Overlay vs ATHRON
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Overlay
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Unlike other Health & Fitness apps, I've always felt sorry that iPhone Fitness app don't have the feature to share activity record with pictures. Let's get started using records from the Health app, write them on pictures, and share them together. To use the app, needs permission to access rights as below. - Health access in the Health app to import activity data - Photo access right to save picture
ATHRON
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The next best decision. Always. Your coach decides with you every day: what is right today, and why. ATHRON is your decision coach for triathlon, running and cycling. Instead of just displaying plans, ATHRON decides with you every day: What is the right session today? Why? And what changes when recovery, sleep or life demand it? An adaptive plan, not a rigid cycle Your training plan is not a document. It is an ongoing decision. ATHRON adapts day by day based on HRV, body battery, sleep, life stress and your race goals. TODAY: one decision, three modes - Quick: What now? One sentence, one action. - Coach: Decision + reasoning + next step. - Analysis: Context, data, trade-offs. Nutrition that matches the training Calorie and macro targets that move with your training week โ hard days differ from rest days. Log meals by photo or barcode. Recipes that respect your taste, your diet and your allergies. Understand your blood work (Premium) Upload your lab report and see what it means for your training: trends over time, the link to load and recovery, concrete conclusions for nutrition and regeneration. Not a diagnosis โ context. Integrations, never mandatory ATHRON works completely without any integration. Garmin, TrainingPeaks, Intervals.icu, Oura, WHOOP and Withings are additive data layers, not requirements. You decide which source leads. Data sovereignty Your health data stays in the EU (Hetzner Frankfurt). No sharing with training-data brokers. No ad tracking. Honest empty states No fake coaching, no invented numbers. When data is missing, ATHRON says so โ and tells you the next step. Who it is for Triathletes, runners and cyclists who want to plan like a coach, not like a calendar. Intermediate to advanced. Subscription After registration, Pro and Nutrition are free for 30 days โ no payment details, no automatic renewal. After that: - ATHRON Pro: โฌ5.99/month or โฌ59.99/year (two months free) - ATHRON Nutrition: โฌ5.99/month or โฌ59.99/year (two months free) - ATHRON Premium: โฌ12.99/month or โฌ139.99/year โ includes Pro, Nutrition and blood-work analysis Subscriptions renew automatically until you cancel. Renewal is charged 24 hours before the end of the current period. You can manage and cancel any time in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://athron.app/legal/privacy ATHRON is your decision layer. Not another data dashboard.
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Verdict
The clearest difference is in-app purchases: Overlay at none against ATHRON's 6. Overlay also leads on update cadence (weekly vs every 3 weeks). ATHRON's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.4). On price and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. ATHRON sells 6 in-app purchases, starting at $4.99 per month. Overlay asks for nothing beyond the download.
Overlay ships an update weekly, ATHRON every 3 weeks. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.
| Parameter | Overlay | ATHRON |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly โ better | Every 3 weeks |
| Ads | Yes | No โ better |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.4 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 18 MB | 104 MB |
| Age rating | 4+ | 12+ |
| Developer | Seungtae Jang | Carsten Urbanski |
In-app purchases
Overlay
No in-app purchases
ATHRON
- Nutrition Plan$4.991 Month
- Athron Pro$4.991 Month
- Athron Premium + Blood Work$11.991 Month
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- Nutrition Plan (Year)$49.991 Year
- Athron Pro (Year)$49.991 Year
- Premium + Blood Work (Year)$119.991 Year









