# Sopra EIS vs HeatNext BT

The clearest difference is device support: HeatNext BT at 3 against Sopra EIS's 1. HeatNext BT also leads on iOS requirement (13.0 vs 18.0). On price, update cadence, 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.

Sopra EIS ships an update every 2 months, HeatNext BT every 6 weeks. The most recent releases landed on October 22, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Sopra EIS | HeatNext BT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 20 MB | 21 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sopra System GmbH](https://appshunter.io/developer/1572531032) | [Nomnio](https://appshunter.io/developer/1440372439) |

## What reviewers say

### Sopra EIS

[App page](https://appshunter.io/ios/app/sopra-eis/id1572531030)

**Features:** Vision Pro support

**In-app purchases:** none


### HeatNext BT

[App page](https://appshunter.io/ios/app/heatnext-bt/id6449220210)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sopra EIS free?

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

### Is HeatNext BT free?

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

### Do Sopra EIS or HeatNext BT have ads?

Neither Sopra EIS nor HeatNext BT shows ads.

### Which is updated more often, Sopra EIS or HeatNext BT?

Sopra EIS ships an update every 2 months, and HeatNext BT every 6 weeks. Most recently, Sopra EIS was updated on October 22, 2026 and HeatNext BT on October 18, 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.*