# CircuitIQ vs Subtrade

The clearest difference is update cadence: Subtrade at every 4 weeks against CircuitIQ's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CircuitIQ ships an update every 2 months, Subtrade every 4 weeks. The most recent releases landed on October 2, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | CircuitIQ | Subtrade |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 64 MB | 43 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [CircuitIQ Inc.](https://appshunter.io/developer/1576240760) | [SubTrade Software Ltd.](https://appshunter.io/developer/1840059825) |

## What reviewers say

### CircuitIQ

[App page](https://appshunter.io/ios/app/circuitiq/id1576240758)

This app guides users through a systematic process to map electrical circuits with 100% accuracy. It collects data from smart mappers to identify capacity issues and optimize power distribution for various project types.

**Highlights:** Step-by-step guided mapping process, Collects electrical data via smart mappers, Achieves 100% accuracy in circuit identification, Identifies and highlights capacity issues, Tailored kits for different project needs, Streamlines power distribution mapping

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

**In-app purchases:** none


### Subtrade

[App page](https://appshunter.io/ios/app/subtrade/id6752587413)

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

**In-app purchases:** none


## Frequently asked questions

### Is CircuitIQ free?

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

### Is Subtrade free?

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

### Do CircuitIQ or Subtrade have ads?

Neither CircuitIQ nor Subtrade shows ads.

### Which is updated more often, CircuitIQ or Subtrade?

CircuitIQ ships an update every 2 months, and Subtrade every 4 weeks. Most recently, CircuitIQ was updated on October 2, 2026 and Subtrade on October 19, 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.*