Comparison

API 510 Highlights Practices vs API 653 helpmate

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

Head to head
About

API 510 Highlights Practices

Features
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This Free version only has 15 practices and 15 exams questions to show you the general view of the app. The Full Exams version includes more than 1000 questions that cover the whole sections of API 510 Closed-book test.

About

API 653 helpmate

Features
Read full description

"API 653 Helpmate" includes knowledge base required for the current Body of Knowledge for Aboveground Storage Tank Inspector certification, ensuring that users are up to date on the latest requirements. The app also offers features such as progress tracking and the ability to access questions from custom standard, allowing users to tailor their studying to their individual needs. These feature enables users to focus on areas where they need the most improvement and reinforce their understanding of important concepts. With "API 653 Helpmate," users can study anytime, anywhere, and feel confident in their exam preparation. The app assures similar success to all the candidates / inspectors / Engineers / beginners who believe in themselves and are ready to learn without any barriers. Expectations: - Help engineers, engineering students, and designers to quickly learn the engineering codes and standards used in the industry for petroleum and petrochemical industries. - A better understanding of API 653 certification examination questions and real-life exam experience. - latest API 653 Body of Knowledge (BOK) requirements - Improved confidence for the actual exam and higher chances of passing the exam. - Maximum success on your first attempt while minimizing the impact of exam preparation on your working schedule. - 24/7 access to learn at your own pace, place, and convenience. - Availability of various platforms that can be accessed from a tablet or smartphone. - Elimination of the dependency on expensive API 653 exam preparation classroom courses. - Questions from each category listed within the Body of Knowledge (BOK), including API 653, API 650, API RP 575, API RP 651, API RP 652, API RP 576, API RP 577, API RP 571, ASME Sec V, and Section IX. Limitations: - Actual exam questions as they change frequently, but there are ample frequently asked or similar questions that can be found within the app. - This app cannot give you the certification to become an authorized API inspector, but it can help engineers, engineering students, and designers quickly learn the engineering codes and standards used in the petroleum and petrochemical industries. This app is developed by authorized API Aboveground Storage Tank Inspectors who have adopted the systematic self-learning approach and succeeded without any classroom or online course. We believe in you and encourage you to start your learning journey with API 653 Helpmate today. Remember, every step you take will make you stronger, more skilled, more self-confident, and ultimately more successful. As Christopher Robin wisely said, "Always remember you are braver than you believe, stronger than you. For more information, please visit https://helpmateworld.com/about-us/

Screenshots

API 510 Highlights Practices4 screens
API 653 helpmate4 screens

Verdict

The call

The clearest difference is in-app purchases: API 510 Highlights Practices at none against API 653 helpmate's 1. API 510 Highlights Practices also leads on iOS requirement (9.1 vs 16.0). API 653 helpmate's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. API 653 helpmate sells 1 one-off in-app purchase. API 510 Highlights Practices asks for nothing beyond the download.

UpkeepUpdate frequency

API 510 Highlights Practices ships an update every 2 months, API 653 helpmate every 3 weeks. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

Scorecard3 real differences ยท 3 level
API 510 Highlights Practices versus API 653 helpmate: the parameters behind the verdict, then further details
ParameterAPI 510 Highlights PracticesAPI 653 helpmate
PriceFreeFree
Update frequencyEvery 2 monthsEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS9.1 โ€” better16.0
Further details โ€” not scored
Size16 MB33 MB
Age rating4+4+
DeveloperNguyen HieuAustenite Pty Ltd

In-app purchases

None

API 510 Highlights Practices

No in-app purchases

1 purchases

API 653 helpmate

One-time1
  • API 653 Premium - 1 Year Access$49.99

Questions

Is API 510 Highlights Practices free?
API 510 Highlights Practices is free to download, with no in-app purchases.
Is API 653 helpmate free?
API 653 helpmate is free to download, with in-app purchases available.
Do API 510 Highlights Practices or API 653 helpmate have ads?
Neither API 510 Highlights Practices nor API 653 helpmate shows ads.
Which is updated more often, API 510 Highlights Practices or API 653 helpmate?
API 510 Highlights Practices ships an update every 2 months, and API 653 helpmate every 3 weeks. Most recently, API 510 Highlights Practices was updated on October 1, 2026 and API 653 helpmate on September 30, 2026.

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