Watco Charts vs Quest Distributors
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Watco Charts
This app helps gauge tank capacity by calculating current gallons based on fill depth or generating a PDF capacity chart. It's designed for accurate level gauging of tanks manufactured by Watco.
- Gauge current gallons by fill depth
- Generate printable capacity charts
- Export charts as PDF
- Supports aboveground, underground, and vertical tanks
- Accurate engineering calculations
- Simple user interface
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Watco Charts is a free to use application to gauge the gallons of a tank at any given capacity level, either using the measured fill depth to view the current gallons in the user interface, or by exporting a capacity level chart via PDF to be kept on record. With a simple user interface, powered by Watco Tanks’ engineering calculations, this application ensures the most accurate level gauge for any tank manufactured by Watco. Directions for use: 1. Choose the tank type (Aboveground/Underground/Vertical) 2. Enter the tank’s nominal gallons 3. Enter the tank’s nominal diameter 4. Choose between the two functions: a. Generate PDF - Click the “Generate PDF” button to generate a printable or email friendly capacity chart. b. View Current Capacity - Enter the current measured depth to gauge the current gallons. Watco Tanks hopes this tool can be utilized in your business, and we want to thank you for being part of the Watco Family. It's the WATCO WAY!
Quest Distributors
Access your account information on the go with this business application. View fuel prices, EFT details, invoices, credit card information, and sales history from your iPhone or iPad.
- Check fuel price changes
- View EFT details
- Print invoices
- Access credit card details
- View sales history
- Access reporting data
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We are excited to announce our new iPhone app. Now you can access your account information anytime and anywhere at your convenience. Key Features: - Check the latest fuel price changes - Check your EFT details - View and print invoices - Access credit card details - View sales history and other reporting data
Screenshots
Verdict
The clearest difference is update cadence: Quest Distributors at every 3 months against Watco Charts's every 12 months. Quest Distributors also leads on ratings volume (14 vs 3). On price, rating, 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.
On the App Store both sit at effectively the same score — 5.0 for Watco Charts against 4.9 for Quest Distributors. Both are backed by a comparable volume of ratings — 3 and 14 respectively.
Watco Charts ships an update every 12 months, Quest Distributors every 3 months. Both last shipped on November 3, 2026.
| Parameter | Watco Charts | Quest Distributors |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 4.9 (14 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 | 14 — better |
| Update frequency | Every 12 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 49 MB |
| Age rating | 4+ | 17+ |
| Developer | Watco Tanks | PDS Solutions, LLC |
Customer experience
Watco Charts
Quest Distributors
In-app purchases
Watco Charts
No in-app purchases
Quest Distributors
No in-app purchases
Questions
Is Watco Charts free?
Is Quest Distributors free?
Which has better reviews, Watco Charts or Quest Distributors?
Do Watco Charts or Quest Distributors have ads?
Which is updated more often, Watco Charts or Quest Distributors?
Other comparisons
