# Tactical Edge SOS vs Dozecal

The clearest difference is update cadence: Tactical Edge SOS at every 6 weeks against Dozecal's every 10 months. Dozecal's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Tactical Edge SOS ships an update every 6 weeks, Dozecal every 10 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Tactical Edge SOS | Dozecal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/dozecal/id1521160089/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 10 months |
| Monetization | — | Free |
| Size | 111 MB | 27 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SOS-ICT (PTY) LTD](https://appshunter.io/developer/1520000687) | [Johan Kovacs](https://appshunter.io/developer/1486605020) |

## What reviewers say

### Tactical Edge SOS

[App page](https://appshunter.io/ios/app/tactical-edge-sos/id1467877161)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dozecal

[App page](https://appshunter.io/ios/app/dozecal/id1521160089)

This educational calculator promotes the use of Base Twelve (duodecimal) in math and science. It offers standard mathematical functions in both duodecimal and decimal modes, with automatic conversion between them. It utilizes Reverse Polish Notation (RPN) for calculations.

**Highlights:** Duodecimal and Decimal modes, Automatic mode conversion, RPN (Reverse Polish Notation) input, Standard math functions, Trigonometric operations (degrees), Educational tool for Base Twelve

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tactical Edge SOS free?

Tactical Edge SOS is free to download, with no in-app purchases.

### Is Dozecal free?

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

### Do Tactical Edge SOS or Dozecal have ads?

Neither Tactical Edge SOS nor Dozecal shows ads.

### Which is updated more often, Tactical Edge SOS or Dozecal?

Tactical Edge SOS ships an update every 6 weeks, and Dozecal every 10 months. Most recently, Tactical Edge SOS was updated on November 3, 2026 and Dozecal 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.*