Comparison

HyRhythm vs Grammo

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

Head to head
About

HyRhythm

This app helps you plan and track HYROX-specific workouts on your iPhone and Apple Watch. Analyze performance with detailed heart rate data and segment timings. It's designed to pinpoint areas for improvement in your HYROX training.

Highlights
  • Build custom HYROX workouts
  • Track live sessions on Apple Watch
  • Heart rate and zone monitoring
  • Detailed post-session reports
  • Supports various workout formats
Features
Read full description

HyRhythm is the ultimate workout tracker designed for HYROX training. Plan your workouts on iPhone, track them on Apple Watch, and review your performance with detailed heart rate and zone analysis. Key Features • Build daily HYROX workouts (Run, SkiErg, Row, Sled, Burpee, Wall Ball and more) • Track live sessions on Apple Watch with current & next workout view • Heart rate & zone monitoring to optimize training intensity • Post-session reports with heart rate zones & time by segment • Supports AMRAP, EMOM, For Time, and Interval workouts (auto-detection coming soon) Why HyRhythm? Unlike generic running or cycling apps, HyRhythm is built for the unique HYROX format — helping you identify where your pace drops and how you compare to competition averages. Free in 2025 Enjoy all features free throughout 2025. Subscription plans will be available from 2026.

About

Grammo

Features
Read full description

Protein first. Everything else follows. Grammo is the nutrition tracker built for people who train: one ring shows your protein today – scan, log, hit your goal. No clutter, no diet sermons. LOGGED IN SECONDS • Barcode scanner with millions of products (Open Food Facts) • Search, custom foods, quick add and saved meals • One tap logs the default portion – done YOUR DAY AT A GLANCE • Protein ring plus calories, carbs and fat • Backfill past days, swipe entries to edit or delete • A streak that keeps you honest ON YOUR LOCK SCREEN AND HOME SCREEN • Protein and calorie widgets – with midnight reset • Live Activity with rings in the Dynamic Island • Smart reminder: "62 g protein left today" – only when you need it GRAMMO PRO (subscription or lifetime) • Your true expenditure: computed from your logs and weight trend – not a formula guess • Projection: when you'll reach your target weight, right in the chart • Weekly report card – plus monthly and quarterly reports • Full history, calendar heatmap, protein by meal, consistency insights • Goals that re-tune themselves as your weight changes • Unlimited custom foods and meals, CSV export PRIVACY Your data lives in the EU (Frankfurt). No ads, no tracking, no selling your data. Delete your account and all data in-app, anytime. All values are estimates, not medical advice. SUBSCRIPTION DISCLAIMER Grammo Pro is available as an auto-renewable subscription (monthly/yearly) or a one-time lifetime purchase. A subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Billing goes through your Apple account; manage or cancel anytime in your App Store settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://grammo.app/privacy

Screenshots

HyRhythm4 screens
Grammo4 screens

Verdict

The call

The clearest difference is in-app purchases: HyRhythm at none against Grammo's 3. HyRhythm also leads on device support (3 vs 1). Grammo's advantage is ads (none vs shown) and iOS requirement (16.4 vs 26.0). On price 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. Grammo sells 3 in-app purchases, starting at $2.99 per month. HyRhythm asks for nothing beyond the download.

Scorecard4 real differences · 6 level
HyRhythm versus Grammo: the parameters behind the verdict, then further details
ParameterHyRhythmGrammo
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 2 weeks—
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS26.016.4 — better
Further details — not scored
Size47 MB68 MB
Age rating4+17+
DeveloperQ Commerce LabJan-Luca Sader

In-app purchases

None

HyRhythm

No in-app purchases

3 purchases

Grammo

Subscriptions2
  • Pro Monthly$2.991 Month
  • Pro Yearly7 Days trial$22.991 Year
One-time1
  • Pro Lifetime$59.99

Questions

Is HyRhythm free?
HyRhythm is free to download, with no in-app purchases.
Is Grammo free?
Grammo is free to download, with in-app purchases available.
Do HyRhythm or Grammo have ads?
HyRhythm shows ads; Grammo does not.

Other comparisons