SSC Spring Engineering vs Napoleon/Lynx Spring Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SSC Spring Engineering
This utility app assists with spring engineering calculations, including conversions, new designs, and comparisons. It helps determine spring and drum specifications for various applications, such as rolling steel doors, and calculates lifting capacities.
- Spring conversion
- New spring engineering
- Drum specification comparison
- IPPT spring calculation
- Rolling steel door spring design
- Approximate pull calculation
- Maximum lift capacity determination
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Convert springs, engineer new springs, compare drum specifications, calculate springs by IPPT, design springs for rolling steel doors, calculate approximate pull, or determine the maximum lift a spring/drum can lift on any job at any time. Application developed by Service Spring Corporation - a leader in spring manufacturing and customer service in the overhead door industry.
Napoleon/Lynx Spring Calc
This utility app simplifies garage door torsion spring calculations for single and duplex assemblies. It supports various lift types and drums, allowing users to save and share their calculations. Connect with local sales representatives for parts and assistance.
- Calculates torsion springs for single/duplex assemblies
- Supports various lift types and drums
- Save calculations locally
- Share calculations with other apps
- Direct contact for sales representatives
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Simplify garage door torsion spring calculations with us. Our app supports single and duplex assemblies and accommodates various lift types. Save your calculations locally or easily share them with others. Need parts or assistance? Connect directly with a local sales representative at Napoleon/Lynx, a global leader and one-stop source for garage door manufacturing and distribution. Key Features: - Calculates torsion springs for single and duplex assemblies. - Supports standard, high, and vertical lifts and various drums. - Save calculations locally and share with other apps. - Contact us directly for sales by region.
Screenshots
Verdict
The clearest difference is rating: Napoleon/Lynx Spring Calc at 5.0 against SSC Spring Engineering's 4.6. SSC Spring Engineering's advantage is ratings volume (26 vs 1). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Napoleon/Lynx Spring Calc holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: SSC Spring Engineering has 26 ratings behind it against 1, so its average is the more settled of the two.
SSC Spring Engineering ships an update every 6 months, Napoleon/Lynx Spring Calc every 7 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.
| Parameter | SSC Spring Engineering | Napoleon/Lynx Spring Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (26 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 26 — better | 1 |
| Update frequency | Every 6 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 38 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Service Spring Corporation | Napoleon Spring Works |
Customer experience
SSC Spring Engineering
Napoleon/Lynx Spring Calc
In-app purchases
SSC Spring Engineering
No in-app purchases
Napoleon/Lynx Spring Calc
No in-app purchases
Questions
Is SSC Spring Engineering free?
Is Napoleon/Lynx Spring Calc free?
Which has better reviews, SSC Spring Engineering or Napoleon/Lynx Spring Calc?
Do SSC Spring Engineering or Napoleon/Lynx Spring Calc have ads?
Which is updated more often, SSC Spring Engineering or Napoleon/Lynx Spring Calc?
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