# ZIG SIM vs CRYOPDP Track

The clearest difference is update cadence: ZIG SIM at every 9 days against CRYOPDP Track's every 2 months. CRYOPDP Track's advantage is iOS requirement (11.0 vs 13.0). 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.

ZIG SIM ships an update every 9 days, CRYOPDP Track every 2 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | ZIG SIM | CRYOPDP Track |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/zig-sim/id1112909974/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free | — |
| Size | 4 MB | 50 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [1-10, INC.](https://appshunter.io/developer/1447864635) | [CRYO INTERNATIONAL](https://appshunter.io/developer/1222964747) |

## What reviewers say

### ZIG SIM

[App page](https://appshunter.io/ios/app/zig-sim/id1112909974)

This app allows physical prototyping by sending smartphone sensor data to other devices via UDP socket communication. It enables verification of wearable devices and IoT without electronic kits. Supports various sensors and communication protocols.

**Highlights:** Smartphone sensor data transmission, UDP socket communication, Wearable device verification, IoT prototyping, Supports OSC and JSON messaging, Adjustable communication rates (1-60 FPS)

**Features:** macOS Compatibility

**In-app purchases:** none


### CRYOPDP Track

[App page](https://appshunter.io/ios/app/cryopdp-track/id1424931146)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZIG SIM free?

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

### Is CRYOPDP Track free?

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

### Do ZIG SIM or CRYOPDP Track have ads?

Neither ZIG SIM nor CRYOPDP Track shows ads.

### Which is updated more often, ZIG SIM or CRYOPDP Track?

ZIG SIM ships an update every 9 days, and CRYOPDP Track every 2 months. Most recently, ZIG SIM was updated on November 2, 2026 and CRYOPDP Track on November 2, 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.*