# My Notes vs ZIG SIM

The clearest difference is review sentiment: ZIG SIM at 88% against My Notes's 30%. ZIG SIM also leads on in-app purchases (none vs 2) and update cadence (every 9 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. My Notes sells 2 in-app purchases, starting at $1.99 per month. ZIG SIM asks for nothing beyond the download.

My Notes ships an update every 5 weeks, ZIG SIM every 9 days. The most recent releases landed on September 28, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | My Notes | ZIG SIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/zig-sim/id1112909974/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 30.0% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 4 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Inexika Inc.](https://appshunter.io/developer/481161807) | [1-10, INC.](https://appshunter.io/developer/1447864635) |

## What reviewers say

### My Notes

[App page](https://appshunter.io/ios/app/my-notes-hcl-notes-mobile/id726998714)

Access your HCL Notes applications like Mail, Calendar, and Contacts on your mobile device. It offers secure, encrypted data transfer and works seamlessly with your desktop client.

**Highlights:** HCL Notes app integration, Secure data encryption (AES, SSL), Full-text search, Encrypted and signed messages, Cross-platform desktop support, Easy QR code connection

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro subscription | $1.99 | per month |
| Pro subscription | $19.99 | per year |


### 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 My Notes free?

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

### Is ZIG SIM free?

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

### Do My Notes or ZIG SIM have ads?

Neither My Notes nor ZIG SIM shows ads.

### Which is updated more often, My Notes or ZIG SIM?

My Notes ships an update every 5 weeks, and ZIG SIM every 9 days. Most recently, My Notes was updated on September 28, 2026 and ZIG SIM 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.*