# STC Zao Controller vs Compact IP Decoder

The clearest difference is iOS requirement: STC Zao Controller at 8.0 against Compact IP Decoder's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

STC Zao Controller ships an update every 5 months, Compact IP Decoder every 2 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | STC Zao Controller | Compact IP Decoder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 10 MB | 16 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Soliton Systems K.K.](https://appshunter.io/developer/400872810) | [株式会社テクノマセマティカル](https://appshunter.io/developer/1144335251) |

## What reviewers say

### STC Zao Controller

[App page](https://appshunter.io/ios/app/stc-zao-controller/id982143783)

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

**In-app purchases:** none


### Compact IP Decoder

[App page](https://appshunter.io/ios/app/compact-ip-decoder/id1144335252)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STC Zao Controller free?

STC Zao Controller is free to download, with no in-app purchases.

### Is Compact IP Decoder free?

Compact IP Decoder is free to download, with no in-app purchases.

### Do STC Zao Controller or Compact IP Decoder have ads?

Neither STC Zao Controller nor Compact IP Decoder shows ads.

### Which is updated more often, STC Zao Controller or Compact IP Decoder?

STC Zao Controller ships an update every 5 months, and Compact IP Decoder every 2 months. Most recently, STC Zao Controller was updated on October 14, 2026 and Compact IP Decoder on October 13, 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.*