Comparison

Windmill Propane vs DAWN Pre

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Windmill Propane

Features
Read full description

Over 25 years ago, we started with a simple idea: world-class safety & service for every customer, every time. Our founders desired to build a business that would glorify God, serve the needs of it’s customers and add value to the community. We now have three successful brands that deliver millions of gallons of propane to thousands of customers across California. We are proud of the strong and lasting relationships we have built with our customers and the communities we serve. Our service area ranges from Sacramento to the Grapevine. Every store we operate is supported by an incredible employee family. We would not be the brand we are today without the constant investment of their intellect, energy and time. They truly are some of the best in the business. We look forward to a bright future as we continue to grow, serving more families, businesses and communities across the great State of California.

About

DAWN Pre

Features
Read full description

Attach the hardware to the vehicle network connector, turn on the engine, and open the app. Complete the test within 2 minutes. The tampering report is available within the app.

Screenshots

Windmill Propane3 screens
DAWN Pre1 screens

Verdict

The call

The clearest difference is update cadence: DAWN Pre at every 2 months against Windmill Propane's every 23 months. Windmill Propane's advantage is iOS requirement (12.2 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Windmill Propane ships an update every 23 months, DAWN Pre every 2 months. Both last shipped on September 30, 2026.

Scorecard2 real differences Β· 4 level
Windmill Propane versus DAWN Pre: the parameters behind the verdict, then further details
ParameterWindmill PropaneDAWN Pre
PriceFreeFree
Update frequencyEvery 23 monthsEvery 2 months β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.2 β€” better15.0
Further details β€” not scored
Size46 MB2 MB
Age rating4+4+
DeveloperEDPO, LLCHEM Data Corporation

In-app purchases

None

Windmill Propane

No in-app purchases

None

DAWN Pre

No in-app purchases

Questions

Is Windmill Propane free?
Windmill Propane is free to download, with no in-app purchases.
Is DAWN Pre free?
DAWN Pre is free to download, with no in-app purchases.
Do Windmill Propane or DAWN Pre have ads?
Neither Windmill Propane nor DAWN Pre shows ads.
Which is updated more often, Windmill Propane or DAWN Pre?
Windmill Propane ships an update every 23 months, and DAWN Pre every 2 months. Most recently, Windmill Propane was updated on September 30, 2026 and DAWN Pre on September 30, 2026.

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