# ZIG SIM vs Expengic

The clearest difference is in-app purchases: ZIG SIM at none against Expengic's 1. ZIG SIM also leads on update cadence (every 9 days vs every 2 months) and ratings volume (8 vs 1). Expengic's advantage is review sentiment (100% vs 88%). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. Expengic sells 1 in-app purchase, starting at $1.99 per month. ZIG SIM asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ZIG SIM against 5.0 for Expengic. 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. Written reviews are what separate them: 88% of ZIG SIM's written reviews are positive against 100% of Expengic's.

ZIG SIM ships an update every 9 days, Expengic every 2 months. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ZIG SIM | Expengic |
| --- | --- | --- |
| 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/expengic/id6753862498/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 4 MB | 19 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [1-10, INC.](https://appshunter.io/developer/1447864635) | [Jawwad Firdousi](https://appshunter.io/developer/1844667040) |

## 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


### Expengic

[App page](https://appshunter.io/ios/app/expengic/id6753862498)

Easily manage shared expenses by creating groups, scanning receipts with AI, and tracking who owes whom. Supports custom splits, multiple currencies, and detailed settlement history for seamless group finance management.

**Highlights:** Shared expense groups, AI receipt scanning, Manual expense entry, Receipt photo/PDF import, Equal and custom splits, Settlement suggestions, Multi-currency support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $1.99 | per month |


## Frequently asked questions

### Is ZIG SIM free?

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

### Is Expengic free?

Expengic is free to download, with in-app purchases available.

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

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

### Do ZIG SIM or Expengic have ads?

Neither ZIG SIM nor Expengic shows ads.

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

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