ココキタエタイ vs BlankFit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ココキタエタイ
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鍛えたい筋肉を筋肉をピンポイントで鍛えることに特化したアプリ! 部位と種目を選択することでYouTubeで正しいやり方を確認しながら筋トレができます。 【機能】 ◯ワークアウト画面 鍛えたい部位と種目を選択してYouTubeでやり方を確認します。 初心者でやり方がわからない人や新しい種目にチャレンジしたい人におすすめです! ◯記録一覧画面 筋トレの記録を追加したり、履歴を確認したりすることができます。 カレンダーから日付を選択し、その日に行った記録の確認をしたり、編集もできます。 新しい記録を追加する場合もパッと簡単に記録を入力できるように工夫してあります。 ◯統計画面 この機能はサブスク購入者限定にさせていただいております。 筋肉の部位ごとに総重量の遷移がグラフで表示され、以下の記録も確認できます。 ・総トレーニング日数 ・総重量 ・1日あたりの平均重量 ・最高記録日 頑張った成果を確認しモチベアップに繋がる要素を盛り込みました。 成長も実感でき、目標も立てやすくなります。 アプリもこれからどんどんよくしていこうと考えています! 応援してくれる方はぜひサブスク登録していただけると大変励みになります!! 【利用規約(EULA)】 このアプリを使用することにより、Appleの標準エンドユーザー使用許諾契約(EULA)に同意したものとみなされます。詳細はこちらをご覧ください: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
BlankFit
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Your workouts, more fun. BlankFit is a workout tracker that lets you log every set in a few taps, style the app your way, and rank up just by training. Turn your workouts into a habit you actually want to keep. LOG EVERY SET IN SECONDS • Pick an exercise and tap in weight and reps on a big, easy number pad • New sets start with your previous numbers, so you only fix what changed • Swipe right to duplicate a set, swipe left to delete. Drop sets supported • Browse exercises by muscle group and add them with one tap, or create your own • Rest timer with your own sound or vibration, plus notes for every exercise CELEBRATE EVERY PR • Hit a new personal best and BlankFit celebrates it on the spot • Track your total volume over time with charts • See each week at a glance and set a weekly goal MAKE THE LOOK ALL YOUR OWN • Pick a theme and the whole app changes • Fine-tune main, background and card colors • Use any photo as your app background • Add stickers, your own fonts, and colors and icons for each muscle group • Adjust card transparency while previewing your home screen EVERY REP RANKS YOU UP • Earn RP just by working out and climb 7 ranks, from Bronze to Champion • Battle friends every day (2–5 players). That day's training decides the ranking • Reach Diamond or higher to unlock legendary trophies and banners that make your friend card stand out TRAIN WITH FRIENDS • Add friends with a friend code or invite link • See what your friends trained today and cheer them on with stamps BLANKFIT PRO (SUBSCRIPTION) • 1RM chart and numbers to see your progress in detail • Automatic daily backup of your records (saved to our server, so you can restore on a new phone even without iCloud space) • Save as many custom looks as you like • Show friends your background photo, PRO badge and PRO banner • Unlimited custom exercises and your full note history Logging your workouts is free. No ads. Available in English and Japanese. Friends and Ranked features require Sign in with Apple. ABOUT SUBSCRIPTIONS BlankFit Pro is an auto-renewing subscription. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel it in Settings > [your name] > Subscriptions. Any unused portion of a free trial is forfeited when you purchase a subscription. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://docs.google.com/document/d/1RIeXze0iwJXrAgyh9CdUXmdZa8NL9QKQ9eMz-l_IVSg/edit?usp=sharing
Screenshots
Verdict
The clearest difference is in-app purchases: ココキタエタイ at none against BlankFit's 2. BlankFit's advantage is iOS requirement (16.4 vs 18.5). On price, update cadence, ads 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
Both are free to download. BlankFit sells 2 in-app purchases, starting at $2.99 per month. ココキタエタイ asks for nothing beyond the download.
ココキタエタイ ships an update every 6 days, BlankFit every 4 days. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.
| Parameter | ココキタエタイ | BlankFit |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 6 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.5 | 16.4 — better |
| Further details — not scored | ||
| Size | 33 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | TATSUYA MOTOKAWA | ERIA, K.K. |
In-app purchases
ココキタエタイ
No in-app purchases
BlankFit
- BlankFit Pro Monthly7 Days trial$2.991 Month
- BlankFit Pro Yearly$22.991 Year








