Comparison

Strainup vs Hydrium

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

Head to head
About

Strainup

Features
Read full description

Strainup is the training app that adapts to you — not the other way around. Create your own exercises, your own workouts and share your training routines. WHY STRAINUP? 100% CUSTOMIZABLE Custom sets, reps, weight, time, distance or free notes — you create your own exercises tailored to your training. UNIVERSAL TRACKING Forget generic gym apps. Strainup adapts to ALL sports. Create custom exercises for your calisthenics skills, cardio or flexibility work. FOCUS ON THE EFFORT A clean, efficiency-first interface. Log your workout in a few taps and get back to the bar. SHARE IN ONE LINK Share any exercise or routine with a friend, coach or community via a simple link. They import it in one tap. APPLE INTEGRATION • Live Activities: Follow your session from the lock screen — rest timer and current set without unlocking your iPhone. • Apple Watch: Validate your sets, track your reps and control your workout from your wrist. • Widgets: Today's workout on your home screen — no need to open the app to remember your session. KEY FEATURES • Automatic rest timer with background tracking • Reorder exercises during your session • Detailed history of your sessions and progress GREAT FOR • Calisthenics & Street Workout • CrossFit & Functional Fitness • Weightlifting & Strength Training • Running & Cardio • Yoga & Mobility SUPPORT & FEEDBACK Have a feature idea? Don't hesitate to suggest it — we build Strainup thanks to your feedback. Email: app@strainup.fr Privacy: https://www.strainup.fr/privacy Terms: https://www.strainup.fr/terms Download Strainup and take control of your progress.

About

Hydrium

Features
Read full description

Hydrium helps you drink enough water every day, without having to think about it. During setup, Hydrium calculates your daily goal from your weight, activity level and climate, with adjustments for pregnancy, breastfeeding, workouts and hot weather. SIMPLE TRACKING • Log a drink in one tap: glass, mug, flask, bottle or a free amount • 4 animated visuals to watch your progress: bottle, silhouette, plant, ring • Drink type (water, tea, coffee, juice, soda...) is factored into your real hydration SMART REMINDERS • Reminders at a regular interval or at fixed times • Adaptive reminders: Hydrium automatically spaces out the reminders left in your day based on the time and how much you still need to drink • Automatic snooze after a large drink, reminders pause once you reach your goal HISTORY AND MOTIVATION • 7-day, 30-day, 12-month and all-time history • Charts and a breakdown by beverage • 12 badges to unlock, day streaks APPLE WATCH AND HEALTH • Full companion app for Apple Watch, synced with your iPhone in real time • Watch face complication: progress ring and volume in ml (circular, corner, rectangular and inline) • Your drinks are written to the Health app automatically • Reads your weight and workouts to refine your goal AUTOMATIC ICLOUD BACKUP • Optional, turned on in Settings › Data: a daily copy of your data in your iCloud Drive (Hydrium folder in the Files app), the 7 latest are kept • Restore from iCloud in a few taps, after a reinstall or on a new iPhone • Your data stays in your own iCloud account: Hydrium has no server • Manual backup and restore (JSON file) are still available 14-DAY FREE TRIAL • Try every Hydrium Plus feature free for 14 days, no subscription • When the trial ends, the app returns to the free version: your data is kept, and the containers, beverages and styles created during the trial stay hidden until you buy Hydrium Plus HYDRIUM PLUS (one-time purchase, no subscription) • Unlimited history (30 days, 12 months, all-time) • Unlimited custom containers and beverages • All 4 visual styles • Smart and adaptive reminders • Themed sounds • CSV export Available in English, French, Italian and Spanish. Units: milliliters, liters or ounces. Hydrium offers a comfort estimate to help you stay hydrated day to day; it does not replace medical advice.

Screenshots

Strainup4 screens
Hydrium4 screens

Verdict

The call

The clearest difference is update cadence: Hydrium at every 4 days against Strainup's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Strainup sells 2 in-app purchases, starting at $2.99 per month and Hydrium sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Strainup ships an update every 2 weeks, Hydrium every 4 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Strainup versus Hydrium: the parameters behind the verdict, then further details
ParameterStrainupHydrium
PriceFreeFree
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS18.017.0 — better
Further details — not scored
Size15 MB9 MB
Age rating4+4+
DeveloperVictor SimonChristophe Fromage

In-app purchases

2 purchases

Strainup

Subscriptions2
  • Strainup Premium7 Days trial$2.991 Month
  • Strainup Premium7 Days trial$19.991 Year
2 purchases

Hydrium

One-time2
  • 14-day TrialFree
  • Hydrium Plus$2.99

Questions

Is Strainup free?
Strainup is free to download, with in-app purchases available.
Is Hydrium free?
Hydrium is free to download, with in-app purchases available.
Do Strainup or Hydrium have ads?
Neither Strainup nor Hydrium shows ads.
Which is updated more often, Strainup or Hydrium?
Strainup ships an update every 2 weeks, and Hydrium every 4 days. Most recently, Strainup was updated on October 28, 2026 and Hydrium on October 31, 2026.

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