# Zing vs Circuit Wiring Simulator

The clearest difference is in-app purchases: Zing at none against Circuit Wiring Simulator's 5. Zing also leads on iOS requirement (11.0 vs 13.0). Circuit Wiring Simulator's advantage is update cadence (every 8 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Circuit Wiring Simulator sells 5 one-off in-app purchases. Zing asks for nothing beyond the download.

Zing ships an update every 4 weeks, Circuit Wiring Simulator every 8 days. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Zing | Circuit Wiring Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (19 ratings)](https://appshunter.io/ios/app/zing/id1344946075/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 34.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Monetization | Free | — |
| Size | 55 MB | 46 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Factory Method](https://appshunter.io/developer/1159492190) | [沛洁 赖](https://appshunter.io/developer/1895142467) |

## What reviewers say

### Zing

[App page](https://appshunter.io/ios/app/zing/id1344946075)

Control a smart night light with your phone for customizable lighting effects. It can learn your routines to illuminate paths automatically and notify you of movement or smartphone events.

**Highlights:** Full-color plug-in night light, Smartphone control, Customizable light effects, Routine learning for automatic illumination, Movement and smartphone event notifications, Visual indicator for calls

**Features:** macOS Compatibility

**In-app purchases:** none


### Circuit Wiring Simulator

[App page](https://appshunter.io/ios/app/circuit-wiring-simulator/id6763458134)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-day VIP | $4.99 | one-time |
| 90-day VIP | $8.99 | one-time |
| One-year VIP | $15.90 | one-time |
| three-year VIP | $24.99 | one-time |
| Lifetime VIP | $34.99 | one-time |


## Frequently asked questions

### Is Zing free?

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

### Is Circuit Wiring Simulator free?

Circuit Wiring Simulator is free to download, with in-app purchases available.

### Do Zing or Circuit Wiring Simulator have ads?

Neither Zing nor Circuit Wiring Simulator shows ads.

### Which is updated more often, Zing or Circuit Wiring Simulator?

Zing ships an update every 4 weeks, and Circuit Wiring Simulator every 8 days. Most recently, Zing was updated on October 21, 2026 and Circuit Wiring Simulator on October 13, 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.*