KR Stock vs Simpl Petro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KR Stock
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.
- Inventory level tracking
- Stock location management
- Direct in-app ordering
- Personalized item management
- Order history review
- Streamlined restocking
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KR Stock allows you to keep track of the inventory levels of the Kleen-Rite products you need most. This convenient new app puts inventory management at your fingertips and streamlines the ordering process. Operators and employees can easily keep track of the products they currently have in their inventory, see which car wash they’re being stored at, and order immediately from the app. Spend less time shopping, and more time managing your car wash! Any experienced car wash owner knows that keeping a flow of chemicals, parts, equipment, vending items, and other supplies is absolutely crucial to the success of a car wash. Your wash needs to perform when customer traffic is at peak volume, and that means maintaining inventory of the components you need. Simply download the KR Stock app and use your existing Kleen-Rite customer log-in information to access! In no time, you’ll be enjoying: - Inventory management of your stock right from your phone or device – both amount and car wash location - Order right away in the app when you need to restock - Personalized management for your preferred items – No information overload about products irrelevant to you - Looking back at your order history. Past orders are shown, and you can click through immediately to add those products to your cart for reorder. Privacy Policy: https://tookstock.com/inventory-privacy-policy.html Terms of Service: https://tookstock.com/inventory-terms-of-use.html
Simpl Petro
Manage your account information on the go with this business application. Access tank readings, inventory, and environmental reports conveniently from your mobile device.
- Account information access
- Tank readings
- Inventory reports
- Environmental reports
- Anytime, anywhere access
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Access your account information anytime and anywhere at your convenience. Key Features: - Tank Readings - Inventory and Environmental Reports
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | KR Stock | Simpl Petro |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (20 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 20 — better | 1 |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 49 MB |
| Age rating | 4+ | 17+ |
| Developer | Tookstock, Inc | PDS Solutions, LLC |
Customer experience
KR Stock
Simpl Petro
In-app purchases
KR Stock
No in-app purchases
Simpl Petro
No in-app purchases









