# Army Knife — A Swiss Army Knife for iPhone

> Multi-tool utility app with GPS, speedometer, magnetometer, and sound meter. (iPhone/iPad app by Lazaros Vrysis.)

- Source: https://appshunter.io/ios/app/army-knife/id942291511 (this page in markdown: same URL + `.md`)
- Developer: [Lazaros Vrysis](https://appshunter.io/developer/426938172)
- Category: Utilities, Navigation
- Price: $1.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 1 MB
- Languages: English
- Released: 2014-12-02
- Data updated: 2026-06-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/army-knife/id942291511/reviews.md

## What is Army Knife?

The app features:

• GPS module that estimates geographical coordinates and heading. You can share the data easily via e-mail.

• Speedometer, capable of estimating speed with high accuracy.

• Magnetometer that measures the magnetic field near your iPhone, by utilizing the compass sensor of the device. Readings are presented on each axis (x, y, z) and in total as well.

• Sound Level Meter measuring Sound Pressure with high precision. Max, Min, Leq readings are also provided.

All these in one handy package!

## Key features

- GPS module with coordinate and heading sharing
- High-accuracy speedometer
- Magnetometer for magnetic field measurement
- Sound Level Meter with precision readings
- All-in-one utility package


## Frequently asked questions about Army Knife

### What tools are included in Army Knife?

Army Knife includes a GPS module, a speedometer, a magnetometer, and a sound level meter. These tools are designed to provide various measurements and tracking capabilities directly from your iPhone.

### How accurate is the speedometer in Army Knife?

The speedometer in Army Knife is capable of estimating speed with high accuracy. This allows users to get reliable speed readings for various activities.

### Can I share my GPS data from Army Knife?

Yes, the GPS module in Army Knife allows you to share your estimated geographical coordinates and heading easily via e-mail. This feature is useful for navigation and tracking purposes.

### What does the magnetometer in Army Knife measure?

The magnetometer in Army Knife measures the magnetic field near your iPhone using the device's compass sensor. It presents readings on each axis (x, y, z) and the total magnetic field strength.

### How precise is the Sound Level Meter in Army Knife?

The Sound Level Meter in Army Knife measures Sound Pressure with high precision. It also provides Max, Min, and Leq readings for comprehensive sound analysis.

### What devices is Army Knife compatible with?

Army Knife is compatible with iPhone and iPod devices. It is designed to run on these Apple mobile platforms.

### How much does Army Knife cost?

Army Knife is a paid application, priced at $1.99. This one-time purchase grants access to all its utility features.

### When was Army Knife last updated?

Army Knife was last updated on October 19, 2018. The latest version available is 1.3.0.

## Version history (last 4 releases)

### 1.3.0 — 2018-10-19

- iPhone X, XS, XS Max and XR support
- Speed measurement optimizations

### 1.2.0 — 2017-08-26

+ Speedometer
+ Magnetic Field Meter

### 1.1.0 — 2015-06-23

+ Altitude indicator
+ Accuracy indicators for heading, horizontal and vertical position

### 1.0.0 — 2014-12-01

No release notes.

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| --- | --- | --- | --- |
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| [My Howell MI](https://appshunter.io/ios/app/my-howell-mi/id6444959727) | 4.0 (2) | Free | Utilities |
| [Portable Freezer](https://appshunter.io/ios/app/portable-freezer/id1444718255) | 2.2 (10) | Free | Utilities |
| [Super Swiss Knife](https://appshunter.io/ios/app/super-swiss-knife/id910771801) | 3.2 (13) | Free | Utilities |
| [Garmin RV Controls](https://appshunter.io/ios/app/garmin-rv-controls/id1627476552) | 2.2 (5) | Free | Utilities |
| [iSwissTool](https://appshunter.io/ios/app/iswisstool/id394856822) | 3.3 (3) | $0.99 | Utilities |

## More apps by Lazaros Vrysis

- [Kiss or Miss - A thousand ways to live a date](https://appshunter.io/ios/app/kiss-or-miss-a-thousand-ways-to-live-a-date/id882772875)
- [SoundMaster SLM](https://appshunter.io/ios/app/soundmaster-slm/id1273113441)
- [SoundMaster RTA](https://appshunter.io/ios/app/soundmaster-rta/id1273125700)
- [SoundMaster ISA](https://appshunter.io/ios/app/soundmaster-isa/id1273127092)
- [SoundMaster RVA](https://appshunter.io/ios/app/soundmaster-rva/id1291725677)

All apps by Lazaros Vrysis: https://appshunter.io/developer/426938172

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*