Comparison

Exercise Supplement vs サクヤと4分筋トレ

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

Head to head
About

Exercise Supplement

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Create a Reason to Walk Exercise Supplement Exercise Supplement is a walking challenge app that helps users enjoy walking and build a sustainable walking habit. Even when people know walking is important for health, continuing every day is not easy. Exercise Supplement helps users set walking goals and challenge periods, and use encouragement from family, friends, and peers as positive motivation. Walk for yourself. Walk with support from family and friends. Give someone you care about a reason to start walking. Exercise Supplement also includes the AI chatbot “BeNavi.” BeNavi provides hints for continuing walking and approaching walking challenges. The technology used in Exercise Supplement to support behavior change is patented. Japanese Patent No. 6696672 ● What is Exercise Supplement? Exercise Supplement allows users to create and participate in walking challenges by setting target steps, challenge periods, and other details. Users can review each challenge in advance and participate based on their own decision. By submitting step-count data, users can check challenge progress and results. Exercise Supplement also allows users to check challenge-related records on supported networks. ● AI Chatbot “BeNavi” BeNavi is an AI chatbot that supports walking habits. Users can chat with BeNavi about how to approach challenges, maintain motivation, and reflect on daily actions. BeNavi is not intended to provide medical services, diagnosis, treatment, or disease prevention. If you have health concerns, please consult a qualified healthcare professional. ● Main Features * Create and participate in walking challenges * Set target steps and challenge periods * Check challenge details and progress * Submit step-count data * Review challenge results * AI chatbot “BeNavi” * Crypto asset wallet feature * Check records on supported networks * Check and manage supported tokens ● Blockchain Features Exercise Supplement allows users to check challenge-related records on supported networks. Supported networks: Polygon, Kaia, Soneium, Astar, Ethereum, BSC Mainnet, Amoy, Kairos, Minato, Shibuya, Sepolia, BSC Testnet Supported crypto assets: POL, KAIA, ETH, ASTR, BNB, TTJP Supported stablecoins: JPYC, USDT, USDC * Some networks are testnets for operation testing and verification. * Supported networks, crypto assets, stablecoins, and tokens may change. * Users are responsible for acquiring, managing, and using crypto assets, stablecoins, and tokens at their own discretion and risk. * This app is not intended for the purchase, sale, exchange, or investment advice of crypto assets, stablecoins, or tokens. * This app is not intended for gambling, betting, lotteries, or earning investment returns. ● For First-Time Users First-time users can try basic operations on a testnet. For example, on the Amoy network, users can obtain test POL from a Faucet and try operations such as creating challenges and checking records. Crypto assets and tokens on testnets are for testing purposes only and do not have actual economic value. ● Registration and Login Exercise Supplement uses Web3Auth, which combines social login and device authentication, allowing users to log in easily and securely. ● Step-Count Data Users submit step-count data to check challenge progress and results. Step-count data is submitted through the user’s own operation. ● Operating Fees Exercise Supplement does not receive operating fees from users, regardless of challenge results. Basic use of the app is free. Network fees may be required when using blockchain features. ● Notes on Use Exercise Supplement supports building a walking habit. Please use the app according to your own physical condition and avoid overexertion. Responses from BeNavi are reference information and are not a substitute for medical judgment or professional advice.

About

サクヤと4分筋トレ

Features
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運動、続かなくていい。今日は1回だけでOK。 「サクヤと4分筋トレ」は、忍者の女の子・サクヤが、声とお手本の動画でつきっきりに応援してくれる筋トレアプリです。どのメニューも1回約4分。準備も着替えもいらず、スマホを置いたその場で始められます。しかも、無料・登録不要です。 ■ サクヤがとなりにいてくれる ・全種目にサクヤのお手本動画つき。まねするだけでフォームがわかります ・「あと10秒!」「今日も来てくれたね」——タイミングに合わせてサクヤが声をかけてくれます ・がんばった日も、休んだ日も、サクヤは責めません。戻ってきたら「おかえり」と迎えてくれます ■ 1回約4分だから、始められる ・ゆるめHIITから本気メニューまで、目的別の8メニュー。すべて約4分に揃えました ・種目を自由に組み合わせるマイメニューも作れます ・お手本は19種目。20秒動いて10秒休む、シンプルなインターバル形式です ■ 安心して使えます ・無料で使えます。広告やアプリ内課金も、いまはありません ・アカウント登録不要。ダウンロードしてすぐ始められます ・記録はまず端末内に保存されます(詳細はプライバシーポリシーをご覧ください) ■ 続けるほど、忍びとして強くなる ・完走すると修行値がたまり、忍びランクが上がっていきます ・連続日数や小判(アプリ内ポイント)で、がんばりが目に見えます。ホーム画面ウィジェットでも確認できます ・リマインダーをセットすれば、サクヤがそっと声をかけてくれます(通知はオフでも使えます) ■ なかまと、ゆるくつながる ・「忍び名」を決めて週間番付に参加できます(本名不要・参加は任意) ・なかまコードを交換すると、おたがいの今週のがんばりが見えます ・まだ今日やっていないなかまには、応援の手裏剣を送れます(定型文のみ・気軽に) ※本アプリはフィットネスの補助を目的としたものであり、医学的な助言を提供するものではありません。体調に不安のある方は、運動の開始前に医師にご相談ください。 ※本アプリは CryptoNinja のファンメイド(二次創作)アプリです。公式・公認アプリではありません。キャラクター「サクヤ」は CryptoNinja の二次創作キャラクターです。

Screenshots

Exercise Supplement4 screens
サクヤと4分筋トレ4 screens

Verdict

The call

The clearest difference is update cadence: サクヤと4分筋トレ at every 3 days against Exercise Supplement's every 2 weeks. On price, ads, 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.

UpkeepUpdate frequency

Exercise Supplement ships an update every 2 weeks, サクヤと4分筋トレ every 3 days. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

Scorecard1 real difference · 5 level
Exercise Supplement versus サクヤと4分筋トレ: the parameters behind the verdict, then further details
ParameterExercise Supplementサクヤと4分筋トレ
PriceFreeFree
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size123 MB42 MB
Age rating4+4+
DeveloperSENSE IT SMART CORP.Nihon no Inaka ha Shihonshugi no Frontier da LLC.

In-app purchases

None

Exercise Supplement

No in-app purchases

None

サクヤと4分筋トレ

No in-app purchases

Questions

Is Exercise Supplement free?
Exercise Supplement is free to download, with no in-app purchases.
Is サクヤと4分筋トレ free?
サクヤと4分筋トレ is free to download, with no in-app purchases.
Do Exercise Supplement or サクヤと4分筋トレ have ads?
Neither Exercise Supplement nor サクヤと4分筋トレ shows ads.
Which is updated more often, Exercise Supplement or サクヤと4分筋トレ?
Exercise Supplement ships an update every 2 weeks, and サクヤと4分筋トレ every 3 days. Most recently, Exercise Supplement was updated on September 15, 2026 and サクヤと4分筋トレ on September 10, 2026.

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