Comparison

Silverson Conversion Tools vs Car Maintenance Tracker

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

Head to head
About

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.

Highlights
  • Vertical tank volume calculation
  • Multiple tank shapes and top/bottom styles
  • Unit conversion tools
  • Email/Share calculation results
  • Integrated product browser
Features
Read full description

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

About

Car Maintenance Tracker

Features
Read full description

Axel is the all-in-one Vehicle Manager and Vehicle Maintenance Tracker designed to save you money and extend the life of your car. Whether you need a simple Car Maintenance Log for resale value, want to track fuel costs, or need to verify a mechanic's quote, Axel gives you the answer instantly. YOUR DIGITAL GLOVEBOX Turn messy service records into clear, visual insights. Our smart dashboard tracks your spending on repairs, fuel, and insurance, giving you a complete history of your vehicle's health. YOUR PERSONAL AI MECHANIC Have a question about your car? Just ask. “How often should I change the oil on a 2022 BMW X5?” “My car is making a clicking sound when I turn. What could it be?” “Is $400 fair for a front brake replacement?” KEY FEATURES: Effortless Car Maintenance Log: Log services in seconds. Just type naturally (e.g., "Oil change and tire rotation for $120") and Axel automatically categorizes the record for you. Detailed Oil Change Log: Never miss a service. Track dates, mileage, and costs for every oil change to maintain your engine's warranty and resale value. Smart Vehicle Manager: Manage multiple cars in one garage. Track total ownership costs and get reminders for upcoming maintenance. Private & Secure: Your data is yours. We prioritize your privacy and do not sell your personal vehicle data to third parties. AXEL PRO SUBSCRIPTION Unlock the full potential of your garage with Axel Pro. Get unlimited vehicle profiles, advanced cost insights, and unrestricted AI Mechanic chat access. DISCLAIMER Axel is an informational tool designed to help users track vehicle maintenance and costs. Not Professional Advice: Axel does not provide certified mechanical advice. Estimates Only: AI-generated diagnostics and cost estimates are based on general data. Professional Help: Always consult a certified mechanic before performing major repairs or driving an unsafe vehicle. Legal: Privacy Policy: https://www.imadattif.com/apps/axel-ai-car-maintenance-assistant/privacy-policy Terms of Use (EULA): https://www.imadattif.com/apps/axel-ai-car-maintenance-assistant/terms-of-use

Screenshots

Silverson Conversion Tools1 screens
Car Maintenance Tracker3 screens

Verdict

The call

The clearest difference is update cadence: Car Maintenance Tracker at every 5 days against Silverson Conversion Tools's every 6 months. Silverson Conversion Tools's advantage is iOS requirement (8.0 vs 15.1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Silverson Conversion Tools ships an update every 6 months, Car Maintenance Tracker every 5 days. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 7 level
Silverson Conversion Tools versus Car Maintenance Tracker: the parameters behind the verdict, then further details
ParameterSilverson Conversion ToolsCar Maintenance Tracker
PriceFreeFree
Rating4.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 6 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS8.0 — better15.1
Further details — not scored
Size9 MB47 MB
Age rating4+4+
DeveloperSilverson Machines LimitedImad Attif

In-app purchases

None

Silverson Conversion Tools

No in-app purchases

None

Car Maintenance Tracker

No in-app purchases

Questions

Is Silverson Conversion Tools free?
Silverson Conversion Tools is free to download, with no in-app purchases.
Is Car Maintenance Tracker free?
Car Maintenance Tracker is free to download, with no in-app purchases.
Do Silverson Conversion Tools or Car Maintenance Tracker have ads?
Neither Silverson Conversion Tools nor Car Maintenance Tracker shows ads.
Which is updated more often, Silverson Conversion Tools or Car Maintenance Tracker?
Silverson Conversion Tools ships an update every 6 months, and Car Maintenance Tracker every 5 days. Most recently, Silverson Conversion Tools was updated on September 17, 2026 and Car Maintenance Tracker on September 10, 2026.

Other comparisons