# L.E.D. Lab vs ZIG SIM

The clearest difference is in-app purchases: ZIG SIM at none against L.E.D. Lab's 11. ZIG SIM also leads on update cadence (every 9 days vs every 4 months) and rating (5.0 vs 4.6). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. L.E.D. Lab sells 11 one-off in-app purchases. ZIG SIM asks for nothing beyond the download.

ZIG SIM holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 15 and 8 respectively. Written reviews point the same way: 81% of L.E.D. Lab's written reviews are positive against 100% of ZIG SIM's.

L.E.D. Lab ships an update every 4 months, ZIG SIM every 9 days. The most recent releases landed on August 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | L.E.D. Lab | ZIG SIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (15 ratings)](https://appshunter.io/ios/app/led-lab/id832042156/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/zig-sim/id1112909974/reviews)** |
| Number of ratings | **15** | 8 |
| Positive reviews | 81.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 23 MB | 4 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Schardt](https://appshunter.io/developer/352273485) | [1-10, INC.](https://appshunter.io/developer/1447864635) |

## What reviewers say

### L.E.D. Lab

[App page](https://appshunter.io/ios/app/led-lab/id832042156)

Create dynamic visual experiences for LED displays without custom programming. Animate images, videos, and particles, and synchronize them with music or external audio inputs. Ideal for artists, designers, and hobbyists looking to add animated color to various projects.

**Highlights:** Create and animate scenes with images, videos, and camera feeds, Animate particle color, velocity, and brightness for LED strips, Synchronize visuals with music from your library, Audio reactivity for parameter control, External control via MIDI, DMX, ArtNet, OSC, Color keying and tiling for advanced compositing, Supports various LED controllers and external monitors

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Live Microphone | $9.99 | one-time |
| Live Video | $9.99 | one-time |
| LED Display | $19.99 | one-time |
| External Control | $19.99 | one-time |
| Music | $19.99 | one-time |
| External Screen | $39.99 | one-time |
| Authoring | $49.99 | one-time |
| LED Artist Pack | $59.99 | one-time |
| VJ Pack | $79.99 | one-time |
| Advanced Mapping | $84.99 | one-time |
| Everything Pack | $209.99 | one-time |


### 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 L.E.D. Lab free?

L.E.D. Lab is free to download, with in-app purchases available.

### Is ZIG SIM free?

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

### Which has better reviews, L.E.D. Lab or ZIG SIM?

ZIG SIM is rated higher. L.E.D. Lab averages 4.6 out of 5 from 15 ratings, while ZIG SIM averages 5.0 from 8 ratings.

### Do L.E.D. Lab or ZIG SIM have ads?

Neither L.E.D. Lab nor ZIG SIM shows ads.

### Which is updated more often, L.E.D. Lab or ZIG SIM?

L.E.D. Lab ships an update every 4 months, and ZIG SIM every 9 days. Most recently, L.E.D. Lab was updated on August 17, 2026 and ZIG SIM on September 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.*