Comparison

Spleeft vs Viking Strength Calculators

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Spleeft

This app uses your iPhone or Apple Watch to track barbell velocity and jump height without external devices. It provides real-time feedback and AI-powered analytics for strength training, helping coaches and athletes optimize performance and monitor progress.

Highlights
  • Measure barbell velocity and jump height
  • Real-time feedback and alerts
  • Strength training and 1RM calculator
  • AI-powered data analytics
  • Coach-friendly data management
  • Sports science validated accuracy
Features
Read full description

Unlock your full strength training potential with Spleeft, the ultimate VBT tracker that measures barbell velocity, jump height, and more—without external devices. Whether you're a coach or an athlete, take your Velocity Based Training (VBT) to the next level with real-time feedback and Gym AI powered analytics. Key Features: • MEASURE BARBELL VELOCITY & JUMP HEIGHT: Track barbell velocity and jump performance in real time using just your iPhone or Apple Watch. Set a velocity loss threshold and receive real-time alerts when your performance drops. • STRENGTH TRAINING & VELOCITYT TRACKING WITH 1RM CALCULATOR: Measure traditional barbell exercises like squats, deadlifts, and bench press. Plus, estimate your 1RM and track your strength training progress month by month. • DATA ANALYTICS: Get detailed insights into your performance with Gym AI powered analytics. Track your best rep velocity, review your load-velocity profile, and monitor your max power load to ensure continuous improvement. • REAL-TIME FEEDBACK FOR SMART TRAINING: Whether using your iPhone or Apple Watch, Spleeft offers real-time feedback on your velocity and helping you train smarter and optimize every rep for better results. • COACH-FRIENDLY DATA MANAGEMENT: Perfect for coaches—automatically save each series to your iPhone, Apple Watch, and iCloud for easy review. Tag data by exercise variation (e.g., trap bar deadlift) or athlete name, and filter by tag to analyze each athlete’s progress. Export data in .csv format for further analysis and integration. • BARBELL TRACKER & MACHINE EXERCISES: With the iPhone app, measure velocity during machine exercises like leg press, and the Apple Watch extension allows velocity tracking in dumbbell exercises. • SPORTS SCIENCE VALIDATED: Backed by sports science and validated against professional equipment, including a motion capture system, ensuring the most accurate velocity tracking. Pricing: • 3-day free trial available. • After the trial, make a one-time payment to access barbell velocity and jump height tracking with your iPhone or Apple Watch. • PRO features like data management and analytics are available exclusively for PRO users. Why Choose Spleeft? • Trusted by coaches and athletes for precise, real-time performance tracking. • No need for external devices or encoders—just your iPhone and Apple Watch. • Gym AI powered analytics and detailed data management designed to help you train smarter and track your progress with accuracy. Start your strength training with Velocity Based Training (VBT) today. Download Spleeft now and improve your barbell velocity, jump height, and overall performance! Check pricing for your region below, at the In-App Purchases section of the Information. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Viking Strength Calculators

Features
Read full description

Vuoi migliorare i tuoi allenamenti di forza? Ti piacerebbe stimare i massimali di squat, panca piana e stacco ma non vuoi testarli direttamente? Hai degli obiettivi da porti e vuoi scoprire quante ripetizioni devi riuscire a fare con un determinato carico per riuscirci? Quanto deve essere forte un calciatore? E un Fighter? Sei in equilibrio strutturale o hai evidenti muscoli deboli e carenti? Grazie a Viking Strength Calculators potrai scoprire la risposta a queste e tante altre domande inerenti il mondo della forza in sala pesi. I migliori calcolatori utilizzati quotidianamente da Nicholas Rubini, Strength & Power Coach e Personal Trainer, per ottimizzare gli allenamenti in palestra. Che tu sia un Powerbuilding, un Powerlifter o uno Sportivo, grazie a questi calcolatori potrai migliorare i tuoi allenamenti in palestra, porti obiettivi concreti da raggiungere, e ottimizzare la scelta dei carichi allenanti per aumentare la forza massima e la forza esplosiva.

Screenshots

Spleeft4 screens
Viking Strength Calculators4 screens

Verdict

The call

The clearest difference is in-app purchases: Viking Strength Calculators at none against Spleeft's 14. Viking Strength Calculators also leads on iOS requirement (12.4 vs 15.0). Spleeft's advantage is device support (5 vs 3). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Spleeft sells 14 in-app purchases, starting at $1.99 per 7 days. Viking Strength Calculators asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
Spleeft versus Viking Strength Calculators: the parameters behind the verdict, then further details
ParameterSpleeftViking Strength Calculators
PriceFreeFree
Rating1.0 (3 ratings) — better—
Positive reviews44.4% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.012.4 — better
Further details — not scored
Size37 MB9 MB
Age rating17+4+
DeveloperIvan de Lucas RogeroFederico Dente

In-app purchases

14 purchases

Spleeft

Subscriptions10
  • Spleeft PRO (Week)$1.997 Days
  • Spleeft PRO1 Month trial$3.991 Month
  • Spleeft Coach (Week)$3.997 Days
Show 7 more
  • Spleeft Coach (Month)14 Days trial$8.991 Month
  • Spleeft Big Coach (Month)1 Month trial$12.991 Month
  • Spleeft Elite Coach (Month)1 Month trial$17.991 Month
  • Spleeft PRO (1 year)$22.991 Year
  • Spleeft Elite Coach (Annual)1 Month trial$69.991 Year
  • Spleeft Coach (Annual)1 Month trial$79.991 Year
  • Spleeft Big Coach (Annual)1 Month trial$99.991 Year
One-time4
  • 30 days trialFree
  • Spleeft Jump$5.99
  • Spleeft VBT$5.99
Show 1 more
  • Spleeft Watch Extension$8.99
None

Viking Strength Calculators

No in-app purchases

Questions

Is Spleeft free?
Spleeft is free to download, with in-app purchases available.
Is Viking Strength Calculators free?
Viking Strength Calculators is free to download, with no in-app purchases.
Do Spleeft or Viking Strength Calculators have ads?
Neither Spleeft nor Viking Strength Calculators shows ads.
Which is updated more often, Spleeft or Viking Strength Calculators?
Spleeft ships an update every 3 weeks, and Viking Strength Calculators every 3 weeks. Most recently, Spleeft was updated on October 30, 2026 and Viking Strength Calculators on October 27, 2026.

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