Petal Layout Pro vs StarLinkAssistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Petal Layout Pro
This app assists in the fabrication of spherical and hemispherical heads by calculating precise petal layouts. It supports various part divisions for accurate flat pattern development, ideal for pressure vessel and storage tank construction.
- Sphere petal layout calculation
- Hemispherical head petal layout calculation
- Multiple part divisions (12, 24, 48)
- Unit setting for mm/inches
- Flat pattern development
- Supports pressure vessel fabrication
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Petal Layout is a professional fabrication calculator for developing petal-type layouts for spheres and hemispherical heads. It is designed for pressure vessel fabrication, process equipment manufacturing, spherical tank fabrication, and industrial sheet metal work. The app generates fabrication-ready layout dimensions that can be used for marking plates or sheet metal before cutting, forming, and assembling spherical or hemispherical components. Whether you are a fabrication engineer, fitter, workshop technician, production engineer, or pressure vessel professional, Petal Layout helps simplify complex petal development calculations and improves accuracy during fabrication. Supported Petal Layouts • Hemispherical Head / Hemi Head • Hemispherical Dish End • Sphere / Spherical Tank Hemispherical Head Petal Layout Generate petal development dimensions for hemispherical pressure vessel heads and dish ends. Enter the required head diameter and straight face length, select the desired number of development divisions, and calculate the layout dimensions required for plate marking. Sphere Petal Layout Generate petal-type development dimensions for spherical tanks and spherical shells. Enter the sphere diameter and select the required number of divisions to generate the layout dimensions for fabrication. Development Options Choose from predefined development divisions: • 12 Parts • 24 Parts • 36 Parts • 48 Parts You can also enter a custom number of development divisions according to your fabrication requirements. Features • Sphere petal layout development • Hemispherical head petal development • Dish end petal layout • Spherical tank layout calculations • Multiple development division options • Custom development line/part count • Fabrication-ready marking dimensions • Clear and easy-to-understand results • Simple professional interface • Metric and Imperial unit support • No internet connection required Fabrication Applications Petal Layout is useful for: • Pressure Vessel Fabrication • Spherical Tank Fabrication • Process Equipment Fabrication • Storage Tank Manufacturing • Dish End Fabrication • Hemispherical Head Fabrication • Sheet Metal Fabrication • Industrial Fabrication • Plate Layout and Marking Designed For • Fabrication Engineers • Fabrication Fitters • Production Engineers • Mechanical Engineers • Workshop Technicians • Pressure Vessel Fabricators • Tank Fabricators • Process Equipment Manufacturers • Fabrication Supervisors • Engineering Students For improved fabrication accuracy, the app can be used with appropriate mean dimensions when developing and marking petal layouts. Petal Layout provides a convenient solution for generating sphere and hemispherical head petal development dimensions, helping reduce manual calculations, save fabrication time, and improve accuracy during plate layout and marking.
StarLinkAssistant
This app helps users set up, troubleshoot, and optimize their Starlink internet system. It provides detailed guides, real-time performance data, and assistance with common issues like obstructions and Wi-Fi configuration.
- Initial setup and wiring guides
- Router/Wi-Fi status and configuration
- Dishy (antenna) status and issue detection
- Real-time satellite tracking and visibility
- Internet speed and latency testing
- Obstruction identification and recommendations
- Direct access to Starlink support resources
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I wrote the Starlink Assistant App(SLA) because integrating the Starlink System into my home Internet system was a bit difficult. Another reason is that seeing how the Starlink system works is great fun. I want this app to help everyone identify and fix issues, use, and enjoy Starlink. The app uses color images and help pages to assist you navigate through most issues. The main page displays general information about how it is performing. The Initial Setup page describes how to unbox & connect all equipment and wiring, install dishy (the Starlink Antenna), and configure the WiFi router. It also has YouTube links to explain how to unbox, install Dishy, configure your wifi router, and how to run a network cable. The Router/Wi-Fi page includes a test of the connection between the app and the router, display status of Uptime, and Wi-Fi software & firmware versions. Detailed instructions on how to use your own router are also included. The Dishy page displays your antenna/Dishy uptime, physical issues (if the motors are stuck, an issue with temperature, mast not level, or unexpected location), and hardware & software versions. The Satellite page will display “No Satellites” time, view all Satellites in real time(View map), show how & when you can see the satellites in the night sky, and a satellite help section. The Satellite help section describes how to use the View Satellite Map and give you a better understanding when satellite positions will be optimal. The Internet page will display whether the Internet is up or down, average latency times, Internet Speed time for Dishy(Direct Internet times), 4 different speed test checkers and Youtube links for instruction. The Obstructions page will display if there is a current Obstruction between Dishy and a satellite, Uptime, Obstruction recommendations and status. In case the obstruction is a tree, the app has information on local tree trimming companies. The Support page how to get Starlink Support, getting the debug information and links to popular Starlink support. The Help page describes in detail how to use each page (Setup, Router, Dishy, Satellite, Internet, Obstructions, & Support).
Screenshots
Verdict
The clearest difference is review sentiment: StarLinkAssistant at 60% against Petal Layout Pro's 0%. StarLinkAssistant also leads on price (Free vs $3.99) and update cadence (every 3 weeks vs every 41 months). Petal Layout Pro's advantage is ads (none vs shown). On in-app purchases 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
StarLinkAssistant is free to download; Petal Layout Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Petal Layout Pro ships an update every 41 months, StarLinkAssistant every 3 weeks. The most recent releases landed on September 15, 2026 and June 1, 2026 respectively.
| Parameter | Petal Layout Pro | StarLinkAssistant |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 60.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 41 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 28 MB |
| Age rating | 4+ | 17+ |
| Developer | Imran Pinjara | Herbert Richard Lawson |
Customer experience
Petal Layout Pro
StarLinkAssistant
In-app purchases
Petal Layout Pro
No in-app purchases
StarLinkAssistant
No in-app purchases
Questions
Is Petal Layout Pro free?
Is StarLinkAssistant free?
Do Petal Layout Pro or StarLinkAssistant have ads?
Which is updated more often, Petal Layout Pro or StarLinkAssistant?
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