Comparison

ROOT Athletic vs AION

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

Head to head
About

ROOT Athletic

Features
Read full description

FREE TO START STRENGTH β€’ CARDIO β€’ RECOVERY TRAINING ROOT helps you decide what deserves attention next. Train smarter by combining strength, cardio, recovery and coaching in one place. Simple enough to stick with it. Powerful enough to change you. STRENGTH - ADAPTIVE β€’ Create personalized program for your sport, focus, age, experience and equipment β€’ Train across 4 compound movement patterns: hinge, squat, pull, push β€’ Let difficulty (RPE) guide your ideal weights, sets and reps each session β€’ Progress through 5 training levels with built-in block periodization β€’ Follow step-by-step cues to lift heavy and stay injury free CARDIO - DO IT RIGHT β€’ Use breathing cues instead of misleading watch-based zones β€’ Build your aerobic base with Zone 2 training β€’ Improve VOβ‚‚Max with short powerful intervals β€’ Use difficulty (RPE) to tell the algorithm how hard today’s session felt RECOVERY - THE MISSING PIECE β€’ See your recovery every morning from your watch data β€’ Build habits that improve sleep and lower resting HR β€’ Train your nervous system for faster recovery β€’ Use actual readiness to adjust training TRACK WHAT MATTERS β€’ Track weekly training volume β€’ Monitor training load to avoid detraining or overreaching β€’ See whether your efforts actually lead to results β€’ Improve your Athletic Score through strength and cardio development LET AI COACH HELP YOU β€’ Reads your recovery and suggests training β€’ Suggests what deserves attention next β€’ Helps to adjust training program LET YOUR HUMAN COACH IN β€’ Allow your coach to view your data β€’ Let your coach log sessions for you β€’ Revoke access anytime START FREE Strength Level 1 and Cardio Level 1 are free with full functionality and coach guidance. When you're ready to progress, unlock Levels 2–5 and open coach chat with a subscription. Learn more at https://www.rootathletic.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

AION

Features
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YOUR DATA IS ALREADY THERE. AION TURNS IT INTO ACTION. Your watch, ring, and sensors collect thousands of signals every day. AION connects that data and tells you what to do next. Recover better, train smarter, sleep more deeply, and stay aligned with your wellness goals. WHAT AION DOES Always-on analysis: AION continuously monitors your data and identifies changes before they slow you down. Connected insights: Heart rate, HRV, sleep, training load, and biomarkers are analyzed together. Actionable guidance: Every analysis ends with a specific action you can take today. Personal memory: AION learns from your recent cycles and recognizes your own patterns, not just population averages. Transparent recommendations: Every suggestion includes a clear explanation of why it matters. HOW IT WORKS Connect your devices, choose your goals, and let AION work in the background. AION continuously analyzes your data and delivers timely recommendations adapted to your recovery, performance, sleep, energy, and longevity goals. The more you use AION, the better it understands you. YOUR DATA, YOUR CONTROL Your data belongs to you. Export or delete it whenever you choose. AION is not a medical device and does not replace professional medical advice. It is a wellness copilot designed to help you make more informed decisions. Every recommendation is traceable, explained, and informed by established research in training, recovery, and physiological load. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ROOT Athletic4 screens
AION3 screens

Verdict

The call

ROOT Athletic and AION are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ROOT Athletic sells 2 in-app purchases, starting at $4.99 per month and AION sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 days. Both last shipped on October 25, 2026.

ScorecardNo meaningful differences
ROOT Athletic versus AION: the parameters behind the verdict, then further details
ParameterROOT AthleticAION
PriceFreeFree
Update frequencyEvery 5 daysEvery 5 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS16.0.0 β€” better17.0
Further details β€” not scored
Size93 MB13 MB
Age rating4+17+
DeveloperPatrik TjokordaThomas Gomez

In-app purchases

2 purchases

ROOT Athletic

Subscriptions2
  • Monthly$4.991 Month
  • Yearly$39.991 Year
2 purchases

AION

Subscriptions2
  • AION Pro Monthly7 Days trial$9.991 Month
  • AION Pro Annual7 Days trial$44.991 Year

Questions

Is ROOT Athletic free?
ROOT Athletic is free to download, with in-app purchases available.
Is AION free?
AION is free to download, with in-app purchases available.
Do ROOT Athletic or AION have ads?
Neither ROOT Athletic nor AION shows ads.
Which is updated more often, ROOT Athletic or AION?
ROOT Athletic ships an update every 5 days, and AION every 5 days. Most recently, ROOT Athletic was updated on October 25, 2026 and AION on October 25, 2026.

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