Comparison

Time2Heat vs VoltTimer

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

Head to head
About

Time2Heat

Features
Read full description

Customizable HIIT Timer: Take control of your workouts with a fully customisable timer. Tailor intervals, rest periods, and rounds to match your unique fitness goals and intensity level. Light and Dark Modes: Adapt your workout environment to your mood. Switch seamlessly between light and dark modes for a personalized and comfortable exercise experience, day or night. Intuitive Design: Experience a sleek and user-friendly interface that simplifies your workout setup. With Time2Heat, focusing on your fitness goals has never been more intuitive.

About

VoltTimer

Features
Read full description

VoltTimer is a clean, no-distractions interval timer built for serious training. Set your work and rest intervals, hit start, and focus โ€” VoltTimer handles the rest. Built for every training style: HIIT, Tabata, and circuit workouts Strength training with custom rest timers Custom presets for your go-to routines Features: Customizable work & rest intervals Audio + haptic phase alerts 5-second end-of-phase countdown warning Adjustable start delay to set up before the clock runs Color themes to match your style Simple enough for beginners. Powerful enough for athletes.

Screenshots

Time2Heat4 screens
VoltTimer4 screens

Verdict

The call

The clearest difference is update cadence: Time2Heat at weekly against VoltTimer's every 3 weeks. Time2Heat also leads on iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Time2Heat sells 1 one-off in-app purchase and VoltTimer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Time2Heat ships an update weekly, VoltTimer every 3 weeks. The most recent releases landed on October 3, 2026 and September 20, 2026 respectively.

Scorecard2 real differences ยท 4 level
Time2Heat versus VoltTimer: the parameters behind the verdict, then further details
ParameterTime2HeatVoltTimer
PriceFreeFree
Update frequencyWeekly โ€” betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.0 โ€” better18.6
Further details โ€” not scored
Size5 MB6 MB
Age rating4+4+
DeveloperPAURTECHCherneyWerk LLC

In-app purchases

1 purchases

Time2Heat

One-time1
  • Buy Time2Heat$12.99
1 purchases

VoltTimer

One-time1
  • VoltTimer Pro$3.99

Questions

Is Time2Heat free?
Time2Heat is free to download, with in-app purchases available.
Is VoltTimer free?
VoltTimer is free to download, with in-app purchases available.
Do Time2Heat or VoltTimer have ads?
Neither Time2Heat nor VoltTimer shows ads.
Which is updated more often, Time2Heat or VoltTimer?
Time2Heat ships an update weekly, and VoltTimer every 3 weeks. Most recently, Time2Heat was updated on October 3, 2026 and VoltTimer on September 20, 2026.

Other comparisons