# G vs B777Q

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.

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.

G ships an update every 9 months, B777Q every 3 weeks. The most recent releases landed on September 26, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | G | B777Q |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/g-meter/id1516294953/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 1 MB | 22 MB |
| Requires iOS | **13.5** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rob Barltrop](https://appshunter.io/developer/1513961240) | [Appstimize](https://appshunter.io/developer/1555117144) |

## What reviewers say

### G

[App page](https://appshunter.io/ios/app/g-meter/id1516294953)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### B777Q

[App page](https://appshunter.io/ios/app/b777q/id6474092521)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $3.99 | per year |


## Frequently asked 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 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*