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.
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
Car Maintenance Tracker
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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
Verdict
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
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, Car Maintenance Tracker every 5 days. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.
| Parameter | Silverson Conversion Tools | Car Maintenance Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 9 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Silverson Machines Limited | Imad Attif |
In-app purchases
Silverson Conversion Tools
No in-app purchases
Car Maintenance Tracker
No in-app purchases
Questions
Is Silverson Conversion Tools free?
Is Car Maintenance Tracker free?
Do Silverson Conversion Tools or Car Maintenance Tracker have ads?
Which is updated more often, Silverson Conversion Tools or Car Maintenance Tracker?
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