# Watco Charts vs Ecotrak Techs

The clearest difference is review sentiment: Watco Charts at 100% against Ecotrak Techs's 20%. Watco Charts also leads on rating (5.0 vs 3.6). Ecotrak Techs's advantage is update cadence (every 2 months vs every 12 months) and ratings volume (11 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Watco Charts holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews point the same way: 100% of Watco Charts's written reviews are positive against 20% of Ecotrak Techs's.

Watco Charts ships an update every 12 months, Ecotrak Techs every 2 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Watco Charts | Ecotrak Techs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/watco-charts/id6443735172/reviews)** | [3.6 (11 ratings)](https://appshunter.io/ios/app/ecotrak-techs/id6465394992/reviews) |
| Number of ratings | 3 | **11** |
| Positive reviews | **100.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 94 MB |
| Requires iOS | **15.2** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Watco Tanks](https://appshunter.io/developer/1648885655) | [Ecotrak Facility Management, Inc](https://appshunter.io/developer/1201131478) |

## What reviewers say

### Watco Charts

[App page](https://appshunter.io/ios/app/watco-charts/id6443735172)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Ecotrak Techs

[App page](https://appshunter.io/ios/app/ecotrak-techs/id6465394992)

This app helps field service technicians manage jobs, create proposals, and submit invoices directly from their mobile devices. It offers features like map-based job tracking, real-time alerts, and customer communication to streamline workflows and boost productivity.

**Highlights:** Streamline job workflow, Manage work orders on the go, Create and submit invoices, Map-based job tracking, Real-time status updates, Direct customer communication

**In-app purchases:** none


## Frequently asked questions

### Is Watco Charts free?

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

### Is Ecotrak Techs free?

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

### Which has better reviews, Watco Charts or Ecotrak Techs?

Watco Charts is rated higher. Watco Charts averages 5.0 out of 5 from 3 ratings, while Ecotrak Techs averages 3.6 from 11 ratings.

### Do Watco Charts or Ecotrak Techs have ads?

Neither Watco Charts nor Ecotrak Techs shows ads.

### Which is updated more often, Watco Charts or Ecotrak Techs?

Watco Charts ships an update every 12 months, and Ecotrak Techs every 2 months. Most recently, Watco Charts was updated on October 24, 2026 and Ecotrak Techs on October 30, 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.*