Comparison

interval timer. hiit timer vs Zeno Self

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

Head to head
About

interval timer. hiit timer

Features
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Maximize your training with our flexible interval timer! Whether it’s HIIT, Tabata, circuit training, or a custom workout – this app adapts perfectly to your needs. Features: - Customizable settings – Set workout duration, rest time, sets, rounds, and round breaks. - Countdown signals – Stay on track with clear audio cues. - Listen to music while training – Your favorite songs keep playing while the timer runs. - Skip exercises & restart timer – Maximum flexibility for your workout. - Easy to use – Intuitive design for a seamless experience. Optimize your training with the perfect balance of effort and recovery! Download now and get started! If you have any ideas for how to improve the app, just tap "Feedback" inside the app and let us know! We are always trying to improve Interval Timer. Terms of Use: https://kraftakt.org/intervall-timer-terms-of-use.html Privacy: https://kraftakt.org/intervall-timer-privacy.html

About

Zeno Self

Features
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Open Zeno any time, about anything. Whether something just happened, your mind won’t switch off, or you’re carrying something you haven’t been able to put into words, that’s what it’s there for. Zeno Self is a private daily practice for self-reflection, mood tracking, and pattern insight over time. Some people use it alongside therapy. Others find it’s all they were looking for. Some people come because they feel stuck, anxious, or alone, and need somewhere to turn. Others come because they want clarity, to focus on what matters, and to stop feeling pulled in every direction by their thoughts. Most are a mix of both. WHAT YOU CAN DO • Chat with Zeno Talk things through in a judgement-free space, any time of day. Zeno listens, reflects, and helps you untangle racing thoughts, recognise triggers, and find a calmer next step. • Journal freely Write without forced structure. Zeno reflects back what you wrote, highlighting strengths, what you seem to value, and what might be taking up more space in your mind than you realised. • Morning and evening check-ins Morning check-ins track sleep, mood, energy, and motivation. Evening check-ins track energy, priority, strength, and mood. Over time, Zeno connects the dots so you can see what affects you uniquely. • Dream logging Log your dreams after waking. Capture the details, notice the feeling, and talk it through if you want. Over time, patterns start to emerge. • Morning gratitude Start the day by recognising the positive parts of life. Both good and hard will always be there. You get to choose what you practise focusing on. • Evening wins Close the day by recognising wins, big or small. Not productivity. Self-recognition, and noticing progress. • Explore topics Zeno reviews your conversations and notices the patterns that matter most to you. It offers those threads back when you feel ready, without you needing to remember what to bring up. • Weekly trends A weekly summary of what went well, what was tough, and how your scores and themes relate. Real insight into what affects you uniquely, so you know what to focus on next. PRIVATE BY DEFAULT No social feed. No audience. Just you. You control your data and can export or delete it at any time. WHY THIS CAN HELP Research suggests that putting feelings into words can reduce emotional reactivity, and that habits like expressive writing and gratitude can support wellbeing over time. Zeno Self is built around those repeatable habits, combined with reflection and pattern spotting, so understanding yourself becomes easier over time. IMPORTANT NOTE Zeno Self is not a crisis service and does not replace urgent professional care. If you feel unsafe or need urgent help, contact your local emergency number or a qualified professional. STAY CONNECTED Instagram: @zenoai.app Email: hello@zenoai.app

Screenshots

interval timer. hiit timer4 screens
Zeno Self4 screens

Verdict

The call

The clearest difference is iOS requirement: Zeno Self at 15.1 against interval timer. hiit timer's 18.0. 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. interval timer. hiit timer sells 2 in-app purchases, starting at $1.99 per month and Zeno Self sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

interval timer. hiit timer ships an update every 3 weeks, Zeno Self every 6 weeks. Both last shipped on October 30, 2026.

Scorecard1 real difference · 5 level
interval timer. hiit timer versus Zeno Self: the parameters behind the verdict, then further details
Parameterinterval timer. hiit timerZeno Self
PriceFreeFree
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size19 MB54 MB
Age rating4+4+
DeveloperJOSUA NIKLAS ROCKZeno AI Limited

In-app purchases

2 purchases

interval timer. hiit timer

Subscriptions2
  • Monthly7 Days trial$1.991 Month
  • Yearly7 Days trial$14.991 Year
3 purchases

Zeno Self

Subscriptions3
  • Monthly premium$12.991 Month
  • Monthly premium & trial7 Days trial$12.991 Month
  • Annual Premium$79.991 Year

Questions

Is interval timer. hiit timer free?
interval timer. hiit timer is free to download, with in-app purchases available.
Is Zeno Self free?
Zeno Self is free to download, with in-app purchases available.
Do interval timer. hiit timer or Zeno Self have ads?
Neither interval timer. hiit timer nor Zeno Self shows ads.
Which is updated more often, interval timer. hiit timer or Zeno Self?
interval timer. hiit timer ships an update every 3 weeks, and Zeno Self every 6 weeks. Most recently, interval timer. hiit timer was updated on October 30, 2026 and Zeno Self on October 30, 2026.

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