Comparison

FVAG vs Check My Solar

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

Head to head
About

FVAG

This diagnostic scanner app provides comprehensive vehicle checks for VW, Audi, Skoda, and Seat models. It's a compact and user-friendly tool that allows operation and diagnosis directly from a mobile phone. The app offers numerous special functions for in-depth vehicle maintenance and troubleshooting.

Highlights
  • Comprehensive vehicle scanning
  • Special functions (Throttle Adaptation, Immobilizer, etc.)
  • Mobile phone operation
  • Compact and easy to use
  • Free for life
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FVAG is one of the most comprehensive and cost-effective scanners for VW, Audi, Skoda, and Seat. The scanner is extremely small and easy to use. Customer can operate and diagnose on his mobile phone, and the APP is totally free for life. More importantly, FVAG provides tons of special functions including Throttle Adaptation, Immobilizer, Actuation Test, Transmission Test, Service Reset and many more.

About

Check My Solar

Features
Read full description

Monitor your Fox ESS solar system with real-time insights, smart notifications, Home Screen widgets, and comprehensive analytics. Check My Solar is the companion app for Fox ESS owners who want a clear, modern dashboard: solar production, battery, home consumption, and grid import/export in one place-on your iPhone, and now on your Home Screen and Lock Screen. Home Screen widgets & Live Activity • Live Activity on the Lock Screen and Dynamic Island: today’s generation, forecast context, live home power, battery level-or export and earnings when the battery is full. • Widgets for today’s solar, load, grid, export, battery, money, live status, month/year summaries, day curves for solar and load, forecast, forecast vs actual, net grid, peak hour, and more-mix and match the tiles that matter to you. • Many advanced widgets are included with Check My Solar Pro; core today views remain accessible so everyone can get value from the Home Screen. Real-time monitoring • Live power and energy totals, with updates driven by Fox Cloud (typically every 2–5 minutes for live readings-see in-app help for detail). • Battery charge/discharge and state of charge. • House consumption and grid import/export. • Environmental context and inverter work mode awareness. • Support for multiple devices across linked Fox Cloud accounts. Analytics & insights • History across day, week, month, and year with interactive charts for generation, consumption, and flow. • Self-sufficiency and self-consumption insights where data is available. • Peak generation and operational signals to understand performance. • Flexible date ranges for deeper analysis. Notifications • Alerts when inverter work mode changes. • Daily, weekly, and monthly generation summaries via push. • Configurable preferences and delivery windows. • Email option for summaries where enabled. Financial tracking • Configure energy rates for import, export, and standing charges. • See costs, credits, and net position over time. • Financial context in notifications where rates are set. Solar forecasting • Generation forecasts with setup for system capacity, tilt, and orientation. • Tomorrow’s outlook and peak timing; sunrise/sunset style planning aids. Energy flow • Interactive diagram of power between solar, battery, home, and grid with motion that reflects live status. • Tap through for more detail on each part of the system. Built for privacy & reliability • AES-256-GCM encryption for stored API key material on the server. • Sensible caching for speed and offline resilience. • Designed so your energy data stays yours. Great for • Fox ESS owners who want depth without clutter. • Households optimizing self-consumption and bills. • Anyone who checks their system multiple times a day-now from the Home Screen. Start monitoring today and keep your energy story in view-on the web dashboard and on your iPhone. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

FVAG3 screens
Check My Solar4 screens

Verdict

The call

The clearest difference is in-app purchases: FVAG at none against Check My Solar's 7. FVAG also leads on iOS requirement (11.0 vs 18.6). Check My Solar's advantage is update cadence (weekly vs every 5 weeks). On price, 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. Check My Solar sells 7 in-app purchases, starting at $5.99 per year. FVAG asks for nothing beyond the download.

UpkeepUpdate frequency

FVAG ships an update every 5 weeks, Check My Solar weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
FVAG versus Check My Solar: the parameters behind the verdict, then further details
ParameterFVAGCheck My Solar
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS11.0 — better18.6
Further details — not scored
Size18 MB32 MB
Age rating4+4+
Developer深圳市爱夫卡科技有限公司Jack Pearce

In-app purchases

None

FVAG

No in-app purchases

7 purchases

Check My Solar

Subscriptions1
  • Yearly Check My Solar Pro$5.991 Year
One-time6
  • Tiny Tip$0.99
  • Small thanks$2.99
  • Check My Solar Pro$5.99
Show 3 more
  • Medium Tip$5.99
  • Large Tip$7.99
  • Massive Tip$19.99

Questions

Is FVAG free?
FVAG is free to download, with no in-app purchases.
Is Check My Solar free?
Check My Solar is free to download, with in-app purchases available.
Do FVAG or Check My Solar have ads?
Neither FVAG nor Check My Solar shows ads.
Which is updated more often, FVAG or Check My Solar?
FVAG ships an update every 5 weeks, and Check My Solar weekly. Most recently, FVAG was updated on November 3, 2026 and Check My Solar on October 30, 2026.

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