# Percentage vs AutoTech

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.

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.

## The numbers

| Metric | Percentage | AutoTech |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/percentage/id336918440/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 32 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 2 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Steven Clarner](https://appshunter.io/developer/410979939) |

## What reviewers say

### Percentage

[App page](https://appshunter.io/ios/app/percentage/id336918440)

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.

**Highlights:** Calculate any percentage value, Find percent increase, Find percent decrease, Supports iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### AutoTech

[App page](https://appshunter.io/ios/app/autotech/id410979934)

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.

**Highlights:** 45+ automotive formulas, Aerodynamics calculations, Chassis calculations, Drivetrain calculations, Engine calculations, Performance calculations, Suspension calculations, Tire calculations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Percentage free?

Percentage costs $0.99, with no in-app purchases.

### Is AutoTech free?

AutoTech costs $1.99, with no in-app purchases.

### Do Percentage or AutoTech have ads?

Neither Percentage nor AutoTech shows ads.

### Which is updated more often, Percentage or AutoTech?

Percentage ships an update every 14 months, and AutoTech every 32 months. Most recently, Percentage was updated on September 20, 2026 and AutoTech on September 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*