# Critical Digital Service vs Compass and tools App

The clearest difference is in-app purchases: Critical Digital Service at none against Compass and tools App's 3. Critical Digital Service also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Compass and tools App sells 3 in-app purchases, starting at $1.99 per month. Critical Digital Service asks for nothing beyond the download.

Critical Digital Service ships an update every 5 weeks, Compass and tools App every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Critical Digital Service | Compass and tools App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/compass-and-tools-app/id1585633743/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 92 MB | 23 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PUBLIC TELECOMMUNICATIONS COMPANY 'STCSC SPECIALIZED'](https://appshunter.io/developer/1396379044) | [Yalintech](https://appshunter.io/developer/1530568426) |

## What reviewers say

### Critical Digital Service

[App page](https://appshunter.io/ios/app/critical-digital-service/id1469724877)

**Features:** macOS Compatibility

**In-app purchases:** none


### Compass and tools App

[App page](https://appshunter.io/ios/app/compass-and-tools-app/id1585633743)

This app offers a suite of utility tools including a digital compass, level, metal detector, and flashlight. It provides easy access to device information and settings, with support for multiple languages.

**Highlights:** Digital compass with True North, Device level and slope angle, Metal detector with vibration alarm, Flashlight and brightness control, Access to device information (model, data usage, WiFi), Quick access to device settings

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $6.49 | per year |
| One time purchase | $8.99 | one-time |


## Frequently asked questions

### Is Critical Digital Service free?

Critical Digital Service is free to download, with no in-app purchases.

### Is Compass and tools App free?

Compass and tools App is free to download, with in-app purchases available.

### Do Critical Digital Service or Compass and tools App have ads?

Compass and tools App shows ads; Critical Digital Service does not.

### Which is updated more often, Critical Digital Service or Compass and tools App?

Critical Digital Service ships an update every 5 weeks, and Compass and tools App every 5 months. Most recently, Critical Digital Service was updated on November 3, 2026 and Compass and tools App on November 3, 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.*