Comparison

HEMS Timer vs Vattenfall Smart Termostat

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

Head to head

Vattenfall Smart Termostat

Free

🔧 Utilities

No ratingsView app →

About

HEMS Timer

Features

Read full description

Enkel app för tidsregistrering under uppdrag för ambulanshelikopterverksamheter i Sverige. Appen stödjer både primär- och sekundäruppdrag.

About

Vattenfall Smart Termostat

Features

Read full description

Vattenfall Smart Termostat ger dig möjlighet att styra, övervaka, planera och kontrollera din uppvärmning, oavsett var i världen du befinner dig.  -Styr din fjärrvärmecentral direkt från mobilen  -Få en ökad hemmakomfort med en jämn och behaglig inomhustemperatur  -Få en automatisk optimering av ditt värmesystem  -Spara energi och bidra till att minska den totala energiförbrukningen

Screenshots

HEMS Timer1 screens

Vattenfall Smart Termostat4 screens

Verdict

The call

The clearest difference is update cadence: HEMS Timer at fortnightly against Vattenfall Smart Termostat's every 2 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HEMS Timer ships an update fortnightly, Vattenfall Smart Termostat every 2 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

Scorecard1 real difference · 5 level

HEMS Timer versus Vattenfall Smart Termostat: the parameters behind the verdict, then further details
Parameter	HEMS Timer	Vattenfall Smart Termostat
Price	Free	Free
Update frequency	Fortnightly — better	Every 2 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad
Requires iOS	17.0	16.0 — better
Further details — not scored
Size	2 MB	37 MB
Age rating	4+	4+
Developer	Per Ostergren	Ngenic

In-app purchases

None

HEMS Timer

No in-app purchases

None

Vattenfall Smart Termostat

No in-app purchases

Questions

Is HEMS Timer free?

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

Is Vattenfall Smart Termostat free?

Vattenfall Smart Termostat is free to download, with no in-app purchases.

Do HEMS Timer or Vattenfall Smart Termostat have ads?

Neither HEMS Timer nor Vattenfall Smart Termostat shows ads.

Which is updated more often, HEMS Timer or Vattenfall Smart Termostat?

HEMS Timer ships an update fortnightly, and Vattenfall Smart Termostat every 2 months. Most recently, HEMS Timer was updated on October 7, 2026 and Vattenfall Smart Termostat on October 1, 2026.