Silverson Conversion Tools vs Skopos
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Silverson Conversion Tools
This app provides engineers and operations personnel with tools to calculate the volume of vertical tanks of various shapes and top/bottom styles. It also includes multiple conversion tools for common measurements and a browser for product information.
- Vertical tank volume calculation
- Multiple tank shapes and top/bottom styles
- Unit conversion tools
- Email/Share calculation results
- Integrated product browser
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This versatile set of calculating tools from Silverson Machines is a handy reference app for engineers and operations personnel allowing you to calculate the volume of any vertical tank based on parameters you choose. Choose from the following: Vertical Tank Shapes: • Cylindrical • Rectangular Top and Bottom Styles: • Flat • Dished • Spherical • Conical Silverson’s app even allows you to Email/Share your volume calculation results and includes a browser for viewing Silverson product lines and website. In addition there are multiple conversion tools for the following measurements: • Length • Fine Measurement • Flow • Motor Power • Pressure • Temperature • Volume • Weight
Skopos
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SKOPOS brings security intelligence into one focused workspace. Investigate indicators of compromise, track vulnerabilities, follow ransomware activity and explore APT campaigns through a native interface built for iPhone and iPad. STAY INFORMED Get an overview of fresh IOCs, newly published and updated CVEs, known exploited vulnerabilities, ransomware claims and security headlines. INVESTIGATE THREATS Search and filter IP addresses, domains, URLs and hashes. Review available malware associations, tags and source references. PRIORITIZE VULNERABILITIES Explore CVE details, CISA Known Exploited Vulnerabilities and EPSS scores to support your investigation and prioritization. FOLLOW RANSOMWARE ACTIVITY Browse reported claims, affected organizations, ransomware groups and discovery dates, with links to available source information. EXPLORE APT CAMPAIGNS Search campaigns and review MITRE ATT&CK references, descriptions, associated actors and available targeting information. VISUALIZE GLOBAL INFRASTRUCTURE Explore an interactive globe showing available threat infrastructure locations and connections. CREATE YOUR WATCHLIST Save investigation items and configure keywords to find matches across intelligence loaded in the app. Your watchlist stays on your device. READ SECURITY NEWS Search, sort and filter headlines by source, then open original articles in the app’s browser. ACCESS SAVED INTELLIGENCE Review previously cached information when offline. Internet access is required to retrieve fresh data. SKOPOS aggregates publicly available intelligence through the SKOPOS backend. Coverage and available details vary by source. Ransomware entries represent reported claims. Intelligence should be independently validated before operational use. Developed by Voutselas Group.
Screenshots
Verdict
The clearest difference is update cadence: Skopos at every 3 weeks against Silverson Conversion Tools's every 6 months. Silverson Conversion Tools's advantage is iOS requirement (8.0 vs 17.0). On price, ads, in-app purchases and device support 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.
Silverson Conversion Tools ships an update every 6 months, Skopos every 3 weeks. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.
| Parameter | Silverson Conversion Tools | Skopos |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Silverson Machines Limited | Christos Voutselas |
In-app purchases
Silverson Conversion Tools
No in-app purchases
Skopos
No in-app purchases
Questions
Is Silverson Conversion Tools free?
Is Skopos free?
Do Silverson Conversion Tools or Skopos have ads?
Which is updated more often, Silverson Conversion Tools or Skopos?
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