Posture Correction vs Tersy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Posture Correction
This app offers a personalized 90-day program to improve posture and build better movement habits. It provides guided exercise sessions with video instructions and allows users to track progress and unlock achievements. The app focuses on general wellness and mobility, not medical advice.
- Personalized 90-day posture program
- Guided exercise sessions with video
- Focus on neck, shoulders, upper back, chest, core
- Daily session lengths from 5-15 minutes
- Maintenance plan for long-term support
- Progress tracking and achievements
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Renava is a personalized 90-day posture training app designed to help you improve your posture, build better movement habits, and support your body after long hours of sitting, working, or looking down at a phone. Start with a short onboarding, and Renava creates a posture program based on your answers, goals, available time, and the areas you want to focus on — such as your neck, shoulders, upper back, chest, or core. Your main plan is built as a structured 90-day program divided into three 30-day phases. Each phase gradually guides you through posture-focused exercises, mobility work, stretching, and body-awareness routines to help you move better and build a more consistent posture habit over time. After the 90-day program, Renava continues with a maintenance plan designed to help you keep your progress and support your posture long term. Each daily session works like a guided workout: • Clear video instructions • Exercise-by-exercise guidance • Timers and rep counters • Step-by-step movement flow • Simple sessions you can complete at home Choose the session length that fits your day: • 5–8 minutes • 8–12 minutes • 12–15 minutes You can also add extra routines alongside your main plan, including morning mobility, evening stretching, gentle recovery, and calming movement routines. Inside Renava, you can: • Follow a personalized 90-day posture improvement program • Build better posture habits step by step • Get guided exercise sessions with video instructions • Focus on neck, shoulders, upper back, chest, and core mobility • Add extra morning, evening, stretching, and recovery routines • Track your streak, completed sessions, minutes, and exercises • Unlock achievements and follow your progress over time • Continue with a maintenance plan after the first 90 days Renava is built for people who spend long hours sitting, working at a desk, using a laptop, or looking down at a phone. The goal is to make posture training simple, structured, and easy to repeat every day. Renava is focused on general wellness, posture awareness, mobility, and movement education. It does not provide medical advice, diagnosis, or treatment. Renava may offer auto-renewable subscriptions. Payment is charged to your Apple ID account after confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings. Terms of Use: https://renava.app/terms EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://renava.app/privacy Support: https://renava.app/support
Tersy
This app helps you commit to personal growth with a daily challenge tracker. Customize your habits, build a streak over 75 days, and stay accountable with friends. Achieve your glow-up with an aesthetic and flexible design.
- Customizable daily checklists
- 75-day challenge tracker
- Photo proof for tasks
- Friend accountability features
- Aesthetic and clean design
- Flexible challenge length
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Build your habits with Tersy. Small daily actions lead to lasting change. Tersy helps you build the habits that matter to you and stay consistent over time. Set your goals, show up each day, and watch your progress grow. Simple and focused, Tersy keeps the attention on what you’re building. Start small. Stay consistent. Become who you want to be. Terms of Use: https://telegra.ph/Terms-of-Service-10-04-8 Privacy Policy: https://telegra.ph/Privacy-Policy-10-04-213
Screenshots
Verdict
The clearest difference is rating: Tersy at 4.6 against Posture Correction's 4.3. Tersy also leads on ratings volume (249 vs 15). Posture Correction's advantage is update cadence (weekly vs every 2 weeks). On price, ads, in-app purchases and monetization model 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. Posture Correction sells 4 in-app purchases, starting at $6.99 per 7 days and Tersy sells 4 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Tersy holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Tersy has 249 ratings behind it against 15, so its average is the more settled of the two.
Posture Correction ships an update weekly, Tersy every 2 weeks. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.
| Parameter | Posture Correction | Tersy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (15 ratings) | 4.6 (249 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 15 | 249 — better |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 18 |
| Further details — not scored | ||
| Size | 407 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrei Ponomarev | Iurii Frolov |
Customer experience
Posture Correction
Tersy
In-app purchases
Posture Correction
- Renava Weekly$6.997 Days
- Renava Premium$9.991 Month
- Renava Premium 3 Months3 Days trial$29.993 Months
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- Renava Premium3 Days trial$69.991 Year
Tersy
- Baddie Protocol Pro — Weekly$7.997 Days
- Baddie Protocol Pro — Monthly$14.991 Month
- Baddie Protocol Pro – Trial Yearly3 Days trial$44.991 Year
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- Baddie Protocol Pro — Yearly$44.991 Year





