# FN Tuned vs SPRING CITY

The clearest difference is in-app purchases: SPRING CITY at none against FN Tuned's 2. FN Tuned's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. FN Tuned sells 2 in-app purchases, starting at $0.99 per month. SPRING CITY asks for nothing beyond the download.

FN Tuned ships an update every 3 weeks, SPRING CITY every 2 weeks. The most recent releases landed on November 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FN Tuned | SPRING CITY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (8 ratings)](https://appshunter.io/ios/app/fn-tuned/id1554995530/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 43 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vitalen Auto Performance Inc.](https://appshunter.io/developer/1358679851) | [Mayfer](https://appshunter.io/developer/1570986789) |

## What reviewers say

### FN Tuned

[App page](https://appshunter.io/ios/app/fn-tuned/id1554995530)

Enhance your vehicle's acceleration by eliminating electronic throttle lag. This app provides a quicker engine response, making your car feel more dynamic and powerful. Reclaim the responsiveness of older vehicles with modern technology.

**Highlights:** Eliminates throttle response delays, Improves engine acceleration, Restores responsive pedal feel, Modernizes older car performance, Offers anti-theft subscription

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Anti Theft Montly Subscription | $0.99 | per month |
| Anti Theft Annual Subscription | $9.99 | per year |


### SPRING CITY

[App page](https://appshunter.io/ios/app/spring-city/id6768359905)

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

**In-app purchases:** none


## Frequently asked questions

### Is FN Tuned free?

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

### Is SPRING CITY free?

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

### Do FN Tuned or SPRING CITY have ads?

Neither FN Tuned nor SPRING CITY shows ads.

### Which is updated more often, FN Tuned or SPRING CITY?

FN Tuned ships an update every 3 weeks, and SPRING CITY every 2 weeks. Most recently, FN Tuned was updated on November 7, 2026 and SPRING CITY on October 24, 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.*