Gear Calculator Plus vs Super Passwords
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gear Calculator Plus
Calculate a car's theoretical speed in any gear based on engine RPM, transmission, differential ratios, and tire size. It can also determine travel distance per engine revolution and estimate top speed for each gear. Supports both metric and imperial units.
- Calculate theoretical speed per gear
- Calculate travel distance per engine revolution
- Determine top speed for each gear
- Metric or Imperial units
- Universal app for iPhone and iPad
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Gear Ratio Speed Calculator. With the gear ratios of the transmission and differential, and the size of the tires, it becomes possible to calculate the speed of the car for a particular gear at a particular engine RPM. Features: Calculate theoretical speed for a car for each of its gear ratios. Calculate travel distance for each engine revolution. Use maximum RPM to figure top speed for each gear. Metric or Imperial units for selection. Universal app for both iPhone and iPad. Axle ratio are similar as Final Drive Ratio. If a car has less than 6 gears, only enter the ratios that apply. Note that you will get unreal speeds for overdrive gears. This is because in reality top speed is physically limited by it power or by aerodynamic drag. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
Super Passwords
Securely store and organize all your passwords in one place. This app syncs your data across devices, including your Apple Watch, for easy access. Quickly find and copy your credentials with favorite and quick action features.
- Cross-device data synchronization
- Apple Watch synchronization
- Favorite passwords
- Quick access to recent passwords
- One-tap password copying
- Simple and powerful organization
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Super Passwords is a simple but powerful password organizer. Syncs data across all of your devices. Synchronize your passwords with your Apple Watch. Mark passwords as favorites for quick access. Use quick actions to instantly access recently used passwords. Copy passwords with one tap to paste in another application.
Screenshots
Verdict
Gear Calculator Plus and Super Passwords both sit at 3.6 stars, but that hides the real split: 75% of Super Passwords's written reviews are positive against 0% of Gear Calculator Plus's. Super Passwords also leads on update cadence (every 12 months vs every 29 months) and price ($1.99 vs $2.99). Gear Calculator Plus's advantage is iOS requirement (13 vs 18.6). On rating, ratings volume, 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
Gear Calculator Plus costs $2.99 and Super Passwords $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Super Passwords holds the better App Store score, 3.8 against 3.6. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 0% of Gear Calculator Plus's written reviews are positive against 75% of Super Passwords's.
Gear Calculator Plus ships an update every 29 months, Super Passwords every 12 months. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.
| Parameter | Gear Calculator Plus | Super Passwords |
|---|---|---|
| Price | $2.99 | $1.99 — better |
| Rating | 3.6 (5 ratings) | 3.8 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 5 | 5 |
| Update frequency | Every 29 months | Every 12 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13 — better | 18.6 |
| Further details — not scored | ||
| Size | 1 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Nitrio | Howlin Interactive, Inc. |
Customer experience
Gear Calculator Plus
Super Passwords
In-app purchases
Gear Calculator Plus
No in-app purchases
Super Passwords
No in-app purchases
Questions
Is Gear Calculator Plus free?
Is Super Passwords free?
Which has better reviews, Gear Calculator Plus or Super Passwords?
Do Gear Calculator Plus or Super Passwords have ads?
Which is updated more often, Gear Calculator Plus or Super Passwords?
Other comparisons
