Notio vs Stop Nail Biting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Notio
This app helps cyclists improve their aerodynamics by measuring drag coefficient and providing performance analysis. It works with dedicated sensor hardware and compatible Garmin devices, allowing for standalone recording and real-time data display. Analyze your performance over time and optimize your riding technique.
- Measure aerodynamic drag coefficient (CdA)
- Benchmark and analyze aero performance
- Track activities and statistics
- Sync with ANT+ bike sensors
- Standalone recording with sensor hardware
- Real-time wind speed and CdA display
Read full descriptionHide full description
Notio combines sensor hardware and this app to improve your aerodynamics by transforming your drag coefficient into better performance. You do not need to carry your phone when you ride. The Notio can be used to record your ride in standalone mode and is compatible with Connect IQ compatible Garmin devices. The Garmin device can start/stop your Notio and display CdA and wind speed values while you ride. Notio’s app includes the ability to: • Benchmark and analyze your aero performances through time. • Track your activities and their related statistics. • Sync with multiple ANT+ compatible bike sensors. (1) Notio calculates: • CdA (aerodynamic drag coefficient) • Relative altitude • Air density • Wind Speed • Acceleration • Roll • Vibration The Notio app breaks speed down into a science. Helping you turn facts and figures into techniques and technology so that you can find your perfect riding sweet spot. Learn more about Notio app and devices at Notio.ai. (1) See compatible devices at Notio.ai/compatibility
Stop Nail Biting
This app helps you quit nail biting through guided awareness exercises. It focuses on noticing sensations to reduce automatic urges, requiring just one minute of practice twice daily. Track your progress with streaks and build a healthier relationship with your hands.
- Guided curiosity sessions
- Daily awareness practice
- Supportive reminders
- Streak tracking
- No guilt or shame approach
- Science-inspired habit rewiring
Read full descriptionHide full description
Stop biting your nails — without willpower, bitter polish, or guilt. Calm Nails is a simple, science-inspired habit app built around one idea: awareness rewires automatic behavior. Instead of fighting urges, you’ll practice short guided “curiosity sessions” that help you notice sensations in your hands and nails—so the impulse loses its grip over time. It’s not a panic button. It’s a tiny daily practice that retrains your brain. How Calm Nails Works 1 minute, twice per day. Do a short Morning Session and Evening Session Follow gentle guidance to explore sensations (pressure, tingling, texture, tension) Learn to pause without force, and let the urge pass naturally With consistency, nail-biting becomes less automatic—and easier to stop for good. What You’ll Love Cure with Curiosity Build a new relationship with your hands through calm attention. No punishment. No shame. Just noticing. Daily Reminders (supportive, not pushy) Set your preferred times and let Calm Nails nudge you back to your practice—without guilt or pressure. Streaks & Consistency Tracking Stay motivated with simple streak tracking designed to keep the habit lightweight and doable. No Gimmicks No bitter polish. No “just stop.” No shame spirals. Calm Nails is built for real humans. Realistic Results Most people notice the urge softening within 1 week with steady practice. Consistency matters more than perfection—even small sessions count. Use Calm Nails free for 14 days, then keep going with a one-time purchase or a monthly plan. Terms of Use: https://www.calmnails.com/terms https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is review sentiment: Stop Nail Biting at 100% against Notio's 33%. Stop Nail Biting also leads on rating (5.0 vs 2.5) and update cadence (monthly vs every 4 months). Notio's advantage is in-app purchases (none vs 5) and iOS requirement (15.0 vs 18.2). On price, ads and device support 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. Stop Nail Biting sells 5 in-app purchases, starting at $3.99 per month. Notio asks for nothing beyond the download.
Stop Nail Biting holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Stop Nail Biting has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 33% of Notio's written reviews are positive against 100% of Stop Nail Biting's.
Notio ships an update every 4 months, Stop Nail Biting monthly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | Notio | Stop Nail Biting |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 5.0 (10 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 10 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 38 MB | 24 MB |
| Age rating | 12+ | +4 |
| Developer | Notio Technologies inc. | Phil Starkovich |
Customer experience
Notio
Stop Nail Biting
In-app purchases
Notio
No in-app purchases
Stop Nail Biting
- Commit to Quit - Monthly$3.991 Month
- Commit to Quit - Monthly w/ Trial3 Days trial$3.991 Month
- Commit to Quit (Annual)$19.991 Year
- Commit to Quit - Lifetime (Special)$9.99
- Commit to Quit (Lifetime)$19.99









