# KARS Petro vs ShiftWiser

The clearest difference is update cadence: ShiftWiser at every 2 weeks against KARS Petro's every 5 weeks. ShiftWiser also leads on iOS requirement (12.0 vs 15.0). KARS Petro's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KARS Petro ships an update every 5 weeks, ShiftWiser every 2 weeks. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | KARS Petro | ShiftWiser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (110 ratings)](https://appshunter.io/ios/app/kars-petro/id1519036304/reviews)** | — |
| Number of ratings | **110** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 49 MB | 73 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [PDS Solutions, LLC](https://appshunter.io/developer/533314352) | [ObjectSourceInc](https://appshunter.io/developer/1402161020) |

## What reviewers say

### KARS Petro

[App page](https://appshunter.io/ios/app/kars-petro/id1519036304)

Manage your account details conveniently from anywhere. Access real-time fuel prices, EFT information, and view your latest invoices and sales history.

**Highlights:** Check latest fuel prices, View EFT details, Access invoice details, Review sales history, View reporting data

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

**In-app purchases:** none


### ShiftWiser

[App page](https://appshunter.io/ios/app/shiftwiser/id1607712876)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KARS Petro free?

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

### Is ShiftWiser free?

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

### Do KARS Petro or ShiftWiser have ads?

Neither KARS Petro nor ShiftWiser shows ads.

### Which is updated more often, KARS Petro or ShiftWiser?

KARS Petro ships an update every 5 weeks, and ShiftWiser every 2 weeks. Most recently, KARS Petro was updated on October 7, 2026 and ShiftWiser on October 1, 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.*