SunGuard vs PostureFit Agent
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SunGuard
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The app dynamically adapts to your behavior: If you move into the shade or partial shade, your remaining sun exposure time is recalculated with a single tap. The same applies to activities like swimming, sweating, or spending time on reflective surfaces such as snow or sand. This ensures your estimate remains realistic and up-to-date at all times. You’ll be notified in time before your skin is damaged. The app also reminds you when to reapply sunscreen—for optimal protection all day long. Transparency is key: In the Info section, all calculations are clearly explained, and you’ll find in-depth information about UV radiation, skin types, and effective sun protection. The free version already offers all the essential features to reliably protect you from the sun. With the Pro version, you get even more out of the app: • Create multiple profiles and conveniently manage your whole family • Start tracking your sun exposure retroactively if you forgot to open the app in the morning • One-time purchase for €9.99 – ad-free for life Whether in everyday life, on vacation, or while exercising—this app adapts to you and helps you enjoy your time in the sun safely and mindfully. Not medical advice or a medical device!
PostureFit Agent
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PostureFit AI analyzes your posture in real time using your iPhone's camera — nothing leaves the device. On-device AI detection at 30 fps, zero per-frame server calls. WHAT YOU GET • Instant feedback — notice posture drift before it turns into pain • Natural voice coaching in 8 languages: English, Portuguese (Brazil + Portugal), Spanish, French, German, Italian, Dutch • Conversational coach — ask questions about aches, exercises, or form adjustments and get an immediate AI response • 18 guided exercises — squat, plank, bridge, Cat-Cow, lunge, Deadbug and more, each with posture cues tailored to your body • Apple Health integration — your sessions appear as Mindful Minutes in your daily ring • Free for everyone in this release — no subscription required. PRIVACY BY DESIGN • Posture detection runs 100% on your iPhone — the video stream never touches a server • Only aggregate session summaries (average score, duration, exercise name) optionally sync for progress tracking • GDPR-compliant — export or delete your data with one tap • Email-only passwordless login — nothing to leak, nothing to reuse TWELVE COACH PERSONAS Pick the voice that matches your vibe: • Calm profiles (clara, caio, cal) — yoga pacing, steady encouragement • Coach profiles (marina, marco, mika) — energetic, sport-style motivation • Young profiles (noa, neo, nix) — peer-to-peer, Gen-Z feel • Senior profiles (beta, beto, be) — pedagogical, 30% slower delivery designed for 55-65 listeners DESIGNED FOR DAILY USE Each session takes 3-8 minutes. Do one in the morning before your commute, one between meetings, one before bed. The app adapts to your consistency — longer streaks unlock personalized programs. NOT A MEDICAL DEVICE PostureFit AI supports posture awareness and does not diagnose, treat, or prevent any medical condition. If you experience pain, see a qualified physiotherapist or physician. MADE BY pLim/lab) Built in Lugano, Madrid, Amsterdam and Luxembourg. Part of the pLim/lab ecosystem of open-source wellness tools. Feedback and feature requests welcome at posture.plimlab.ch/support.html.
Screenshots
Verdict
The clearest difference is in-app purchases: PostureFit Agent at none against SunGuard's 1. 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. SunGuard sells 1 one-off in-app purchase. PostureFit Agent asks for nothing beyond the download.
| Parameter | SunGuard | PostureFit Agent |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Patrick Schmutz | Marcio Sosim Debize |
In-app purchases
SunGuard
- SunGuard Pro$8.99
PostureFit Agent
No in-app purchases









