Comparison

Stress Tracker HRV vs Protein Snap

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

Head to head
About

Stress Tracker HRV

Monitor your body's stress levels, sleep quality, and recovery using Heart Rate Variability (HRV) data from your Apple Watch. Gain insights into your mental and physical well-being to make informed decisions about rest and activity.

Highlights
  • Real-time stress tracking via HRV
  • Daily and weekly stress trend analysis
  • Recovery Index for bounce-back assessment
  • Sleep score and optimization insights
  • On-device data privacy
Features
Read full description

Stress tracking with HRV, sleep insights & recovery in one simple app. Feel tired, anxious, or burned out without knowing why? This app gives you answers, not guesses. Stress Tracker uses Heart Rate Variability (HRV) to show your real stress level, sleep quality, and how well you’re recovering — all from your Apple Watch. Track your daily stress instantly. See how it changes across the day or week. Know when to rest, recover, or push forward with data-backed clarity. Features: • Real‑time stress tracking based on HRV • Daily & weekly stress trends • Recovery Index to see how you bounce back • Sleep score and insights to optimize rest • Fully private – nothing leaves your device Get clarity over your mental and physical health. Stop guessing. Start tracking.

About

Protein Snap

Effortlessly track daily protein intake and macros with quick logging, a comprehensive food database, and barcode scanning. Get personalized coaching, workout tracking, and smart health integrations for optimized nutrition.

Highlights
  • One-tap logging
  • Extensive food database
  • Barcode and label scanning
  • Saved meals for quick entry
  • Daily coaching and suggestions
  • Workout tracking
  • Apple Health integration
Features
Read full description

Protein Snap counts your protein – fast, no subscription. Set a goal, log, done. Calories, fat and carbs are there if you want them. LOG THE WAY YOU LIKE • Photo: snap your plate, AI estimates protein, calories and fat – components can be corrected • Describe: type or dictate "2 eggs, a slice of whole-grain bread, one skyr" – every item becomes an entry • Barcode: scan, done. If the database only knows the name (fresh fruit, veg), our own steps in • Label: photograph the nutrition table instead of typing • Quick picks: recent, frequent, your meals – one tap OVER 9,000 FOODS The German Federal Food Code (BLS 4.0) is built in: around 7,100 foods and dishes with official nutrition data, plus the Swiss database and branded products. Pick a portion, the app does the maths. RECIPES WITH PORTION MATHS Cooked a pot of chili, 1800 g total, ate 400 g? Enter the total weight, pick the grams when eating – protein, calories, fat and carbs are scaled. YOUR DAY AT A GLANCE Large progress ring, macro bars, water row and a ring per meal with its calorie budget. Tap a meal to see what's in it. Forgot a day? Log it later. PROGRESS AS A DASHBOARD Tiles you arrange yourself: Ø per day, goal rate, streak, best day, 30-day chart, month overview, year heatmap, week score, water, weight with trend line. Premium tiles show a preview before you buy. WEIGHT & ADAPTIVE GOAL Log weight in the app (or from Apple Health), the trend line filters daily ups and downs. Optionally the app adjusts your calorie goal weekly from your weight trend and logged calories – maintain, lose or build. APPLE WATCH, WIDGETS, LIVE ACTIVITY, SIRI Ring and quick add on your wrist, complications for watch faces. Widgets in three sizes. Today's ring on the Lock Screen and in the Dynamic Island. "Log 30 grams of protein in Protein Snap" – Siri does it. COACHING & REMINDERS A few grams short? The app suggests suitable foods – by time of day, training and your favorites. Reminders only show up while your goal is open. TRAINING & HEALTH Workout templates with live tracking. With Apple Health: training days detected automatically (+20 % on your goal), burned calories credited, post-workout reminder, body fat for the recommendation. NEEDS CALCULATOR Daily goal from weight, activity and aim (maintain, lose, build) – based on common nutrition guidelines. PREMIUM – PAY ONCE, NO SUBSCRIPTION • AI photo and describe • Protein Coach with AI review of your last 14 days • Protein quality (amino acid score) and micronutrients from the BLS • Advanced statistics, year overview, macro charts • Meal builder and recipes • CSV export No ads, no account, no unnecessary permissions. All data stays on your device unless you enable Apple Health.

Screenshots

Protein Snap4 screens

Verdict

The call

The clearest difference is price: Protein Snap at Free against Stress Tracker HRV's $7.99. Protein Snap also leads on update cadence (every 4 days vs every 5 weeks). Stress Tracker HRV's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). On review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Protein Snap is free to download; Stress Tracker HRV costs $7.99 up front. Protein Snap sells 1 one-off in-app purchase. Stress Tracker HRV asks for nothing beyond the download.

UpkeepUpdate frequency

Stress Tracker HRV ships an update every 5 weeks, Protein Snap every 4 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Stress Tracker HRV versus Protein Snap: the parameters behind the verdict, then further details
ParameterStress Tracker HRVProtein Snap
Price$7.99Free — better
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 5 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS13.0 — better17.0
Further details — not scored
Size5 MB9 MB
Age rating4+4+
DeveloperAlvaro Garcia PizarroCarsten Schaal

Customer experience

Stress Tracker HRV

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Protein Snap

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Stress Tracker HRV

No in-app purchases

1 purchases

Protein Snap

One-time1
  • Lifetime Premium$3.99

Questions

Is Stress Tracker HRV free?
Stress Tracker HRV costs $7.99, with no in-app purchases.
Is Protein Snap free?
Protein Snap is free to download, with in-app purchases available.
Do Stress Tracker HRV or Protein Snap have ads?
Neither Stress Tracker HRV nor Protein Snap shows ads.
Which is updated more often, Stress Tracker HRV or Protein Snap?
Stress Tracker HRV ships an update every 5 weeks, and Protein Snap every 4 days. Most recently, Stress Tracker HRV was updated on October 6, 2026 and Protein Snap on October 24, 2026.

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