# AutoTech vs Partsbond

The clearest difference is price: Partsbond at Free against AutoTech's $1.99. Partsbond also leads on update cadence (every 2 months vs every 32 months). AutoTech's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Partsbond is free to download; AutoTech costs $1.99 up front. Partsbond sells 2 one-off in-app purchases. AutoTech asks for nothing beyond the download.

AutoTech ships an update every 32 months, Partsbond every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AutoTech | Partsbond |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 2 MB | 99 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Steven Clarner](https://appshunter.io/developer/410979939) | [杭州云汽配配科技有限公司](https://appshunter.io/developer/1210603872) |

## What reviewers say

### 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


### Partsbond

[App page](https://appshunter.io/ios/app/partsbond/id1542314481)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly membership | $59.99 | one-time |
| Yearly membership | $599.99 | one-time |


## Frequently asked questions

### Is AutoTech free?

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

### Is Partsbond free?

Partsbond is free to download, with in-app purchases available.

### Do AutoTech or Partsbond have ads?

Neither AutoTech nor Partsbond shows ads.

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

AutoTech ships an update every 32 months, and Partsbond every 2 months. Most recently, AutoTech was updated on November 1, 2026 and Partsbond on November 3, 2026.

---

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