Comparison

IntervalTimer Duo vs VoiceGoal

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

Head to head
About

IntervalTimer Duo

Features
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IntervalTimer Duo is a simple and easy-to-use interval timer app for iPhone and iPad that runs up to 10 timers in sequence. 【Key Uses】 • HIIT (High-Intensity Interval Training) • Pomodoro Technique (work and break cycles) • Cooking timing management • Stretching and yoga routines • Study and rest cycle management 【Features】 • Run your timers back to back, automatically • Build workouts with up to 10 timers — warm up, work, rest, cool down (Premium from the third timer) • Each timer adjustable from 1 second to 60 minutes • Preset feature to save and instantly recall favorite settings (1 preset free; unlimited presets: Premium) • Share presets via link — let friends import your timer setup in one tap • Set counter to track progress toward your target sets (Premium) • Audio notifications and vibration when timers end • Live Activity shows remaining time on Lock Screen and Dynamic Island (Premium) • Customizable alert sounds (extra sounds: Premium) • Simple and intuitive interface 【Preset Sharing】 • Share your favorite timer configurations via link • Recipients can import presets with a single tap • Sync routines with your team or workout partners 【Ease of Use】 • One-tap start, pause, and reset • Quick time setting with preset buttons • Visual circular progress bars show remaining time • Second timer can be enabled/disabled as needed • Set counter tracks completed sets toward your goal 【Free & Premium】 The app is free to download and use. After installing, all premium features are unlocked for a 14-day free trial. When the trial ends, premium features require a one-time purchase (pay once, use forever) — a Universal Purchase shared between iOS and macOS. Free forever: • Two timers running alternately (1 second to 60 minutes each) • One saved preset • Basic alert sounds • Audio and vibration notifications when timers end • Circular progress bar • Preset sharing via link (sending and receiving are both free) Premium (one-time purchase, or during the free trial): • A third timer and beyond (up to 10, each with its own name and sound) • Unlimited presets • Set counter • Additional premium alert sounds • Live Activity on Lock Screen and Dynamic Island 【Compatibility】 • iPhone and iPad • Available in English, Japanese, French, German, and Spanish 【Universal Purchase】 If you own the macOS version, you can use the iOS version at no additional cost. A simple yet fully-featured interval timer app that's perfect for any timing needs. Privacy Policy: https://techback.info/interval-timer/ios/privacy-policy.html Terms of Use (EULA): https://techback.info/interval-timer/ios/terms-of-use.html

About

VoiceGoal

Features
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VoiceGoal is a habit-building app where you declare your goal out loud every morning. 【Features】 · Declare your goal using voice recognition · Track your consecutive declaration streak · Review your history with the calendar · Share your goal with the community · Celebrate when you achieve your goal 【How to use】 1. Set your goal 2. Tap the mic button every morning and speak your goal 3. Build your streak and make it a habit 4. Celebrate when you achieve your goal!

Screenshots

IntervalTimer Duo4 screens
VoiceGoal4 screens

Verdict

The call

The clearest difference is iOS requirement: VoiceGoal at 15.1 against IntervalTimer Duo's 26.1. On price, update cadence, ads and in-app purchases 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. IntervalTimer Duo sells 1 one-off in-app purchase and VoiceGoal sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

IntervalTimer Duo ships an update every 3 weeks, VoiceGoal monthly. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

Scorecard1 real difference · 5 level
IntervalTimer Duo versus VoiceGoal: the parameters behind the verdict, then further details
ParameterIntervalTimer DuoVoiceGoal
PriceFreeFree
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS26.115.1 — better
Further details — not scored
Size10 MB34 MB
Age rating4+4+
Developerkosuke konumaSHOUJI MORODOME

In-app purchases

1 purchases

IntervalTimer Duo

One-time1
  • Full Version$2.99
2 purchases

VoiceGoal

One-time2
  • Support the app $0.49$0.49
  • Support the app $2.99$2.99

Questions

Is IntervalTimer Duo free?
IntervalTimer Duo is free to download, with in-app purchases available.
Is VoiceGoal free?
VoiceGoal is free to download, with in-app purchases available.
Do IntervalTimer Duo or VoiceGoal have ads?
Neither IntervalTimer Duo nor VoiceGoal shows ads.
Which is updated more often, IntervalTimer Duo or VoiceGoal?
IntervalTimer Duo ships an update every 3 weeks, and VoiceGoal monthly. Most recently, IntervalTimer Duo was updated on October 9, 2026 and VoiceGoal on September 29, 2026.

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