API 510 Highlights Practices vs PreHeat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
API 510 Highlights Practices
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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.
PreHeat
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Background The need for and the temperature of preheat are dependent on several factors such as the chemical analysis, degree of restraint of the parts being joined, material thickness and mechanical properties. It is cautioned that the preheating temperatures listed below do not necessarily ensure satisfactory completion of the welded joint and requirements for individual materials within the P‐Number listing may have preheating more or less restrictive than this general guide. Applicable Code / Edition & Standards The preheat temperature of joining metal given by this app is in accordance with ASME Section I, VIII-1 and NBIC Part 3 2023 Edition. Utility This app determines provide the recommended preheat temperature of the joining metal. When welding two metal parts together, it is essential that the joining edges are free of contamination and moisture, preheating the joining face remove the moistures from the joining faces. Competitive Edge There is no app available in the market to determine preheat temperature of the joining parts quickly without using expensive designing software. This app provides a tool to quickly determine the recommended preheat temperature of joining parts. Target Audience This app targets fabricators, designers’ researchers, inspection agencies and QC who are involved in pressure welding. Non Consumable Subscription: You can download the app from App Store for free, however One time Non-Consumable subscription in-app-purchase is required before you can use any of the Tables of this app. Purchase can be made by going to the menu of the application. Terms and condition are also provided there. Terms of Use: This app follow Apple Standard Term of Use (EULA) more information about apple standard Licensed Application End User License Agreement can be found at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: API 510 Highlights Practices at none against PreHeat's 1. API 510 Highlights Practices also leads on iOS requirement (9.1 vs 13.0). PreHeat's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support 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. PreHeat sells 1 one-off in-app purchase. API 510 Highlights Practices asks for nothing beyond the download.
API 510 Highlights Practices ships an update every 2 months, PreHeat fortnightly. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.
| Parameter | API 510 Highlights Practices | PreHeat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 9.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 16 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Nguyen Hieu | Shabbir Ahmed |
In-app purchases
API 510 Highlights Practices
No in-app purchases
PreHeat
- Non Consumable Subscription$3.99
Questions
Is API 510 Highlights Practices free?
Is PreHeat free?
Do API 510 Highlights Practices or PreHeat have ads?
Which is updated more often, API 510 Highlights Practices or PreHeat?
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