YourBAC vs iyarn
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YourBAC
Estimate your Blood Alcohol Concentration (B.A.C.) using your personal details and drinks consumed. Understand how long it takes for your B.A.C. to return to zero. Results are a guide only and not a substitute for a certified breathalyser.
- B.A.C. estimation
- Personalized calculations
- Time to reach 0.000
- 30+ drink choices
- Local settings storage
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Estimate your Blood Alcohol Concentration (B.A.C.) based on gender, height, weight, time spent drinking and standard drinks consumed. Improve your understanding of B.A.C. by estimating how long it takes until it reaches 0.000. Features: - 30+ choices for Beer, Cider, Spirits, Wine and Champagne - Estimated B.A.C. reads to 3 decimal places - Easy touch screen options - Locally stores settings and favourite drink types for quicker selection - Options for further support and information via the DrinkWise link Results are a guide only - use an Australian certified breathalyser for exact readings. Estimations should not be used to determine a user’s ability to drive.
iyarn
This app helps users reflect on and improve key areas of their lives through regular check-ins. It integrates personal insights, health data, and goal-setting tools to foster holistic well-being and build stronger connections.
- Life Check-ins
- Personalized Recommendations
- Goal Tracking
- Community Support
- Integrated Health Metrics
- Customizable Check-ins
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iyarn is an innovative platform that empowers users to reflect on and improve key areas of their lives through regular check-ins. By integrating personal insights, health data, and goal-setting tools, iyarn helps individuals build stronger connections with themselves and others while fostering holistic well-being. iyarn is perfect for: Personal development; for individuals looking at developing greater self-awareness. Case management; for social services organisations, schools workplaces and career development. Researchers; to track patient outcomes via journaling, customisable psycho-social check-ins plus biometrics from wearable devices. Coaching; to assist coaches to track how their team members are going physically and psychologically Core Features: * Life Check-ins: Measure and track well-being across multiple life dimensions that are fully customisable, such as physical health, mental clarity, relationships, and work-life balance. * Personalised Recommendations: Use detailed insights to create actionable strategies for improvement and support resources * Goal Tracking: Set, monitor, and achieve meaningful personal goals with real-time feedback. * Community Support: Share your progress with trusted friends, family, or support networks to deepen your connections. Privacy and Security: We strictly adhere to Apple Health Connect Permissions policy, requesting only the minimum necessary data to deliver the core functionality of the app. All data is securely processed and used solely for providing personalised insights to users. Your Well-Being, Your Control: iyarn is committed to empowering users with actionable insights without compromising their privacy. You remain in full control of the data you share, with options to customise permissions according to your preferences.
Screenshots
Verdict
The clearest difference is review sentiment: iyarn at 98% against YourBAC's 40%. iyarn also leads on rating (5.0 vs 3.0). YourBAC's advantage is iOS requirement (8.0 vs 16.4). On price, ratings volume, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.
iyarn holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 40% of YourBAC's written reviews are positive against 98% of iyarn's.
YourBAC ships an update every 5 weeks, iyarn monthly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.
| Parameter | YourBAC | iyarn |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 40.0% of reviews | 97.9% of reviews — better |
| Number of ratings | 2 | 5 — better |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 25 MB | 67 MB |
| Age rating | 17+ | 12+ |
| Developer | Ashley Gurney | iyarn |
Customer experience
YourBAC
iyarn
Bugs and requests
YourBAC
Not enough reviews yet to summarise bugs or requests.
iyarn
Reported bugs
2 issues- Struggling to click next or do a check in through the app
- Had to go onto the website to continue check-in past the first step
Requested features
2 requests- Improve app usability for check-ins
- Look into app's scroll and button functionality
In-app purchases
YourBAC
No in-app purchases
iyarn
No in-app purchases









