# ShiftPower vs SouCAC

The clearest difference is in-app purchases: ShiftPower at none against SouCAC's 3. ShiftPower also leads on device support (4 vs 2). SouCAC's advantage is ads (none vs shown) and update cadence (every 5 days vs every 2 weeks). On price and iOS requirement there is nothing between them.

Both are free to download. SouCAC sells 3 in-app purchases, starting at $0.99 per month. ShiftPower asks for nothing beyond the download.

ShiftPower ships an update every 2 weeks, SouCAC every 5 days. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ShiftPower | SouCAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (348 ratings)](https://appshunter.io/ios/app/shiftpower/id1473662284/reviews)** | — |
| Number of ratings | **348** | — |
| Positive reviews | 61.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 112 MB | 86 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Faaftech Tecnologia Ltda](https://appshunter.io/developer/1473662283) | [Alberto Lourenco](https://appshunter.io/developer/701290076) |

## What reviewers say

### ShiftPower

[App page](https://appshunter.io/ios/app/shiftpower/id1473662284)

Enhance your driving experience with customizable acceleration modes for sportier and safer performance. Control your vehicle's safety with dedicated Lock and Valet modes, offering over 300 acceleration response maps for a personalized feel.

**Highlights:** Four customizable driving modes, Lock and Valet safety modes, Over 300 acceleration response maps, Sportier and safer overtaking, Plug-and-Play installation

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### SouCAC

[App page](https://appshunter.io/ios/app/soucac/id6785560608)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SouCAC - Mensal | $0.99 | per month |
| SouCAC - Anual | $9.99 | per year |
| SouCAC Pro | $19.99 | one-time |


## Frequently asked questions

### Is ShiftPower free?

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

### Is SouCAC free?

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

### Do ShiftPower or SouCAC have ads?

ShiftPower shows ads; SouCAC does not.

### Which is updated more often, ShiftPower or SouCAC?

ShiftPower ships an update every 2 weeks, and SouCAC every 5 days. Most recently, ShiftPower was updated on October 16, 2026 and SouCAC on October 13, 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.*