Spartn! vs BuiltDiff
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spartn!
This AI-powered fitness and nutrition app helps users achieve real results by tracking workouts, monitoring nutrition, and following structured programs. It offers real-time insights, personalized AI coaching, and recovery guidance to adapt training to individual progress.
- AI-powered personalized coaching
- Workout and nutrition tracking
- Structured program library
- Real-time performance insights
- Recovery score and guidance
- Meal tracking with barcode scanning
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Spartn — Train Smarter. Stay Consistent. Spartn is an AI-powered fitness and nutrition app that helps you get better results with less guesswork. Track workouts, log meals, and follow trainer-built programs in one place. Connect Apple Watch for real-time heart rate and training intensity insights, then use Recovery Score to know when to push and when to recover. What you can do with Spartn: • Track sets, reps, and weight • Follow structured programs from real trainers • Generate AI workouts tailored to your progress • Log nutrition with barcode scanning, macros, and custom recipes • Monitor steps and daily activity goals • Get personalized coaching feedback and performance insights Spartn Pro includes: • Unlimited AI workouts • Advanced insights and analytics • Voice meal logging • Unlimited custom recipes • Access to premium features Train smarter. Recover better. Stay consistent.
BuiltDiff
Log your weightlifting sets and reps with a clean, distraction-free interface. Visualize your progress with charts and personalize the app's appearance. Enjoy offline functionality and a sign-up-free experience for efficient workouts.
- Log lifts, sets, and reps
- Create custom workout routines
- Offline functionality
- Sign-up-free experience
- Visualize progress with charts
- Personalize app appearance
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Track your lifts, sets, and reps and watch your strength soar! Enjoy a clean and simple design that makes navigation a breeze. Focus on your workout without any distractions, making your lifting sessions efficient and effective. Features: - watchOS companion app - Tailor your own workout routines - No internet connection needed - Sign up-free experience - Convenient keyboard add-ons for efficient logging of weights and reps - Permanent recording of all your lifts - Visualize your lifting progression through charts - Select your preferred color and personalize the app to make it uniquely yours
Screenshots
Verdict
The clearest difference is in-app purchases: BuiltDiff at none against Spartn!'s 3. BuiltDiff also leads on ads (none vs shown). On price, rating, ratings volume and update cadence 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. Spartn! sells 3 in-app purchases, starting at $9.99 per month. BuiltDiff asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Spartn! against 5.0 for BuiltDiff. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
Spartn! ships an update monthly, BuiltDiff every 2 weeks. Both last shipped on November 4, 2026.
| Parameter | Spartn! | BuiltDiff |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (2 ratings) |
| Number of ratings | 2 | 2 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, Apple Watch | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 136 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | Clevor | Timmy Nguyen |
Customer experience
Spartn!
BuiltDiff
In-app purchases
Spartn!
- Spartn Premium$9.991 Month
- Spartn Trainer Pro$39.991 Month
- Spartn Pro Yearly Subscription3 Days trial$69.991 Year
BuiltDiff
No in-app purchases









