Comparison

G vs B777Q

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

Head to head
About

G

This app uses your device's accelerometers to calculate real-time g-force, speed, and altitude. Compare performance metrics from activities like rollercoasters or track cars. Note: not intended for flight or safety-critical use.

Highlights
  • Real-time g-force calculation
  • Speed and altitude tracking
  • Max/min value logging
  • Accelerometer data utilization
  • Performance comparison tool
Features
Read full description

See g-force calculated from your devices internal accelerometers, along with speed and altitude. Track how your favourite rollercoaster or track car compares to aerobatics! Caution - NOT FOR USE IN FLIGHT OR SAFETY CRITICAL OPERATIONS. Negative g calculation is not accurate due to device hardware limitations.

About

B777Q

Read full description

B777 is an application in which you could test your knowledge regarding the Boeing 777 family. This application was build in preparation for my own type rating exam and is for training purposes only and is not endorsed by the manufacturer or any airline. The application includes: Over 500 questions Maneuvers Limitations Memory items Abbreviations No internet connection is required to use this application You may purchase an auto-renewing subscription through an In-App Purchase, to use the full application. • Auto-renewable subscription • 1 year $5.99 • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase • Privacy policy and terms of use: https://appstimize.nl/privacy-policy/ • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

G1 screens
B777Q4 screens

Verdict

The call

The clearest difference is price: B777Q at Free against G's $0.99. B777Q also leads on update cadence (every 3 weeks vs every 9 months). G's advantage is in-app purchases (none vs 1) and iOS requirement (13.5 vs 16.6). On 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

B777Q is free to download; G costs $0.99 up front. B777Q sells 1 in-app purchase, starting at $3.99 per year. G asks for nothing beyond the download.

UpkeepUpdate frequency

G ships an update every 9 months, B777Q every 3 weeks. The most recent releases landed on September 26, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
G versus B777Q: the parameters behind the verdict, then further details
ParameterGB777Q
Price$0.99Free — better
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 9 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.5 — better16.6
Further details — not scored
Size1 MB22 MB
Age rating4+4+
DeveloperRob BarltropAppstimize

In-app purchases

None

G

No in-app purchases

1 purchases

B777Q

Subscriptions1
  • Pro$3.991 Year

Questions

Is G free?
G costs $0.99, with no in-app purchases.
Is B777Q free?
B777Q is free to download, with in-app purchases available.
Do G or B777Q have ads?
Neither G nor B777Q shows ads.
Which is updated more often, G or B777Q?
G ships an update every 9 months, and B777Q every 3 weeks. Most recently, G was updated on September 26, 2026 and B777Q on October 10, 2026.

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