ココキタエタイ vs Workout Tracker AI
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/
Workout Tracker AI
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AIFitLog is a workout and body composition tracker built for lifters serious about muscle gain and fat loss. Log sets, reps, RIR, weight, and body fat to track volume, strength, FFMI, and lean mass trends over time. AI turns your data into daily analysis, weekly scoring, and a day-by-day plan for next week. Plus TDEE and macro targets, 1RM calculator, warmup suggestions, plate calculator, and rest timer — everything you need at the gym, in one app. Body Composition Tracking Log weight and body fat to automatically calculate lean mass, BMI, and FFMI. You can also connect AIFitLog with Apple Health to automatically import body weight and body fat percentage into your body composition logs. AIFitLog only reads body weight and body fat percentage from Apple Health and does not write data to Apple Health. You can disable the integration at any time in the app settings. See how your body is actually changing — not just the number on the scale. Set TDEE and macro targets to support your bulk, cut, or recomp. Workout Logging Track every set: muscle group, exercise, weight, reps, and RIR. Add notes per set to capture what you felt in the moment. Monitor total volume and max weight trends to see which muscle groups and exercises are actually progressing. AI Analysis (Premium) Your workout logs, body composition, and condition data — analyzed together. ・Daily Training Analysis Your current training status based on the last 30 days. See muscle-group progress and what to focus on next. ・Weekly Report Your week scored across training, body composition, and condition. What went well, what needs work, and where to improve. ・Next Week's Plan A day-by-day workout plan built from your logs, goals, and condition — designed for muscle gain, fat loss, or wherever you're headed. Built-in Tools ・Warmup Calculator — suggested warmup sets based on exercise type and working weight ・Plate Calculator — select target weight and bar weight to see exactly which plates to load ・1RM Calculator — estimate your max from weight and reps, plus estimated reps at any target weight ・Rest Timer — keeps running even when you leave the screen ・Reminders — set custom days and times, with an option to notify only on days you haven't trained Built for lifters who: ・Want to track workouts consistently and see real progress ・Are bulking or cutting with body composition data ・Train with data, not guesswork ・Want personalized AI analysis without a personal trainer price tag Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: ココキタエタイ at none against Workout Tracker AI's 2. ココキタエタイ also leads on update cadence (every 6 days vs fortnightly). Workout Tracker AI's advantage is iOS requirement (15.0 vs 18.5). On price, 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. Workout Tracker AI sells 2 in-app purchases, starting at $5.99 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, Workout Tracker AI fortnightly. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.
| Parameter | ココキタエタイ | Workout Tracker AI |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 6 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | TATSUYA MOTOKAWA | Yasutaka Suzuki |
In-app purchases
ココキタエタイ
No in-app purchases
Workout Tracker AI
- Premium Monthly$5.991 Month
- Premium Yearly$59.991 Year








