# Gauss Meter vs CrystalGen

The clearest difference is update cadence: Gauss Meter at every 2 months against CrystalGen's every 38 months. Gauss Meter also leads on price ($1.99 vs $2.99) and iOS requirement (13.0 vs 17.2). On ads, in-app purchases and device support there is nothing between them.

Gauss Meter costs $1.99 and CrystalGen $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gauss Meter ships an update every 2 months, CrystalGen every 38 months. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Gauss Meter | CrystalGen |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[3.0 (10 ratings)](https://appshunter.io/ios/app/gauss-meter/id698042661/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 38 months |
| Monetization | Paid | — |
| Size | 5 MB | 3 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HUNG HSUN LIN](https://appshunter.io/developer/482586427) | [Steve Kliewer](https://appshunter.io/developer/1255655631) |

## What reviewers say

### Gauss Meter

[App page](https://appshunter.io/ios/app/gauss-meter/id698042661)

Measure magnetic field strength and detect metals using your device's sensors. Visualize data in real-time, customize alerts, and map measurement points. Export data and attach media for detailed analysis.

**Highlights:** Magnetic field measurement, Real-time data plotting, Multiple unit support, Customizable alerts, Map measurement points, Data export to CSV, Attach photos, videos, voice records

**Features:** Vision Pro support

**In-app purchases:** none


### CrystalGen

[App page](https://appshunter.io/ios/app/crystalgen/id1589074466)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gauss Meter free?

Gauss Meter costs $1.99, with no in-app purchases.

### Is CrystalGen free?

CrystalGen costs $2.99, with no in-app purchases.

### Do Gauss Meter or CrystalGen have ads?

Neither Gauss Meter nor CrystalGen shows ads.

### Which is updated more often, Gauss Meter or CrystalGen?

Gauss Meter ships an update every 2 months, and CrystalGen every 38 months. Most recently, Gauss Meter was updated on October 15, 2026 and CrystalGen on October 19, 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.*