# Control 365 vs Isochron

The clearest difference is in-app purchases: Control 365 at none against Isochron's 1. Isochron's advantage is update cadence (every 6 weeks vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Isochron sells 1 one-off in-app purchase. Control 365 asks for nothing beyond the download.

Control 365 ships an update every 14 months, Isochron every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Control 365 | Isochron |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/control-365/id6743322860/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 40 MB | 4 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Eagle Mountain](https://appshunter.io/developer/1802219001) | [Seth Adam Mundall](https://appshunter.io/developer/1626079549) |

## What reviewers say

### Control 365

[App page](https://appshunter.io/ios/app/control-365/id6743322860)

Manage your smart home or business's hydronic HVAC systems remotely. Adjust settings and monitor your environment from your phone or tablet, offering convenience and control from any location.

**Highlights:** Remote HVAC system control, Smart home management, Business system monitoring, Mobile access, Anytime, anywhere control

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

**In-app purchases:** none


### Isochron

[App page](https://appshunter.io/ios/app/isochron-watch-accuracy/id6780989450)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Isochron Pro | $9.99 | one-time |


## Frequently asked questions

### Is Control 365 free?

Control 365 is free to download, with no in-app purchases.

### Is Isochron free?

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

### Do Control 365 or Isochron have ads?

Neither Control 365 nor Isochron shows ads.

### Which is updated more often, Control 365 or Isochron?

Control 365 ships an update every 14 months, and Isochron every 6 weeks. Most recently, Control 365 was updated on October 30, 2026 and Isochron on October 31, 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.*