Comparison

HeatNext vs How Long Left

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

Head to head

HeatNext Heating App

Count down calendar events

Free

🔧 Utilities

★ 3.839 ratingsView 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

How Long Left

This app helps you visualize the time remaining for your calendar events. It offers a Today Widget, Siri integration, and an Apple Watch app for convenient access. Receive notifications for upcoming events and customize your watch face with countdown complications.

Highlights

Countdown calendar events
Today Widget integration
Siri integration
Apple Watch app
Time remaining notifications
Apple Watch complications

Features

Read full description

How Long Left is a simple app that helps you manage your time by displaying the time remaining of current calendar events. It also includes a Today Widget, Siri integration, and an Apple Watch app, time remaining notifications, and more. There is also an Apple Watch complication that, with an in-app purchase, can display a countdown for current and upcoming events.

Screenshots

HeatNext4 screens

How Long Left4 screens

Verdict

The call

The clearest difference is update cadence: HeatNext at every 2 months against How Long Left's every 4 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. HeatNext sells 4 in-app purchases, starting at $1.99 per month and How Long Left sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

HeatNext ships an update every 2 months, How Long Left every 4 months. The most recent releases landed on September 15, 2026 and July 13, 2026 respectively.

Scorecard1 real difference · 9 level

HeatNext versus How Long Left: the parameters behind the verdict, then further details
Parameter	HeatNext	How Long Left
Price	Free	Free
Rating	—	3.8 (39 ratings) — better
Positive reviews	—	58.5% of reviews
Number of ratings	—	39 — better
Update frequency	Every 2 months — better	Every 4 months
Ads	No	No
In-app purchases	Yes	Yes
Monetization	—	Free with in-app purchases
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod, Apple Watch — better
Requires iOS	13.0	12.0 — better
Further details — not scored
Size	32 MB	27 MB
Age rating	4+	4+
Developer	Nomnio	Ryan Kontos

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

4 purchases

How Long Left

One-time4

How Long Left Widget$1.99
Premium Watch Complication$4.99
Legacy Pro Lifetime$39.99

Show 1 more

How Long Left Pro (Lifetime)$49.99

Questions

Is HeatNext free?

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

Is How Long Left free?

How Long Left is free to download, with in-app purchases available.

Do HeatNext or How Long Left have ads?

Neither HeatNext nor How Long Left shows ads.

Which is updated more often, HeatNext or How Long Left?

HeatNext ships an update every 2 months, and How Long Left every 4 months. Most recently, HeatNext was updated on September 15, 2026 and How Long Left on July 13, 2026.