Compound Offset Calculator vs Empower, by ISN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Compound Offset Calculator
This app calculates complex pipe offsets, offering 36 isometric combinations. It provides accurate angles, true cut lengths, and dimensions for custom fittings, supporting both metric and imperial units. Designed for pipefitters to improve workplace efficiency.
- Calculates complex pipe offsets
- 36 isometric combinations
- Accurate offset angles
- True cut length of pipe
- Custom fitting dimensions
- Metric and imperial charts
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The Compound Pipe Calculator is designed to calculate one of the more challenging offsets. A rolling offset that transitions into another offset/rolling offset. Total of 36 combinations of compound pipe offsets available in isometric view to match your drawing. Generates in seconds: -Accurate offset angles for angle1, the compound angle, angle3 -True cut length of pipe with root gap -Dimensions to cut Custom Fitting from a 90 - Input Feet/Inches/Fraction - Input Centimeters/Millimeters - Input Root Gap - Calculate "long radius", "short radius" and "3 Radius" fittings and custom fittings - Determines Cut Length of Pipe to build spool piece - Generates Values to cut any angle fitting out of a 90 - Generates Pipe Length and True Cut Length of Pipe Included are metric and imperial pipe charts. Thank you all for your support and your feedback is absolutely awesome. And always appreciated. I tweak these apps to be as simple and intuitive as possible. Everyone can message me at easypipefitter@gmail.com with any question regarding all the pipe tools available if you would like assistance in seeing how powerful these tools can be. And I will answer you very quickly, in most cases within a few minutes of you sending a message. Video UserGuides on Youtube http://www.youtube.com/watch?v=44MbP0nRXnE Like us on Facebook http://www.facebook.com/PipefitterCalculator *** Immediate Fitter Support Beyond what's in the app*** *** New to fitting Pipe use the in-app feedback screen*** Also included is prompt customer service. You have a question, a comment, an issue or even a suggestion I am readily available. This is app is designed as a tool to improve your value in the workplace. Feedback is important.. if you see something occur please contact me with the feedback screen and I will contact you. I continually update when needed so everyone can use this app. Thank you.
Empower, by ISN
Access work-readiness training, digital IDs, and jobsite requirements. Manage licenses and certifications, and stay informed with AI-generated toolbox talks. Connect with hiring clients to view compliance status and bulletin board messages.
- Digital ISN-ID card access
- View jobsite requirements and compliance
- Complete trainings on-the-go
- AI-generated Toolbox Talks™
- Manage licenses and certifications
- Access bulletin board messages
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Empower, ISN's mobile app for workers, enables access to work-readiness trainings, documents, and other important information to help improve jobsite readiness. With Empower, workers can: - Easily access your digital ISN-ID card - Connect with ISN Hiring Clients to view jobsite requirements and compliance status - Complete trainings on-the-go - Create AI-generated Toolbox Talks™ to keep your crew informed - Access bulletin board messages from your Hiring Clients - Use the digital wallet to manage licenses and certifications to prove your readiness to work & more! This app uses background location to help workers find and check-in to Client jobsites faster. Continued use of background location may decrease battery life. Note: Some functionality is limited to ISNetworld® (ISN) contractor subscribers.
Screenshots
Verdict
The clearest difference is price: Empower, by ISN at Free against Compound Offset Calculator's $1.99. Empower, by ISN also leads on rating (4.8 vs 2.7) and review sentiment (68% vs 33%). Compound Offset Calculator's advantage is update cadence (every 3 weeks vs every 2 months) and chart position (#193 vs unranked). On ads, 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
Empower, by ISN is free to download; Compound Offset Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Empower, by ISN holds the better App Store score, 4.8 against 2.7. That said, the two scores are not equally well evidenced: Empower, by ISN has 31K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Compound Offset Calculator's written reviews are positive against 68% of Empower, by ISN's.
Compound Offset Calculator ships an update every 3 weeks, Empower, by ISN every 2 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.
| Parameter | Compound Offset Calculator | Empower, by ISN |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 2.7 (3 ratings) | 4.8 (31K ratings) — better |
| Positive reviews | 33.3% of reviews | 68.0% of reviews — better |
| Number of ratings | 3 | 31K — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Best chart rank | #193 — better | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 20 MB | 53 MB |
| Age rating | 17+ | 4+ |
| Developer | LMF.Services | ISNetworld |
Customer experience
Compound Offset Calculator
Empower, by ISN
Bugs and requests
Compound Offset Calculator
Not enough reviews yet to summarise bugs or requests.
Empower, by ISN
Reported bugs
2 issues- Partial error messages during video playback
- App progress wiped out after restart
Requested features
2 requests- Option to store external documents
- Email verification option
In-app purchases
Compound Offset Calculator
No in-app purchases
Empower, by ISN
No in-app purchases
Questions
Is Compound Offset Calculator free?
Is Empower, by ISN free?
Which has better reviews, Compound Offset Calculator or Empower, by ISN?
Do Compound Offset Calculator or Empower, by ISN have ads?
Which is updated more often, Compound Offset Calculator or Empower, by ISN?
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