# DeviceTestApp vs Fireguard

DeviceTestApp and Fireguard are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DeviceTestApp ships an update every 11 days, Fireguard fortnightly. The most recent releases landed on October 5, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | DeviceTestApp | Fireguard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fireguard-meter/id6762114628/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Fortnightly |
| Monetization | — | Free |
| Size | 2 MB | 34 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GALAXY TELECOM](https://appshunter.io/developer/905658140) | [Hangzhou Dashi Wisdom Technology Co., Ltd.](https://appshunter.io/developer/1822219570) |

## What reviewers say

### DeviceTestApp

[App page](https://appshunter.io/ios/app/devicetestapp/id6758030896)

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

**In-app purchases:** none


### Fireguard

[App page](https://appshunter.io/ios/app/fireguard-meter/id6762114628)

This tool transforms your iPhone into a professional circuit analyzer for electricians and maintenance professionals. It offers circuit health diagnostics, fault logging with photo documentation, and precision data analysis with minute-level granularity for efficient troubleshooting and reporting.

**Highlights:** Circuit health diagnostics, Historical power curve comparison, Field fault logging with photos, Searchable fault archive, Precision data analysis, Minute-level granularity

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

**In-app purchases:** none


## Frequently asked questions

### Is DeviceTestApp free?

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

### Is Fireguard free?

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

### Do DeviceTestApp or Fireguard have ads?

Neither DeviceTestApp nor Fireguard shows ads.

### Which is updated more often, DeviceTestApp or Fireguard?

DeviceTestApp ships an update every 11 days, and Fireguard fortnightly. Most recently, DeviceTestApp was updated on October 5, 2026 and Fireguard on October 20, 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.*