariums professionally) - manage water parameters (hide unused ones) for greater clarity - view the history of entries in a convenient way using the calendar preview. - add more than one filter to the inventory tab - add media to filters, specifying their capacity and price, - have access to lighting, assign it to specific tanks, manage their lighting time and track their lifespan Basically, everything you need to take care of your aquarium and its inhabitants in the best way is right here. Oh, and keep an eye on our updates, because there's much more to come!
Screenshots
Verdict
MultiSync and AQL are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. MultiSync sells 4 in-app purchases, starting at $2.99 per month and AQL sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on August 17, 2026 and September 1, 2026 respectively.
| Parameter | MultiSync | AQL |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 69 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Michelin | IDEVO Marcin Kedra |
In-app purchases
MultiSync
- Pressure Monitoring - Monthly$2.991 Month
- My Tire Engineer - Monthly2 Months trial$3.991 Month
- Pressure Monitoring - Yearly$29.991 Year
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- My Tire Engineer - Yearly2 Months trial$44.991 Year
AQL
- AQL PRO$3.99








