SSC Spring Engineering vs Won
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.
Won
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Accordion Fire Door Installation Tool
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Verdict
SSC Spring Engineering and Won are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
SSC Spring Engineering ships an update every 6 months, Won every 4 months. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.
| Parameter | SSC Spring Engineering | Won |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (26 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 26 — better | — |
| Update frequency | Every 6 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Service Spring Corporation | Overhead Door Corporation |
In-app purchases
SSC Spring Engineering
No in-app purchases
Won
No in-app purchases
Questions
Is SSC Spring Engineering free?
Is Won free?
Do SSC Spring Engineering or Won have ads?
Which is updated more often, SSC Spring Engineering or Won?
Other comparisons
