Comparison

Zero vs Ask Baseline

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Zero

This app helps you manage stress by combining guided breathing exercises with real-time biometric data from your Apple Watch. It provides insights into your stress patterns and helps you schedule recovery moments to build resilience.

Highlights
  • Guided breathing exercises
  • Real-time biometric tracking (RHR, HRV)
  • Stress pattern analysis
  • Scheduled mindful breaks
  • Relaxation validation
  • Local data storage
Features
Read full description

Zero Rush — Your Relaxation Tracker Zero Rush helps you slow down, reset, and understand your stress. Combining guided breathing, real-time biometrics, and relaxation tracking, it gives you measurable insights into how your body responds to stress — so you can take control, not just calm down. Relaxation Tracker Discover what really helps you relax — massage, meditation, music, or silence. Track how your heart rate changes before and after each session to validate what actually works for you. Track Your Stress & Understand Your Patterns With Apple Watch, Zero Rush calculates your stress level using your latest Resting Heart Rate (RHR) and Heart Rate Variability (HRV). See when your stress increases, identify your triggers, and understand your patterns by time of day and day of the week. Breathe Better Use scientifically backed breathing methods like 4-7-8 or Box Breathing to reduce tension and improve focus. Customize your own breathing method and create the perfect rhythm for your daily breaks. Scheduled Breaks Plan your daily recovery moments. Set up smart reminders to take mindful breaks throughout the day, and reconnect with yourself for just a few minutes at a time. Privacy by Design Your data never leaves your device. Everything is stored locally and visible only to you. Zero Rush is not a medical device and does not provide diagnosis or treatment. It is intended for wellness and educational purposes only. Compatible with: iPhone & Apple Watch. Apple Watch unlocks live HRV, resting heart rate, and real-time stress tracking — Zero Rush also works without one. Stop guessing what calms you. Start knowing. Terms of Use: https://www.zero-rush.com/terms-of-use/ Privacy Policy: https://www.zero-rush.com/privacy-policy/ EULA: https://www.zero-rush.com/eula/

About

Ask Baseline

Scan packaged foods to receive a personalized health score based on your allergies, diet, and goals. Understand ingredient explanations, nutrition details, and discover healthier alternatives.

Highlights
  • Personalized 0-100 health score
  • Plain-English ingredient explanations
  • Nutrition tailored to your goals
  • Processing and seed oil analysis
  • Allergy and condition alerts
  • Better swap recommendations
  • Household profiles
Read full description

