# CBCMG Open Sesame vs ZIG SIM

The clearest difference is update cadence: ZIG SIM at every 9 days against CBCMG Open Sesame's every 3 months. ZIG SIM also leads on iOS requirement (13.0 vs 15.0). 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.

CBCMG Open Sesame ships an update every 3 months, ZIG SIM every 9 days. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | CBCMG Open Sesame | ZIG SIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/zig-sim/id1112909974/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 72 MB | 4 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuanping.zhou](https://appshunter.io/developer/327431073) | [1-10, INC.](https://appshunter.io/developer/1447864635) |

## What reviewers say

### CBCMG Open Sesame

[App page](https://appshunter.io/ios/app/cbcmg-open-sesame/id930367812)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CBCMG Open Sesame free?

CBCMG Open Sesame is free to download, with no in-app purchases.

### Is ZIG SIM free?

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

### Do CBCMG Open Sesame or ZIG SIM have ads?

Neither CBCMG Open Sesame nor ZIG SIM shows ads.

### Which is updated more often, CBCMG Open Sesame or ZIG SIM?

CBCMG Open Sesame ships an update every 3 months, and ZIG SIM every 9 days. Most recently, CBCMG Open Sesame was updated on October 24, 2026 and ZIG SIM on October 26, 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.*