# Gmate vs 验机

The clearest difference is in-app purchases: Gmate at none against 验机's 3. 验机's advantage is update cadence (every 5 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 验机 sells 3 in-app purchases, starting at $3.99 per month. Gmate asks for nothing beyond the download.

Gmate ships an update every 4 months, 验机 every 5 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gmate | 验机 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6759768741/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 14 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Steelmate Co., Ltd.](https://appshunter.io/developer/1184738861) | [正勇 武](https://appshunter.io/developer/1670776305) |

## What reviewers say

### Gmate

[App page](https://appshunter.io/ios/app/gmate/id6502895477)

**In-app purchases:** none


### 验机

[App page](https://appshunter.io/ios/app/id6759768741)

This app helps you thoroughly inspect used iPhones before buying or for regular health checks. It scans core components like the camera, sensors, and battery to verify authenticity and identify hidden issues, providing detailed reports for peace of mind.

**Highlights:** Comprehensive hardware scanning, Authenticity verification, Hidden issue detection, Detailed inspection reports, User-friendly testing process, On-site inspection capability

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $3.99 | per month |
| 年会员 | $9.99 | per year |
| 永久会员 | $14.99 | one-time |


## Frequently asked questions

### Is Gmate free?

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

### Is 验机 free?

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

### Do Gmate or 验机 have ads?

Neither Gmate nor 验机 shows ads.

### Which is updated more often, Gmate or 验机?

Gmate ships an update every 4 months, and 验机 every 5 weeks. Most recently, Gmate was updated on October 30, 2026 and 验机 on October 31, 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.*