Simple Workout Tracker vs Kalbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Workout Tracker
This strength training log helps gym enthusiasts and bodybuilders track workouts with ease. It offers automatic 1RM calculations, advanced set tracking for supersets and tri-sets, and detailed progress graphs to measure gains and crush fitness goals.
- Automatic 1RM calculation
- Advanced set tracking (supersets, tri-sets)
- Comprehensive progress tracking
- Color-coded workout calendar
- In-depth analytics and graphs
- Dark mode and rest timer
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Take Your Strength Training to the Next Level! Looking for the ultimate strength training log? Whether you're a gym enthusiast, bodybuilder, or personal trainer, this app is designed to help you track your workouts with ease and precision. Built for serious lifters, this app makes recording your workouts seamless—so you can focus on lifting, not logging. With automatic 1RM (one-rep max) calculations, advanced tracking for supersets, tri-sets, and giant sets, plus a powerful training volume graph, you'll have everything you need to measure progress and crush your fitness goals. Why You'll Love This App: - Quick & Easy Logging: Intuitive UI designed for fast workout tracking. - Automatic 1RM Calculation: Instantly estimate your one-rep max for smarter training. - Advanced Set Tracking: Effortlessly log supersets, tri-sets, giant sets, warm-ups, and drop sets. - Copy & Paste Workouts: Save time by reusing set details from previous sessions. - Comprehensive Progress Tracking: Monitor your total volume and max 1RM over time. - Multiple Recording Methods: Log training in various formats, including reps, weight, time, and distance. - Color-Coded Calendar: Easily visualize your muscle group workouts at a glance. - In-Depth Analytics: Graphs for total training volume and muscle group trends. - Dark Mode & Rest Timer: Optimize your workout experience. - Customizable Metrics: Switch between kg/lbs to match your training style. - Monthly Progress Reports: Stay motivated with data-driven insights. Upgrade to Premium: - Ad-Free Experience: Stay focused with zero distractions. - Enhanced Graph Analysis: Gain deeper insights into your training trends. If you're serious about weightlifting, bodybuilding, or fitness training, this is the app for you. Download now and start making real gains!
Kalbox
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カメラでホワイトボードを撮影するだけで、AIがWOD(Workout of the Day)の内容を自動解析。CrossFitコーチ・アスリート向けのワークアウト記録アプリです。 【主な機能】 ・ ホワイトボード写真をAIが自動解析 カメラで撮影するとAIがWODの内容をすべて読み取ります。ムーブメント名・ラウンド数・タイムキャップまで自動抽出。手打ち入力は不要です。 ・ 自分のスコアを簡単記録 AIが読み取ったWODに、自分のタイム・ラウンド数・重量をすぐ入力。RX・スケーリングの選択もスムーズで、ムーブメントごとに使用重量を記録できます。 ・ ワークアウト履歴の一覧管理 過去のWODをすべて写真付きで管理。ムーブメント名で検索すれば、特定の種目が含まれたワークアウトをすぐに絞り込めます。 ・ ムーブメントごとの成長グラフ スラスター・デッドリフトなど各ムーブメントの重量・タイム推移をグラフで可視化。自分のPR(パーソナルレコード)の変化が一目でわかります。 ・ボックス(ジム)の管理 よく行くボックスを登録しておけば、ログ入力時にワンタップで選択できます。 【こんな方におすすめ】 ・CrossFitボックスのコーチ・インストラクター ・WODの記録を丁寧に残したいアスリート ・RX・スケーリングを区別して管理したい方 ・自分の成長をデータで確認したい方 【使い方】 1. ホワイトボードを撮影(またはライブラリから選択) 2. AIが自動でWOD内容を解析 3. 内容を確認・編集して自分の結果を入力 4. 保存して完了 — 履歴に積み上がります 【プライバシー・セキュリティ】 Apple Sign-inで安全にログイン。写真・ワークアウト記録はあなただけのプライベートデータとして管理されます。他のユーザーのデータが見えることはありません。
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Verdict
The clearest difference is in-app purchases: Kalbox at none against Simple Workout Tracker's 2. Kalbox also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Simple Workout Tracker sells 2 in-app purchases, starting at $2.99 per month. Kalbox asks for nothing beyond the download.
Simple Workout Tracker ships an update fortnightly, Kalbox every 2 weeks. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.
| Parameter | Simple Workout Tracker | Kalbox |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 66 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | DAIKI YUASA | KALBI LIMITED LIABILITY COMPANY |
In-app purchases
Simple Workout Tracker
- MUSCLY PREMIUM1 Month trial$2.991 Month
- Premium Plan1 Month trial$24.991 Year
Kalbox
No in-app purchases
Questions
Is Simple Workout Tracker free?
Is Kalbox free?
Do Simple Workout Tracker or Kalbox have ads?
Which is updated more often, Simple Workout Tracker or Kalbox?
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