# HT400 vs WiseCar

The clearest difference is in-app purchases: HT400 at none against WiseCar's 2. HT400 also leads on iOS requirement (8.0 vs 17.0). WiseCar's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. WiseCar sells 2 in-app purchases, starting at $0.99 per month. HT400 asks for nothing beyond the download.

HT400 ships an update every 3 months, WiseCar weekly. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | HT400 | WiseCar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ht400/id1289067143/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 28 MB | 88 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [ISIPARK IC VE DIS TICARET INSAAT ISITMA SISTEMLERI OTOMOTIV SANAYI ANONIM SIRKETI](https://appshunter.io/developer/1289067142) | [WiseCar](https://appshunter.io/developer/1848177632) |

## What reviewers say

### HT400

[App page](https://appshunter.io/ios/app/ht400/id1289067143)

This smart thermostat app allows you to remotely control your home's temperature with precise accuracy. Save on energy bills by creating custom schedules and utilizing intelligent modes. Monitor historical data and manage multiple homes or family members from a single application.

**Highlights:** Remote temperature control worldwide, Daily/weekly program creation, Six distinct control modes, Location-based temperature adjustment, Historical heating reports, Multi-home and family sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### WiseCar

[App page](https://appshunter.io/ios/app/wisecar/id6754394758)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WiseCar Plus | $0.99 | per month |
| WiseCar Plus Yearly | $9.99 | per year |


## Frequently asked questions

### Is HT400 free?

HT400 is free to download, with no in-app purchases.

### Is WiseCar free?

WiseCar is free to download, with in-app purchases available.

### Do HT400 or WiseCar have ads?

Neither HT400 nor WiseCar shows ads.

### Which is updated more often, HT400 or WiseCar?

HT400 ships an update every 3 months, and WiseCar weekly. Most recently, HT400 was updated on October 6, 2026 and WiseCar on October 16, 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.*