Comparison

3AK Sprinting vs Sacky

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

Head to head
About

3AK Sprinting

This app provides advanced AI-powered tools for runners, including stride analysis, personalized coaching, and structured workout programs. It also features nutrition tracking and daily challenges to help athletes improve performance and build discipline.

Highlights
  • AI stride and form analysis
  • Personalized AI coaching
  • Custom workout programs
  • Smart nutrition tracking
  • Daily challenges
  • Performance tracking and analytics
Features
Currently charting
Read full description

Sprinting is the fastest way to get fit, 3AK makes it simple while guiding you every step of the way. You don't need hours of jogging to change your health. A few short sprint sessions a week can lift your cardio fitness, build lean muscle, and give you more energy — in a fraction of the time. 3AK builds your plan, coaches your technique, and tracks every step of your progress. WHY SPRINTING - Time-efficient — real results in 20–30 minutes, not endless miles - Heart & lungs — raise your VO2 max and cardiovascular fitness - Strength & power — build lean muscle that steady-state cardio can't - All-day burn — keep your metabolism working after you finish WHAT YOU GET - A personalized plan — adaptive sprint sessions built around your level and updated as you improve - Daily readiness check — tell 3AK how your body feels and it tunes the session to match - AI sprint analysis — breaks your run into phases (reaction, drive, acceleration, top-end, speed, finish) so you know exactly what to work on - Sprint Age — see how fit you really are, and watch it get younger as you train - Strength training — guided lifts that build the power behind your speed - Snap-to-log nutrition — photograph a meal for instant calories and macros NEVER SPRINTED? PERFECT. No track, no experience, no problem. 3AK meets you where you are and coaches you every step — from your first stride to your fastest. Start sprinting smarter. Download 3AK and feel the difference in weeks, not months. Join 50,000+ people already training with purpose. SUBSCRIPTION INFORMATION 3AK requires a subscription to access all features, including AI Stride & Form Analysis, AI Coaching, Custom Workout Programs, Smart Nutrition Tracking, Daily Challenges, and Performance Analytics. Subscription prices and plans are displayed within the app at the time of purchase. Payment is charged to your Apple ID account at confirmation. Subscriptions auto-renew unless turned off at least 24 hours before the end of the current period. You can manage or cancel anytime through Apple ID Account Settings. Any unused portion of a free trial is forfeited when you purchase a subscription. LEGAL Privacy Policy: https://agate-elm-c96.notion.site/3AK-Privacy-Policy-2ef5370fd0a080b5b5e0f3923e47fe68?source=copy_link Terms of Service: https://app.termly.io/policy-viewer/policy.html?policyUUID=d3cbe04f-3efc-4612-86ab-83971d8c244e EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sacky

Compete in a unique sport by uploading video clips of your best moves. Earn points, build streaks, and climb global leaderboards to prove your skills. Engage with a community of players by liking, commenting, and following others.

Highlights
  • Upload video clips
  • Earn points and build streaks
  • Climb global leaderboards
  • Engage with the community
  • Track progress and improve skills
Features
Read full description

Sacky – The Ultimate Sack App Sacky is the home for competitive sack. Upload your best clips, earn points, and climb the leaderboard against players from around the world. Whether you’re just starting out or pushing for the top spot, Sacky gives you the tools to track your progress, improve your skills, and prove you belong at #1. Features Upload Your Clips Post your best sack clips in seconds. From simple stalls to advanced combos, everything counts. Climb the Leaderboards Compete against players everywhere. See your rank in real time and push toward the top. Earn Points and Build Streaks Consistency matters. Earn points for every clip and build streaks to accelerate your ranking. Global Competition Compare your skills with players from around the world. Find out where you stand and who you need to beat. Engage with the Community Like clips, leave comments, and follow other players. Learn from others and build your presence. Terms of Use (EULA): https://sacky.app/terms.html Privacy Policy: https://sacky.app/privacy.html

Screenshots

3AK Sprinting4 screens
Sacky3 screens

Verdict

The call

The clearest difference is in-app purchases: Sacky at none against 3AK Sprinting's 11. Sacky also leads on iOS requirement (15.0 vs 18.0). 3AK Sprinting's advantage is ratings volume (2.4K vs 20) and rating (4.9 vs 4.6). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 3AK Sprinting sells 10 in-app purchases, starting at $6.99 per 7 days. Sacky asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

3AK Sprinting holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: 3AK Sprinting has 2.4K ratings behind it against 20, so its average is the more settled of the two.

Scorecard6 real differences · 5 level
3AK Sprinting versus Sacky: the parameters behind the verdict, then further details
Parameter3AK SprintingSacky
PriceFreeFree
Rating4.9 (2.4K ratings) — better4.6 (20 ratings)
Positive reviews70.5% of reviews—
Number of ratings2.4K — better20
Update frequencyEvery 5 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
Best chart rank#183 — better—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size66 MB50 MB
Age rating4+12+
DeveloperCHRISTIAN MICAH JONESJames Burke

Customer experience

3AK Sprinting

All ratings2,224 ratings
Positive97.3%
Neutral1.3%
Negative1.4%
Written reviews61 reviews
Positive70.5%
Neutral3.3%
Negative26.2%

Sacky

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

3AK Sprinting

Subscriptions10
  • Weekly3 Days trial$6.997 Days
  • Weekly Pro$9.997 Days
  • Monthly$9.991 Month
Show 7 more
  • Yearly$19.991 Year
  • Yearly2 variants$29.991 Year
  • Yearly3 Days trial$29.991 Year
  • Yearly1 Year trial$39.991 Year
  • Yearly$39.991 Year
  • Yearly3 Days trial$39.991 Year
  • Yearly$49.991 Year
None

Sacky

No in-app purchases

Questions

Is 3AK Sprinting free?
3AK Sprinting is free to download, with in-app purchases available.
Is Sacky free?
Sacky is free to download, with no in-app purchases.
Which has better reviews, 3AK Sprinting or Sacky?
3AK Sprinting is rated higher. 3AK Sprinting averages 4.9 out of 5 from 2.4K ratings, while Sacky averages 4.6 from 20 ratings.
Do 3AK Sprinting or Sacky have ads?
Neither 3AK Sprinting nor Sacky shows ads.

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