Zehntner Road Coverage vs Sylvius Generic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zehntner Road Coverage
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Proceq is a leader in providing Swiss-made technology of high quality, portable, non-destructive testing (NDT) solutions. With its Zehntner product line, Proceq delivers the latest technology for the road inspection industry. This app enables to determine the degree of surface coverage of agglomerate road marking at vertical inspection on the tested area. Useful for different purposes such as: Measurement of the resistance to wear, evaluation of the coverage rate of structured markings or determination of the rate of marking residues after removal. Related standards/national regulations: EN 13197, ZTV M 13, SISTRA 2017/3
Sylvius Generic
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Sylvatest 4 is the 4th generation of the key reference device SYLVATEST designed to estimate wood quality assessment from the standing trees to the structural components. Sylvatest 4 measures the time of flight of ultrasonic waves in the wood between two transducers: the emitter and the receiver. Additionally, the peak of energy of the transmitted waves is recorded (mV). A measurement takes no longer than several seconds. The Sylvius software has been specifically developed to analyze Sylvatest data and allows an immediate diagnostic of the measured wood.
Screenshots
Verdict
The clearest difference is update cadence: Sylvius Generic at every 2 months against Zehntner Road Coverage's every 23 months. Sylvius Generic also leads on device support (3 vs 1) and iOS requirement (8.0 vs 16.0). On price, 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.
Zehntner Road Coverage ships an update every 23 months, Sylvius Generic every 2 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.
| Parameter | Zehntner Road Coverage | Sylvius Generic |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 23 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Screening Eagle Technologies | C.B.T Concept Bois Technologies SA |
In-app purchases
Zehntner Road Coverage
No in-app purchases
Sylvius Generic
No in-app purchases
Questions
Is Zehntner Road Coverage free?
Is Sylvius Generic free?
Do Zehntner Road Coverage or Sylvius Generic have ads?
Which is updated more often, Zehntner Road Coverage or Sylvius Generic?
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