Comparison

HeatNext vs ETHERMA° SMART APP

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

HeatNext Heating App

About

HeatNext

Features

Read full description

HeatNext is a friendly app that allows you to remotely manage your home heating system using your mobile device. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.

About

ETHERMA° SMART APP

Features

Read full description

ETHERMA SMART app allows users to monitor and control Etherma Thermostats and SmartBox devices via the cloud.

Screenshots

HeatNext4 screens

ETHERMA° SMART APP4 screens

Verdict

The call

The clearest difference is in-app purchases: ETHERMA° SMART APP at none against HeatNext's 4. ETHERMA° SMART APP also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HeatNext sells 4 in-app purchases, starting at $1.99 per month. ETHERMA° SMART APP asks for nothing beyond the download.

UpkeepUpdate frequency

HeatNext ships an update every 2 months, ETHERMA° SMART APP every 2 weeks. The most recent releases landed on September 15, 2026 and June 11, 2026 respectively.

Scorecard2 real differences · 4 level

HeatNext versus ETHERMA° SMART APP: the parameters behind the verdict, then further details
Parameter	HeatNext	ETHERMA° SMART APP
Price	Free	Free
Update frequency	Every 2 months	Every 2 weeks — better
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.0	13.0
Further details — not scored
Size	32 MB	40 MB
Age rating	4+	4+
Developer	Nomnio	ETHERMA Holding GmbH

In-app purchases

4 purchases

HeatNext

Subscriptions4

Plus Package$1.991 Month
Advanced Package$3.991 Month
Plus Package$18.991 Year

Show 1 more

Advanced Package$37.991 Year

None

ETHERMA° SMART APP

No in-app purchases

Questions

Is HeatNext free?

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

Is ETHERMA° SMART APP free?

ETHERMA° SMART APP is free to download, with no in-app purchases.

Do HeatNext or ETHERMA° SMART APP have ads?

Neither HeatNext nor ETHERMA° SMART APP shows ads.

Which is updated more often, HeatNext or ETHERMA° SMART APP?

HeatNext ships an update every 2 months, and ETHERMA° SMART APP every 2 weeks. Most recently, HeatNext was updated on September 15, 2026 and ETHERMA° SMART APP on June 11, 2026.