# CTSmall heat pump controller vs S7pro™

The clearest difference is in-app purchases: CTSmall heat pump controller at none against S7pro™'s 10. CTSmall heat pump controller also leads on iOS requirement (7.0 vs 11.0). S7pro™'s advantage is update cadence (every 5 months vs every 15 months). On price, ads and device support there is nothing between them.

Both are free to download. S7pro™ sells 8 one-off in-app purchases. CTSmall heat pump controller asks for nothing beyond the download.

CTSmall heat pump controller ships an update every 15 months, S7pro™ every 5 months. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CTSmall heat pump controller | S7pro™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ctsmall-heat-pump-controller/id868825104/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 11 MB | 130 MB |
| Requires iOS | **7.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Flemming Veng](https://appshunter.io/developer/868825107) | [SikkertHjem ApS](https://appshunter.io/developer/663727427) |

## What reviewers say

### CTSmall heat pump controller

[App page](https://appshunter.io/ios/app/ctsmall-heat-pump-controller/id868825104)

Remotely manage your heat pump's temperature and settings from anywhere. Control heating, cooling, and even additional relay outputs like water heaters. Receive alerts and ensure your home is always at the desired temperature.

**Highlights:** Remote heat pump control, Temperature adjustment, Control of two relay outputs, Power guard functionality, Alarm output, Supports over 35 heat pump brands, Event system for custom actions

**Features:** macOS Compatibility

**In-app purchases:** none


### S7pro™

[App page](https://appshunter.io/ios/app/s7pro/id1628518150)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IPC Service 30 Days | $1.99 | one-time |
| Family Service 30 Days | $5.99 | one-time |
| Family Service 30 Days | $6.99 | one-time |
| IPC Service 365 Days | $17.99 | one-time |
| IPC Service 365 Days | $22.99 | one-time |
| IPC Service 365 Days | $23.99 | one-time |
| Family Service 365 Days | $59.99 | one-time |
| Family Service 365 Days | $69.99 | one-time |


## Frequently asked questions

### Is CTSmall heat pump controller free?

CTSmall heat pump controller is free to download, with no in-app purchases.

### Is S7pro™ free?

S7pro™ is free to download, with in-app purchases available.

### Do CTSmall heat pump controller or S7pro™ have ads?

Neither CTSmall heat pump controller nor S7pro™ shows ads.

### Which is updated more often, CTSmall heat pump controller or S7pro™?

CTSmall heat pump controller ships an update every 15 months, and S7pro™ every 5 months. Most recently, CTSmall heat pump controller was updated on September 14, 2026 and S7pro™ on September 23, 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.*