Comparison

WILL vs SuperSlowTrainingTimer

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

Head to head
About

WILL

Features
Read full description

WILL(ウィル)の公式アプリです。 【概要】 ■ アプリ上から24時間いつでも予約が可能。 指名予約にも対応しているので担当スタッフのスケジュールを確認してからの予約が可能です。 ■ クーポン お得なクーポンが配信されます。ネット予約時にクーポン利用での予約も可能なので来店時もスムーズに施術頂けます。 ■ スタッフが施術したスタイルを掲載 前もって画像を確認しておけばスムーズなオーダーが可能です。 ■ マイページ機能 予約状況の確認やキャンセルがマイページ上から行えます。スタイリストの登録が出来るので前もって担当者を登録しておけばマイページからスムーズな指名予約が可能です。又、マイページにお気に入りのヘアカタログを登録出来るので来店時に画像を見せるだけでイメージを伝えることが出来るので安心です。

About

SuperSlowTrainingTimer

This app guides you through slow training exercises with voice and screen prompts for lifting, holding, and lowering. Create custom training menus with adjustable repetitions, sets, and intervals. Supports background operation and dark mode for convenient use during workouts.

Highlights
  • Voice and screen counting for movements
  • Customizable training menus
  • Adjustable reps, sets, and intervals
  • Background operation support
  • Dark mode display
  • Silent mode operation
Features
Read full description

SuperSlowTrainingTimer is a timer application with a read-out function dedicated to slow training. It counts the movements that are important in slow training, such as lifting slowly, holding, and lowering slowly which are important in slow training, are counted by voice and screen display. You can create as many training menus as you want. The number of seconds, number of repetitions, interval time, and number of sets for each movement can be set freely. Dark mode display, background operation, and operation without releasing silent mode are also supported. It also supports dark mode display, background operation, and operation without releasing silent mode. It can be used for weight training, muscle training at home, toning up a lax body, maintaining muscle strength, and rehabilitation. It can be used for weight training, muscle training at home, toning up a lax body, maintaining muscle strength, rehabilitation, and as a reliable companion for slow training. <What is "slow training"?> Slow training is a training method that allows you to increase the load on your muscles by performing muscle training in slow motion. Slow training is a training method that increases the load on the muscles by training them in slow motion. Even with a small number of repetitions, the effect is tremendous. By moving slowly, the load on the joints is also reduced, thus reducing the risk of injury. <The following items can be set> ・The number of seconds to count down to the start  ・Name of the training menu ・Number of seconds to move (raise or lower) ・Number of seconds to hold ・Number of seconds to return (lower/lower/up) ・Number of repetitions ・Interval between reps ・Number of sets ・Interval between sets ・Counting voice <Features of the app> ・Count each movement (move, hold, return) with voice and display. ・You can create as many training menus as you like. ・You can choose the type of voice that counts. ・Push notifications for today's workout. ・Tap the notification and start working out immediately. ・Cool dark mode display. ・Can be used without deactivating silent mode

Screenshots

WILL2 screens
SuperSlowTrainingTimer4 screens

Verdict

The call

The clearest difference is in-app purchases: WILL at none against SuperSlowTrainingTimer's 1. WILL also leads on ads (none vs shown) and iOS requirement (8.0 vs 18.0). SuperSlowTrainingTimer's advantage is update cadence (every 3 weeks vs every 42 months). On price 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. SuperSlowTrainingTimer sells 1 one-off in-app purchase. WILL asks for nothing beyond the download.

UpkeepUpdate frequency

WILL ships an update every 42 months, SuperSlowTrainingTimer every 3 weeks. The most recent releases landed on December 24, 2025 and June 2, 2026 respectively.

Scorecard4 real differences · 6 level
WILL versus SuperSlowTrainingTimer: the parameters behind the verdict, then further details
ParameterWILLSuperSlowTrainingTimer
PriceFreeFree
Rating—3.7 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 42 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS8.0 — better18.0
Further details — not scored
Size4 MB12 MB
Age rating4+4+
Developershingo kameiKENICHI YAMAMOTO

In-app purchases

None

WILL

No in-app purchases

1 purchases

SuperSlowTrainingTimer

One-time1
  • Remove ADs$3.99

Questions

Is WILL free?
WILL is free to download, with no in-app purchases.
Is SuperSlowTrainingTimer free?
SuperSlowTrainingTimer is free to download, with in-app purchases available.
Do WILL or SuperSlowTrainingTimer have ads?
SuperSlowTrainingTimer shows ads; WILL does not.
Which is updated more often, WILL or SuperSlowTrainingTimer?
WILL ships an update every 42 months, and SuperSlowTrainingTimer every 3 weeks. Most recently, WILL was updated on December 24, 2025 and SuperSlowTrainingTimer on June 2, 2026.

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