Most scanners stop at "is it safe?" Baseline goes further on every food you buy. Scan any packaged food and get a 0–100 score personalised to you: your allergies, your diet, your goals. See what's really inside, why it scores the way it does, and a better swap when something falls short. Baseline reads the whole label, not just the front. Additives explained in plain English. Sugar, sodium, fibre and protein judged against your targets, not a generic table. Processing and seed oils called out. And when a product isn't in our database yet, photograph the label and get a score on the spot. Start free for 7 days. ◆ THE THREE QUESTIONS BASELINE ANSWERS Most scanners answer one. Baseline answers all three: • Is it safe? Additives, concerning or restricted ingredients, and EU-banned substances, flagged clearly, with a plain-English profile for every additive. • Is it right for you? Allergies, conditions and diet (lactose, gluten and more) checked against your profile and your family's. • Is it actually good? Nutrition scored against your own goals, plus how processed it is and what oils it uses, so a "clean" label can't hide a poor product. ◆ WHAT YOU GET • 0–100 personalised score for any packaged food • Plain-English "why": the reasoning behind every score • Every additive explained: what it's for, what the evidence says, who should be careful • Nutrition personalised to your goals: protein, fibre, sugar, sodium and more • Processing level and seed-oil checks • Allergy and condition alerts (lactose, gluten and more) • EU-banned and restricted ingredient flagging • Recall notices on products you've scanned • "Better swap" alternatives: higher-scoring options when something falls short • Household profiles: a separate profile per family member • Not in our database? Photograph the label and get a score in seconds ◆ WHY BASELINE Our scores are built on published research and regulator data, not opinions. Every result traces back to the ingredients and nutrition on the label, and the methodology is in the app for you to read, not a verdict you have to trust blindly. ◆ HOW IT WORKS 1. Set up your profile: allergies, diet and goals (one per family member). 2. Scan a barcode, or photograph the label if we don't have the product yet. 3. Get a 0–100 score, the plain-English "why", and a better swap if there's a stronger option. ◆ HONEST ABOUT HOW WE WORK "Better swap" links may earn Baseline a commission. Swaps are ranked by the same 0–100 score every product gets, never by what pays us. The methodology is the product; the affiliate relationship never moves a score. ◆ FAQ A: Nutrition against your goals, additives and their evidence, processing level, and personal fit (allergies, diet). The "why" shows exactly which factors moved the number. Q: What if a product isn't in your database? A: Scan it anyway. The app asks for a photo of the nutrition panel and ingredients and scores it on the spot. Q: Do I have to type anything in? A: Just scan. Your profile, set once, does the rest. ◆ MEMBERSHIP Baseline is a premium membership. Start with a 7-day free trial, then $39.99/year. Baseline is an educational tool. It does not diagnose, treat, cure, or prevent any condition, and is not medical advice. Talk to a qualified professional about your health. Payment is charged to your Apple ID at confirmation of purchase. Your subscription auto-renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the period ends. Manage or cancel anytime in your App Store account settings. Any unused portion of a free trial is forfeited when you purchase a subscription. Privacy Policy: https://www.askbaseline.com/pages/privacy-policy-1 Terms of Use: https://www.askbaseline.com/pages/terms-of-service-1

Screenshots

Zero4 screens
Ask Baseline4 screens

Verdict

The call

The clearest difference is ads: Zero at none against Ask Baseline's shown. Ask Baseline's advantage is ratings volume (28 vs 1) and update cadence (every 9 days vs every 3 weeks). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Zero sells 3 in-app purchases, starting at $1.99 per month and Ask Baseline sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Zero against 5.0 for Ask Baseline. That said, the two scores are not equally well evidenced: Ask Baseline has 28 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Zero ships an update every 3 weeks, Ask Baseline every 9 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Zero versus Ask Baseline: the parameters behind the verdict, then further details
ParameterZeroAsk Baseline
PriceFreeFree
Rating5.0 (1 ratings)5.0 (28 ratings)
Positive reviews—100.0% of reviews
Number of ratings128 — better
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS18.515.1 — better
Further details — not scored
Size10 MB101 MB
Age rating4+4+
DeveloperCarlos Adiel Vega LopezOur Peak Health Inc.

Customer experience

Zero

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Ask Baseline

All ratings26 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Zero

Subscriptions2
  • All Access – Monthly14 Days trial$1.991 Month
  • All Access – Yearly14 Days trial$19.991 Year
One-time1
  • Lifetime All Access$89.99
2 purchases

Ask Baseline

Subscriptions2
  • Ask Baseline Pro — Monthly$7.991 Month
  • Ask Baseline Pro — Annual7 Days trial$39.991 Year

Questions

Is Zero free?
Zero is free to download, with in-app purchases available.
Is Ask Baseline free?
Ask Baseline is free to download, with in-app purchases available.
Which has better reviews, Zero or Ask Baseline?
Zero and Ask Baseline are both rated 5.0 out of 5 on the App Store, from 1 and 28 ratings respectively.
Do Zero or Ask Baseline have ads?
Ask Baseline shows ads; Zero does not.
Which is updated more often, Zero or Ask Baseline?
Zero ships an update every 3 weeks, and Ask Baseline every 9 days. Most recently, Zero was updated on October 16, 2026 and Ask Baseline on October 24, 2026.

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