# KR Stock vs Simpl Petro

The clearest difference is rating: Simpl Petro at 5.0 against KR Stock's 3.9. KR Stock's advantage is ratings volume (20 vs 1). On price, update cadence, 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.

Simpl Petro holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: KR Stock has 20 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | KR Stock | Simpl Petro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (20 ratings)](https://appshunter.io/ios/app/kr-stock/id1557940985/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simpl-petro/id6738425164/reviews)** |
| Number of ratings | **20** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | Free |
| Size | 63 MB | 49 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tookstock, Inc](https://appshunter.io/developer/1535386770) | [PDS Solutions, LLC](https://appshunter.io/developer/533314352) |

## What reviewers say

### KR Stock

[App page](https://appshunter.io/ios/app/kr-stock/id1557940985)

Manage inventory levels for specific products, track stock at different locations, and streamline the ordering process directly from your mobile device. This app helps car wash operators maintain essential supplies efficiently.

**Highlights:** Inventory level tracking, Stock location management, Direct in-app ordering, Personalized item management, Order history review, Streamlined restocking

**Features:** Vision Pro support

**In-app purchases:** none


### Simpl Petro

[App page](https://appshunter.io/ios/app/simpl-petro/id6738425164)

Manage your account information on the go with this business application. Access tank readings, inventory, and environmental reports conveniently from your mobile device.

**Highlights:** Account information access, Tank readings, Inventory reports, Environmental reports, Anytime, anywhere access

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

**In-app purchases:** none


## Frequently asked questions

### Is KR Stock free?

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

### Is Simpl Petro free?

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

### Which has better reviews, KR Stock or Simpl Petro?

Simpl Petro is rated higher. KR Stock averages 3.9 out of 5 from 20 ratings, while Simpl Petro averages 5.0 from 1 ratings.

### Do KR Stock or Simpl Petro have ads?

Neither KR Stock nor Simpl Petro shows ads.

### Which is updated more often, KR Stock or Simpl Petro?

KR Stock ships an update every 6 weeks, and Simpl Petro every 6 weeks. Most recently, KR Stock was updated on October 24, 2026 and Simpl Petro on October 21, 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.*