Workout SUM vs Volym
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Workout SUM
This app helps you track your fitness progress and achieve your goals with ease. It syncs with Apple Health, offers detailed stats, and visualizes your achievements through graphs and charts, all without requiring a login.
- Progress tracking
- Goal setting and achievement
- Apple Health integration
- Detailed workout statistics
- Visual progress graphs
- Offline functionality
- Home screen widgets
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Your Apple Health workouts, finally making sense. Workout SUM reads the workouts your Apple Watch, iPhone and other apps already save to Apple Health, and turns them into clear stats, streaks, personal records and trends. It doesn't record workouts itself, so there's nothing new to start or stop. Pay once. No subscription. No account. No ads. SEE HOW YOU'RE REALLY DOING • Trends: compare this week, month or year with the last, per activity • Streaks: how many days in a row, and your best run • Records: longest, fastest and biggest, for every activity • Goals: set a target for the week, month or year and watch it fill • Charts for duration, distance, pace, calories and time of day • Running splits and pace YOUR YEAR IN WORKOUTS • Yearly Report with totals, streaks and year-over-year comparison • Beautiful share cards, made for stories and group chats ON YOUR WRIST AND HOME SCREEN • Apple Watch app: Summary, Activities, Trends and Streaks • Widgets for Home Screen and Lock Screen: summary, streak and trend • Siri and Shortcuts: ask for your streak, a summary or your biggest trend BUILT AROUND APPLE HEALTH • Works with any app that saves workouts to Health • Pick which activity types to include, and choose km or miles • Forgot your watch? Add a workout by hand • Works offline SIMPLE AND PRIVATE No sign-up needed. Workout SUM reads your workouts from Apple Health and calculates everything on your device. Available in English, German, Spanish, French, Italian, Japanese, Korean, Portuguese (Brazil) and Chinese (Simplified).
Volym
This strength training log automates weight and rep targets for each workout, ensuring consistent progress. It calculates warm-ups, tracks personal records, and allows for fast logging of sets and supersets. Log from your wrist with Apple Watch integration.
- Auto progression for weight and reps
- Calculated warm-up sets
- Apple Watch logging
- Progress charts and personal records
- Fast workout editor
- Session and routine planning
- Plate calculator
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Stop guessing what to lift. Volym tells you. Volym is a strength training log that does the maths for you. Finish your sets and it sets your next weight and rep targets, so every session is a small step forward instead of a repeat of last week. AUTO PROGRESSION – ALWAYS FREE Hit the top of your rep range and Volym bumps the weight. Fall short and it holds. Pick a goal like hypertrophy and the targets follow. WARM-UPS, CALCULATED Warm-up sets are worked out from your working weight, so you're ready for the heavy sets without the mental arithmetic. APPLE WATCH Log reps, run rest timers and time your planks and carries from your wrist. Your phone can stay in the bag. PROGRESS YOU CAN SEE Charts for every lift: heaviest weight, session volume and personal records. Track body weight and measurements right next to your lifts. FAST LOGGING A clean workout editor built for the gym floor. Sets, supersets and notes in a few taps. PLAN AHEAD Build sessions and routines in advance, so you always know what's next. YOUR DASHBOARD Weekly volume, week streaks and total time trained, at a glance. PLATE CALCULATOR Enter a weight and see exactly which plates go on the bar. No feeds. No gimmicks. Just the tools to stay consistent and keep getting stronger. Privacy Policy: https://volymapp.com/privacy-policy Terms and conditions: https://volymapp.com/terms-and-conditions
Screenshots
Verdict
The clearest difference is price: Volym at Free against Workout SUM's $3.99. Volym also leads on rating (5.0 vs 4.4) and device support (4 vs 2). Workout SUM's advantage is in-app purchases (none vs 2) and ratings volume (8 vs 1). On update cadence and ads 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
Volym is free to download; Workout SUM costs $3.99 up front. Volym sells 2 in-app purchases, starting at $2.99 per month. Workout SUM asks for nothing beyond the download.
Volym holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Workout SUM has 8 ratings behind it against 1, so its average is the more settled of the two.
Workout SUM ships an update every 2 months, Volym every 6 weeks. Both last shipped on November 3, 2026.
| Parameter | Workout SUM | Volym |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.4 (8 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 8 — better | 1 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 127 MB |
| Age rating | 4+ | 4+ |
| Developer | Ziga Porenta | Peter Nielsen |
Customer experience
Workout SUM
Volym
In-app purchases
Workout SUM
No in-app purchases
Volym
- Volym Pro Monthly$2.991 Month
- Volym Pro Annually$29.991 Year









