# ZIG SIM vs FieldMeasurePro

The clearest difference is ratings volume: ZIG SIM at 8 against FieldMeasurePro's 1. ZIG SIM also leads on iOS requirement (13.0 vs 17.0). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for ZIG SIM against 5.0 for FieldMeasurePro. That said, the two scores are not equally well evidenced: ZIG SIM has 8 ratings behind it against 1, so its average is the more settled of the two.

ZIG SIM ships an update every 9 days, FieldMeasurePro every 2 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | ZIG SIM | FieldMeasurePro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/zig-sim/id1112909974/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/fieldmeasurepro/id6778903792/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 4 MB | 30 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [1-10, INC.](https://appshunter.io/developer/1447864635) | [Luis Tosado](https://appshunter.io/developer/6778903794) |

## 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


### FieldMeasurePro

[App page](https://appshunter.io/ios/app/fieldmeasurepro/id6778903792)

Quickly measure job sites and create priced estimates directly from your device, even without an internet connection. Capture room dimensions, build estimates, and add photos to generate shareable PDF reports.

**Highlights:** Offline job site measurement, On-site estimate building, Customizable pricebook, Room sketching, Photo attachment, PDF estimate export

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

**In-app purchases:** none


## Frequently asked questions

### Is ZIG SIM free?

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

### Is FieldMeasurePro free?

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

### Which has better reviews, ZIG SIM or FieldMeasurePro?

ZIG SIM and FieldMeasurePro are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.

### Do ZIG SIM or FieldMeasurePro have ads?

Neither ZIG SIM nor FieldMeasurePro shows ads.

### Which is updated more often, ZIG SIM or FieldMeasurePro?

ZIG SIM ships an update every 9 days, and FieldMeasurePro every 2 weeks. Most recently, ZIG SIM was updated on October 10, 2026 and FieldMeasurePro on October 10, 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.*