# G vs Daymark

The clearest difference is in-app purchases: G at none against Daymark's 1. Daymark's advantage is ads (none vs shown) and update cadence (daily vs every 4 days). On price and iOS requirement there is nothing between them.

Both are free to download. Daymark sells 1 one-off in-app purchase. G asks for nothing beyond the download.

G ships an update every 4 days, Daymark daily. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | G | Daymark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/g-force-meter-plus-accelerometer/id6760181285/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Ad-supported | — |
| Size | 53 MB | 3 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) | [Adam hollett](https://appshunter.io/developer/1463630899) |

## What reviewers say

### G

[App page](https://appshunter.io/ios/app/g-force-meter-plus-accelerometer/id6760181285)

Measure real-time G-forces on three axes with a precision crosshair display. Track peak G, acceleration history, and impact forces. Ideal for car performance, roller coasters, aviation, and physics experiments.

**Highlights:** 3-axis G-force tracking, Precision crosshair display, Peak G detection, Real-time chart recording, G-force level guide, Adjustable sensitivity

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Daymark

[App page](https://appshunter.io/ios/app/daymark-countdowns/id6786417055)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Daymark Pro | $3.99 | one-time |


## Frequently asked questions

### Is G free?

G is free to download, with no in-app purchases.

### Is Daymark free?

Daymark is free to download, with in-app purchases available.

### Do G or Daymark have ads?

G shows ads; Daymark does not.

### Which is updated more often, G or Daymark?

G ships an update every 4 days, and Daymark daily. Most recently, G was updated on October 16, 2026 and Daymark on October 10, 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.*