O2X vs VIRTUS.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O2X
This app delivers personalized physical and mental training programs designed to meet your specific needs. Access workouts and guidance from a team of over 150 elite athletes, special operations veterans, and academics.
- Customized training programs
- Physical training
- Mental training
- World-class athlete trainers
- Special operations veteran trainers
- Academic expertise
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Train wherever, whenever. We bring physical and mental training directly to you. Each program is customized to meet your needs and executed by our team of over 150 world-class athletes, special operations veterans, and renowned academics.
VIRTUS.
This app provides detailed data on your workouts, showing your progress with real-time updates on estimated 1RM, training intensity, and muscle engagement. It helps you train smarter by visualizing your strength and volume.
- Real-time estimated 1RM updates
- Track training intensity
- Strength Triangle visualization
- Volume Circle for muscle engagement
- Detailed workout data breakdown
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Virtus isn’t just another workout app. I built this because I was tired of guessing if I was actually getting stronger. This shows you. Every workout, every set, every rep broken down into real data you can actually understand. • See your estimated 1RM update in real time • Track how hard you’re training with intensity • Visualize your strength with the Strength Triangle • See exactly what muscles you’re hitting with the Volume Circle Just proof that you’re improving. Or proof that you’re not. Train smarter. Train Virtus
Screenshots
Verdict
The clearest difference is rating: VIRTUS. at 5.0 against O2X's 4.2. VIRTUS. also leads on in-app purchases (none vs 2). O2X's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (68 vs 3). On price, ads, device support and iOS requirement 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. O2X sells 2 in-app purchases, starting at $9.99 per month. VIRTUS. asks for nothing beyond the download.
VIRTUS. holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: O2X has 68 ratings behind it against 3, so its average is the more settled of the two.
O2X ships an update every 3 weeks, VIRTUS. every 3 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.
| Parameter | O2X | VIRTUS. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (68 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 65.5% of reviews | — |
| Number of ratings | 68 — better | 3 |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | O2X Human Performance LLC | THOMAS FRANCIS LUSSIER |
Customer experience
O2X
VIRTUS.
In-app purchases
O2X
- Monthly Subscription$9.991 Month
- Yearly Subscription$99.991 Year
VIRTUS.
No in-app purchases
