# GPSP vs AutoMod Pro

The clearest difference is price: GPSP at Free against AutoMod Pro's $0.99. GPSP also leads on in-app purchases (none vs 3) and iOS requirement (9.0 vs 16.0). AutoMod Pro's advantage is update cadence (every 3 weeks vs every 2 months). On ads and device support there is nothing between them.

GPSP is free to download; AutoMod Pro costs $0.99 up front. AutoMod Pro sells 3 in-app purchases, starting at $0.99 per month. GPSP asks for nothing beyond the download.

GPSP ships an update every 2 months, AutoMod Pro every 3 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | GPSP | AutoMod Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/automod-pro/id6737517778/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 48 MB | 2 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [雷 陈](https://appshunter.io/developer/1771759163) |

## What reviewers say

### GPSP

[App page](https://appshunter.io/ios/app/gpsp-m10/id1586074093)

**Features:** macOS Compatibility

**In-app purchases:** none


### AutoMod Pro

[App page](https://appshunter.io/ios/app/automod-pro/id6737517778)

Calculate optimal wheel and tire fitment for your vehicle, and customize gear ratios for performance. This tool helps car enthusiasts make informed modification decisions to improve track day performance and avoid costly errors.

**Highlights:** Wheel fitment calculator, Tire fitment calculator, Gear ratio calculator, Performance optimization, Informed upgrade decisions

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $4.99 | per year |
| Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is GPSP free?

GPSP is free to download, with no in-app purchases.

### Is AutoMod Pro free?

AutoMod Pro costs $0.99, and also offers in-app purchases.

### Do GPSP or AutoMod Pro have ads?

Neither GPSP nor AutoMod Pro shows ads.

### Which is updated more often, GPSP or AutoMod Pro?

GPSP ships an update every 2 months, and AutoMod Pro every 3 weeks. Most recently, GPSP was updated on November 7, 2026 and AutoMod Pro on November 8, 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.*