Comparison

JITTER vs Stretch Timer Interval HIIT

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

Head to head
About

JITTER

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このアプリは、ジター錯視と呼ばれる錯覚を利用してアルファ波を測定することができる実験参加者用アプリです。現時点では実験に参加された方のみアプリを利用することができます。参加者の方は研究にご協力いただき、実験データを提供いただけましたら幸いです。 ※ 注意)アプリを利用するためには、事前に付与された「ユーザーID」と「パスワード」が必要です。 このアプリでは下記のヘルスケア情報を取得します。 ・歩数 ・睡眠 ・心拍数 ・心拍変動 ・安静時心拍数 ・歩行時平均心拍数 また、Fitbit とも連携しこれらの情報を取得します。

About

Stretch Timer Interval HIIT

This app helps you build and maintain a consistent stretching routine. Customize your workouts with adjustable sets and times, track your progress with a calendar view, and enjoy a user-friendly interface with dark mode support. It's designed to make daily stretching an effortless habit.

Highlights
  • Customizable sets and times
  • Multiple stretching menus
  • Calendar history view
  • Adjustable sound effects
  • Dark mode support
  • Automatic backup (premium)
Features
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【English Version】 Stay on track as the timer automatically alternates between work and rest. Customize each interval to fit your workout and train your way. Perfect for interval training, strength training, HIIT, circuit training, stretching, and more. Simply set your work time, rest time, and number of sets, and you’re ready to begin. Whether you work out at home or at the gym, this app makes it easy to stay active. It’s also a great choice if you want to build a consistent routine—starting with just two or three workouts a week—to support your health and fitness goals. 【PERFECT FOR YOU IF YOU WANT TO】 • Customize work intervals, rest intervals, and the number of sets • Switch automatically between work and rest • Strength train at home or at the gym • Use a timer for HIIT or circuit training • Focus on your workout instead of counting seconds • Save workout routines tailored to your needs • Review your workout days and track your consistency • Build a lasting exercise habit to stay healthy and fit 【KEY FEATURES】 • Set work and rest intervals freely • Choose the number of sets and repetitions for automatic cycling • Create and register multiple workout routines • Save your custom timers and routines • View the remaining time and current set at a glance with a large, easy-to-read display • Get interval alerts with sound effects, voice countdowns, and vibration • Review your workout history in a calendar • Customize the theme color, background music, and volume • Dark Mode support 【GREAT FOR】 • Interval training • Strength training • HIIT • Circuit training • Bodyweight workouts • Stretching • Yoga • Warm-ups • Core training Create your own routine once, and there’s no need to set it up again. Just open the app and jump straight into your regular workout. Your workout history is displayed in a calendar, making it easy to look back on the days you exercised and see how consistently you’ve kept going. Make your daily workouts simpler with an interval timer that works at your pace. 【PREMIUM FEATURES】 The Premium Plan includes the following features: • No banner or full-screen ads • Full theme color customization • Automatic data backup 【ABOUT THE PREMIUM PLAN】 • This is a monthly auto-renewing subscription. • If a free trial is available, the trial period will be shown on the purchase screen. • Please review the price and subscription period on the in-app purchase screen before subscribing. • Your Apple Account will be charged once the purchase is confirmed. • Your subscription renews automatically unless auto-renewal is turned off at least 24 hours before the end of the current subscription period. • To view or cancel your subscription, open Settings on your iPhone, tap your name, then tap Subscriptions. 【RESTORE PURCHASES】 If you switch to a new device, you can restore your purchased features by signing in with the same Apple Account used for the original purchase. In the app, go to Settings, then select Restore Premium Purchase. 【TERMS OF USE】 https://nilcraft.jp/terms?lang=en 【PRIVACY POLICY】 https://nilcraft.jp/privacy_policy?lang=en

Screenshots

JITTER4 screens
Stretch Timer Interval HIIT4 screens

Verdict

The call

The clearest difference is in-app purchases: JITTER at none against Stretch Timer Interval HIIT's 2. JITTER also leads on iOS requirement (11.0 vs 16.0). Stretch Timer Interval HIIT's advantage is device support. On price 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. Stretch Timer Interval HIIT sells 2 in-app purchases, starting at $3.99 per month. JITTER asks for nothing beyond the download.

Scorecard3 real differences · 7 level
JITTER versus Stretch Timer Interval HIIT: the parameters behind the verdict, then further details
ParameterJITTERStretch Timer Interval HIIT
PriceFreeFree
Rating—4.5 (2 ratings) — better
Positive reviews—75.0% of reviews
Number of ratings—2 — better
Update frequency—Every 2 weeks
Ads—Yes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Devices—iPhone, iPad — better
Requires iOS11.0 — better16.0
Further details — not scored
Size117 MB259 MB
Age rating4+4+
DeveloperGame for IT, Inc.NilCraft Inc.

In-app purchases

None

JITTER

No in-app purchases

2 purchases

Stretch Timer Interval HIIT

Subscriptions2
  • Premium Features14 Days trial$3.991 Month
  • Premium features$39.991 Year

Questions

Is JITTER free?
JITTER is free to download, with no in-app purchases.
Is Stretch Timer Interval HIIT free?
Stretch Timer Interval HIIT is free to download, with in-app purchases available.

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