# Thermostat vs Smart Chip

The clearest difference is update cadence: Smart Chip at every 5 weeks against Thermostat's every 25 months. Thermostat's advantage is iOS requirement (13.0 vs 15.6). 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.

Thermostat ships an update every 25 months, Smart Chip every 5 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Thermostat | Smart Chip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 5 weeks** |
| Size | 2 MB | 85 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Feller AG](https://appshunter.io/developer/525095492) | [Smart Chip Switzerland AG](https://appshunter.io/developer/1764048074) |

## What reviewers say

### Thermostat

[App page](https://appshunter.io/ios/app/thermostat/id1004587614)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Chip

[App page](https://appshunter.io/ios/app/smart-chip/id6746559371)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermostat free?

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

### Is Smart Chip free?

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

### Do Thermostat or Smart Chip have ads?

Neither Thermostat nor Smart Chip shows ads.

### Which is updated more often, Thermostat or Smart Chip?

Thermostat ships an update every 25 months, and Smart Chip every 5 weeks. Most recently, Thermostat was updated on October 24, 2026 and Smart Chip on October 28, 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.*