# IHS Smart Control vs Yellow Light Card

The clearest difference is update cadence: Yellow Light Card at weekly against IHS Smart Control's every 2 months. IHS Smart Control's advantage is device support (3 vs 1) and iOS requirement (13.5 vs 16.4). On price, ads and in-app purchases there is nothing between them.

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

IHS Smart Control ships an update every 2 months, Yellow Light Card weekly. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IHS Smart Control | Yellow Light Card |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ihs-smart-control/id1125947415/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 118 MB | 71 MB |
| Requires iOS | **13.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [IHS Innovation ApS](https://appshunter.io/developer/1112659212) | [Procura IT Ltd](https://appshunter.io/developer/1896485347) |

## What reviewers say

### IHS Smart Control

[App page](https://appshunter.io/ios/app/ihs-smart-control/id1125947415)

This app offers electronic control for wood burning stoves, ensuring optimal airflow for cleaner and more economical heating. It simplifies lighting, restoking, and allows you to set desired room temperatures, providing notifications for refueling and extending combustion for overnight warmth.

**Highlights:** Automatic optimum airflow control, Easy lighting and restoking, Set and maintain desired room temperature, Refueling notifications, Reduced firewood consumption, Night reduction for extended burn, Combustion development tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Yellow Light Card

[App page](https://appshunter.io/ios/app/yellow-light-card/id6779949870)

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

**In-app purchases:** none


## Frequently asked questions

### Is IHS Smart Control free?

IHS Smart Control is free to download, with no in-app purchases.

### Is Yellow Light Card free?

Yellow Light Card is free to download, with no in-app purchases.

### Do IHS Smart Control or Yellow Light Card have ads?

Neither IHS Smart Control nor Yellow Light Card shows ads.

### Which is updated more often, IHS Smart Control or Yellow Light Card?

IHS Smart Control ships an update every 2 months, and Yellow Light Card weekly. Most recently, IHS Smart Control was updated on October 16, 2026 and Yellow Light Card on October 24, 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.*