Comparison

Ruby Wireless Sensor vs Cylindex

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ruby Wireless Sensor

Connect to a compact wireless sensor to monitor mechanical structures. View real-time vibration data and manage the device via Bluetooth.

Highlights
  • Connect via Bluetooth
  • Manage wireless sensors
  • View real-time vibration data
  • Monitor mechanical structures
  • Ultracompact device integration
Features
Read full description

The Ruby wireless sensor is a battery powered, ultracompact device that measures vibration signals in acceleration quantity on mechanical structures. This app allows users to connect to Ruby sensors via Bluetooth to manage the device and view RMS in real-time.

About

Cylindex

Features
Read full description

Cylindex: Your Free Cylinder Inspection Tool Cylindex makes high-pressure cylinder inspections easy and efficient. This free app from Cylinder Training Services helps you: Inspect: Step-by-step guidance for thorough visual checks. Record: Ditch the paperwork! Log inspection data electronically. Report: Generate detailed PDF reports in seconds. Manage: Store, search, and share inspection records with ease. Stay safe and compliant with Cylindex! Features: User-friendly interface Comprehensive inspection forms Cloud-based storage PDF report generation Offline access Cylindex Premium Annual: $6/month or $59.99/year Auto-renews unless canceled at least 24 hours before the end of the period https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Manage or cancel subscriptions in your Apple ID settings.

Screenshots

Ruby Wireless Sensor3 screens
Cylindex3 screens

Verdict

The call

The clearest difference is in-app purchases: Ruby Wireless Sensor at none against Cylindex's 1. On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Cylindex sells 1 in-app purchase, starting at $59.99 per year. Ruby Wireless Sensor asks for nothing beyond the download.

UpkeepUpdate frequency

Ruby Wireless Sensor ships an update every 3 weeks, Cylindex every 6 weeks. The most recent releases landed on September 29, 2026 and September 22, 2026 respectively.

Scorecard1 real difference · 8 level
Ruby Wireless Sensor versus Cylindex: the parameters behind the verdict, then further details
ParameterRuby Wireless SensorCylindex
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.214.0.0 — better
Further details — not scored
Size76 MB85 MB
Age rating4+4+
DeveloperCrystal Instruments CorporationCylinder Training Services, LLC

In-app purchases

None

Ruby Wireless Sensor

No in-app purchases

1 purchases

Cylindex

Subscriptions1
  • Cylindex Premium$59.991 Year

Questions

Is Ruby Wireless Sensor free?
Ruby Wireless Sensor is free to download, with no in-app purchases.
Is Cylindex free?
Cylindex is free to download, with in-app purchases available.
Do Ruby Wireless Sensor or Cylindex have ads?
Neither Ruby Wireless Sensor nor Cylindex shows ads.
Which is updated more often, Ruby Wireless Sensor or Cylindex?
Ruby Wireless Sensor ships an update every 3 weeks, and Cylindex every 6 weeks. Most recently, Ruby Wireless Sensor was updated on September 29, 2026 and Cylindex on September 22, 2026.

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