Syntax vs Sweat Tax
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Syntax
Effortlessly log strength training workouts by typing or speaking natural language commands. This app offers an AI coach, routine creation, and progress tracking, all while prioritizing user privacy with local data storage and no ads.
- Natural language workout logging
- AI coaching and routine building
- Local data storage and privacy
- Strava integration
- Live Activities and Dynamic Island support
- Offline functionality
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Log your workout in seconds — just type "bench 80kg 3x8" or ask the AI coach. No tapping through menus. No manual data entry. Syntax is the fastest way to track strength training. YOUR DATA STAYS ON YOUR DEVICE No account required. No cloud sync. No tracking. No ads. Everything is stored locally in plain-text files you own and control. Built in London, designed for privacy. TYPE OR TALK TO LOG Type your sets in natural language — "squat 100kg 5x5" — and Syntax understands. Or use the built-in AI coach to log by conversation. Spend less time on your phone, more time lifting. AI COACH BUILT IN Get a personal training assistant that builds routines, answers questions, and tracks your progress. Powered by the AI model you choose (Google Gemini, OpenAI, Anthropic, and more). Your API key, your data. STRAVA INTEGRATION Export your workouts to Strava with one tap. Keep all your training data connected across platforms. LIVE ACTIVITIES & DYNAMIC ISLAND See your current workout on your Lock Screen and Dynamic Island. Track elapsed time, current exercise, and sets completed at a glance. ROUTINES & PROGRAMS Create and save workout templates. Start a session from a routine and fill in the weights as you go. Progressive overload made simple. TRAINING HISTORY & PERSONAL RECORDS Review every workout. See exercise trends, PRs, and volume over time. All your data, always accessible, always exportable. 75+ BUILT-IN EXERCISES Browse a curated exercise database with muscle groups and equipment filters. Add your own custom exercises anytime. WORKS OFFLINE No internet needed to log workouts. Train anywhere — gym basements, outdoor parks, hotel gyms. Your data is always available. FREE TO USE Core workout logging is completely free with no limits. Pro unlocks advanced AI coaching and detailed analytics. Syntax is for lifters who want a fast, no-nonsense way to track training. If you've ever logged workouts in a notes app and wished it was just a little smarter — this is it.
Sweat Tax
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Sweat Tax is a training app built for people who take progression seriously. Plan your split, log your workouts, track recovery, and see your progress clearly. Whether you train alone, with a GymBro, or as a coach managing clients, Sweat Tax keeps your training structure in one place. Features: Log workouts with sets, reps, and weight Track recovery and muscle freshness View progress, PRs, and workout stats Build and edit custom workout splits Use shared split syncing with your GymBro Manage trainer-client workflows Run live PT sessions and log workouts for trainees Keep profiles, splits, and workout history organized Sweat Tax is designed to make training cleaner, more structured, and easier to follow over time. GymBro logging allows you to log to your synced GymBro's history from your device. Subscriptions unlock premium features including advanced split tools, GymBro features, and personal trainer functionality. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Syntax at every 3 days against Sweat Tax's weekly. 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
Both are free to download. Syntax sells 2 in-app purchases, starting at $3.99 per month and Sweat Tax sells 10 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.
Syntax ships an update every 3 days, Sweat Tax weekly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | Syntax | Sweat Tax |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 5 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuanjia Su | Adriaan Burger |
In-app purchases
Syntax
- Syntax Pro Monthly$3.991 Month
- Syntax Pro$29.991 Year
Sweat Tax
- Trainer 5 Monthly$12.991 Month
- Trainer 10 Monthly$19.991 Month
- Trainer 15 Monthly$26.991 Month
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- Trainer 20 Monthly$32.991 Month
- Elite 30 Monthly$39.991 Month
- Trainer 5 Yearly$129.991 Year
- Trainer 10 Yearly$199.991 Year
- Trainer 15 Yearly$269.991 Year
- Trainer 20 Monthly$329.991 Year
- Elite 30 Yearly$399.991 Year









