Quantum Mobility vs My POSH
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quantum Mobility
Reserve, unlock, and drive vehicles directly from your property using your phone. Book by the hour or day, find your car at a dedicated parking space, and return it when your trip is complete. Insurance is included with 24/7 availability.
- Reserve vehicles via phone
- Unlock and drive with your phone
- Hourly or daily bookings
- Dedicated onsite parking
- Insurance included
- 24/7 availability
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With Quantum’s carsharing platform, members can reserve, unlock, and drive vehicles directly from their property using only their phone. Book by the hour or day, find your car at a dedicated onsite parking space, and return it when your trip is complete. Available 24/7, with insurance included. How to get started: 1) Download the Quantum Mobility app 2) Enter your email to start new user registration 3) Complete registration, reserve and drive. Your phone is your key! ABOUT QUANTUM MOBILITY Driving the Future of Mobility, Quantum Mobility is a next-generation Mobility-as-a-Service (MaaS) platform redefining how people move. Our intelligent carsharing solution integrates seamlessly into residential communities, luxury hotels, and workplaces, delivering an exclusive, on-demand amenity. Vehicles are positioned on-site in dedicated parking spaces and can be reserved, unlocked, and driven instantly through the Quantum Mobility app. Experience the future of transportation - Carsharing as an Amenity.
My POSH
Access a luxury vehicle subscription service. Choose from a variety of cars, swap them anytime, and enjoy included maintenance, insurance, and roadside assistance. Sign up, select a plan, and get your chosen vehicle delivered.
- Luxury vehicle subscription
- Swap vehicles anytime
- Includes maintenance
- Includes insurance
- Roadside assistance
- Vehicle delivery
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You can choose any vehicle that is included in your subscription plan and return it or swap with a different vehicle anytime. Your subscription includes regular maintenance with zero out-of-pocket expenses as well as insurance and roadside assistance. How it works: 1) Create an account with your drivers license information. 2) Choose a subscription plan that includes the type of vehicles you like. 3) Decide how long you intend to keep the vehicle and set up your payment plan according (i.e. weekly, monthly etc) 4) That's all! You can pick up the vehicle or have it delivered to your doorstep. If you want to learn more visit us at https://poshcars.io
Screenshots
Verdict
The clearest difference is rating: Quantum Mobility at 4.9 against My POSH's 4.4. Quantum Mobility also leads on review sentiment (92% vs 75%) and ratings volume (52 vs 7). My POSH's advantage is iOS requirement (13.4 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.
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. Neither carries in-app purchases, so what you see is what you pay.
Quantum Mobility holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Quantum Mobility has 52 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 92% of Quantum Mobility's written reviews are positive against 75% of My POSH's.
Quantum Mobility ships an update every 9 days, My POSH weekly. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.
| Parameter | Quantum Mobility | My POSH |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (52 ratings) — better | 4.4 (7 ratings) |
| Positive reviews | 92.3% of reviews — better | 75.0% of reviews |
| Number of ratings | 52 — better | 7 |
| Update frequency | Every 9 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 87 MB | 39 MB |
| Age rating | 4+ | 17+ |
| Developer | Quantum Mobility, LLC | POSHIT INC. |
Customer experience
Quantum Mobility
My POSH
In-app purchases
Quantum Mobility
No in-app purchases
My POSH
No in-app purchases
