# Visible PIN vs Metrix Toolkit

The clearest difference is in-app purchases: Visible PIN at none against Metrix Toolkit's 1. Visible PIN also leads on update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Metrix Toolkit sells 1 one-off in-app purchase. Visible PIN asks for nothing beyond the download.

Visible PIN ships an update every 2 days, Metrix Toolkit every 2 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Visible PIN | Metrix Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/metrix-toolkit/id6764204248/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 1 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Volobuev](https://appshunter.io/developer/406615782) | [Joseph May](https://appshunter.io/developer/1784009526) |

## What reviewers say

### Visible PIN

[App page](https://appshunter.io/ios/app/visible-pin/id6753689194)

**Features:** macOS Compatibility

**In-app purchases:** none


### Metrix Toolkit

[App page](https://appshunter.io/ios/app/metrix-toolkit/id6764204248)

Access detailed information about your device's sensors, radios, and hardware. Inspect NFC tags, scan Bluetooth devices, and test audio output. Unlock advanced features with a one-time purchase.

**Highlights:** Sensor readouts (GPS, barometer, gyroscope), NFC tag reading and writing, Bluetooth device scanning and GATT inspection, Audio output testing, LiDAR distance mapping, Network and device details

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Metrix Pro | $4.99 | one-time |


## Frequently asked questions

### Is Visible PIN free?

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

### Is Metrix Toolkit free?

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

### Do Visible PIN or Metrix Toolkit have ads?

Neither Visible PIN nor Metrix Toolkit shows ads.

### Which is updated more often, Visible PIN or Metrix Toolkit?

Visible PIN ships an update every 2 days, and Metrix Toolkit every 2 weeks. Most recently, Visible PIN was updated on October 18, 2026 and Metrix Toolkit on October 7, 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.*