Virtual Loop vs Napoleon/Lynx Spring Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Virtual Loop
This utility app allows users to configure and monitor vehicle detection sensors. It enables exporting and importing sensor settings and provides visual and auditory feedback on sensor status.
- Configure vehicle detection sensors
- Export and import sensor settings
- Monitor sensor status visually
- Receive auditory alerts for sensor conditions
- Check sensor condition
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"Virtual Loop" is an App for setting and checking of the vehicle detection sensor OVS-02 series manufactured by OPTEX CO., LTD. It is possible to export the setting information of the sensor and import it with other units. The condition of the sensor could be checked by the color and sound on the App display. For details, please refer to the installation manual of OVS-02 series at the following link. URL:https://navi.optex.net/manual/09247/
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 Virtual Loop's 4.0. Virtual Loop's advantage is update cadence (every 2 months vs every 7 months) and ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model 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 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Virtual Loop ships an update every 2 months, Napoleon/Lynx Spring Calc every 7 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.
| Parameter | Virtual Loop | Napoleon/Lynx Spring Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | OPTEX CO., LTD. | Napoleon Spring Works |
Customer experience
Virtual Loop
Napoleon/Lynx Spring Calc
In-app purchases
Virtual Loop
No in-app purchases
Napoleon/Lynx Spring Calc
No in-app purchases
Questions
Is Virtual Loop free?
Is Napoleon/Lynx Spring Calc free?
Which has better reviews, Virtual Loop or Napoleon/Lynx Spring Calc?
Do Virtual Loop or Napoleon/Lynx Spring Calc have ads?
Which is updated more often, Virtual Loop or Napoleon/Lynx Spring Calc?
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