SSC Spring Engineering vs Edge Smart Keypad
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.
Edge Smart Keypad
This utility app allows users to manage access control and perform administrative tasks on Edge devices via Bluetooth. It also functions as a remote control for these devices.
- Bluetooth connectivity
- Access control management
- Administrative tasks
- Remote control functionality
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With the Edge Smart Keypad app, you can connect via Bluetooth and quickly and easily perform administrative tasks and manage access control on all your Edge devices. The app also doubles as a remote control. It's that simple!™
Screenshots
Verdict
The clearest difference is review sentiment: SSC Spring Engineering at 50% against Edge Smart Keypad's 0%. SSC Spring Engineering also leads on rating (4.6 vs 2.9). Edge Smart Keypad's advantage is update cadence (every 2 months vs every 6 months). On price, ratings volume, 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.
SSC Spring Engineering holds the better App Store score, 4.6 against 2.9. Both are backed by a comparable volume of ratings — 26 and 9 respectively. Written reviews point the same way: 50% of SSC Spring Engineering's written reviews are positive against 0% of Edge Smart Keypad's.
SSC Spring Engineering ships an update every 6 months, Edge Smart Keypad every 2 months. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.
| Parameter | SSC Spring Engineering | Edge Smart Keypad |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (26 ratings) — better | 2.9 (9 ratings) |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 26 — better | 9 |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 38 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Service Spring Corporation | Security Brands, Inc. |
Customer experience
SSC Spring Engineering
Edge Smart Keypad
In-app purchases
SSC Spring Engineering
No in-app purchases
Edge Smart Keypad
No in-app purchases
Questions
Is SSC Spring Engineering free?
Is Edge Smart Keypad free?
Which has better reviews, SSC Spring Engineering or Edge Smart Keypad?
Do SSC Spring Engineering or Edge Smart Keypad have ads?
Which is updated more often, SSC Spring Engineering or Edge Smart Keypad?
Other comparisons
