Percentage vs AutoTech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Percentage
This utility calculates proportions between two values expressed as percentages. It allows you to find any unknown value in a percentage equation, including percent increases or decreases.
- Calculate any percentage value
- Find percent increase
- Find percent decrease
- Supports iPhone and iPad
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This percentage calculator helps to find the proportion between two values expressed in percent. You can calculate any value in the percentage equation, just fix the one you want to have calculated. You can choose to calculate the percent increase or decrease between two values as well.
AutoTech
This automotive calculator provides quick computations for over 45 formulas across various vehicle systems. It supports both U.S. and metric units, making it a versatile tool for mechanics, technicians, and enthusiasts.
- 45+ automotive formulas
- Aerodynamics calculations
- Chassis calculations
- Drivetrain calculations
- Engine calculations
- Performance calculations
- Suspension calculations
- Tire calculations
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AutoTech is an automotive calculator that offers the mechanic, technician or enthusiast quick computation of 45+ formulas in the areas of aerodynamics, chassis, drivetrain, engine, performance, suspension, and tires. Supports both U.S. and metric units.
Screenshots
Verdict
The clearest difference is update cadence: Percentage at every 14 months against AutoTech's every 32 months. Percentage also leads on price ($0.99 vs $1.99). On ads, in-app purchases, monetization model and device support 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
Percentage costs $0.99 and AutoTech $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Percentage ships an update every 14 months, AutoTech every 32 months. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.
| Parameter | Percentage | AutoTech |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 14 months — better | Every 32 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Steven Clarner |
Customer experience
Percentage
AutoTech
In-app purchases
Percentage
No in-app purchases
AutoTech
No in-app purchases
Questions
Is Percentage free?
Is AutoTech free?
Do Percentage or AutoTech have ads?
Which is updated more often, Percentage or AutoTech?
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