Comparison

インターバル速歩 vs Workout Timer

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

Head to head
About

インターバル速歩

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【概要】 熟年体育大学リサーチセンターでは2004年より、長野県を中心として全国で7,300名を超える中高年者を対象に、「インターバル速歩」による運動処方を検証して参りました。 その研究の結果から、わずか6ヵ月間のトレーニングにより「体力が最大20%向上」や「生活習慣病の症状が20%改善」に加え、医療費が20%削減の効果が実証されています。 【機能】 ・体力測定 ・トレーニング ・運動履歴の確認 【ポイント】 国立大学法人信州大学大学院医学系研究科・スポーツ医科学講座 能勢博教授の監修のもと、「インターバル速歩」の科学的理論に基づいて本アプリケーションは開発されております。 【開発】 株式会社グラムスリー(gram3 Inc.) E-mail:service-info@gram3.com 電話:03-6402-0303(代)  住所:〒105-0013 東京都港区浜松町2-1-13 芝エクセレントビル 6階 【協賛/監修】 協賛:NPO法人熟年体育大学リサーチセンター(JTRC) 監修:国立大学法人信州大学大学院医学系研究科・スポーツ医科学講座教授 能勢博 【ご注意】 ・本アプリは歩く距離や消費カロリーを計算するため、バックグラウンドでGPSを使用します。 ・バックグラウンドでGPSを実行し続けるため、バッテリーの消費が早くなりますのでご注意ください。 ・「時刻」を「24時間表示」以外に設定していると正常に動作しない場合がございます。 ・「暦法」を「西暦(グレゴリオ暦)」以外に設定していると正常に動作しない場合がございます。 ・機種によって地図描画の際に実際の動きとは異なる線の乱れが発生する可能性があります。

About

Workout Timer

This versatile timer supports various training styles like HIIT, Tabata, and circuit training. Customize workout and rest intervals to match your preferred pace. It's ideal for gym workouts, home stretching, yoga, and even non-fitness activities.

Highlights
  • Customizable workout and rest intervals
  • Support for HIIT, Tabata, and circuit training
  • Simple setup and easy time/round adjustments
  • Sound and vibration settings
  • Versatile use for gym, home, and other activities
Features
Read full description

This timer is designed for workout, stretch and high-intensity interval training, such as HIIT, Tabata workout and circuit training. You can set your own workout times, rest times, and rest times between cycles. So you can train at your favorite intervals. The remaining time is shown at a glance, and the number of sets can be easily checked. The setup is simple and you can easily change the time and the round you want to work out. You can also change the sound and vibration settings. It can be used for training at the gym, stretching and yoga at home, boxing, cardio, studying, meditation, and much more! The sound source was borrowed from Otologic (CC BY 4.0).

Screenshots

インターバル速歩4 screens
Workout Timer4 screens

Verdict

The call

The clearest difference is rating: Workout Timer at 4.9 against インターバル速歩's 1.0. Workout Timer also leads on ratings volume (558 vs 1). インターバル速歩's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, update cadence, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Workout Timer holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Workout Timer has 558 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

インターバル速歩 ships an update every 2 months, Workout Timer every 4 months. The most recent releases landed on October 14, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
インターバル速歩 versus Workout Timer: the parameters behind the verdict, then further details
Parameterインターバル速歩Workout Timer
PriceFreeFree
Rating1.0 (1 ratings)4.9 (558 ratings) — better
Positive reviews—92.5% of reviews
Number of ratings1558 — better
Update frequencyEvery 2 months — betterEvery 4 months
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size18 MB13 MB
Age rating4+4+
Developer株式会社グラムスリーShogo Yoshida

Customer experience

インターバル速歩

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Workout Timer

All ratings558 ratings
Positive97.8%
Neutral1.4%
Negative0.7%
Written reviews67 reviews
Positive92.5%
Neutral3.0%
Negative4.5%

In-app purchases

None

インターバル速歩

No in-app purchases

None

Workout Timer

No in-app purchases

Questions

Is インターバル速歩 free?
インターバル速歩 is free to download, with no in-app purchases.
Is Workout Timer free?
Workout Timer is free to download, with no in-app purchases.
Which has better reviews, インターバル速歩 or Workout Timer?
Workout Timer is rated higher. インターバル速歩 averages 1.0 out of 5 from 1 ratings, while Workout Timer averages 4.9 from 558 ratings.
Do インターバル速歩 or Workout Timer have ads?
Workout Timer shows ads; インターバル速歩 does not.
Which is updated more often, インターバル速歩 or Workout Timer?
インターバル速歩 ships an update every 2 months, and Workout Timer every 4 months. Most recently, インターバル速歩 was updated on October 14, 2026 and Workout Timer on October 30, 2026.

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