Flow vs Ntrvl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flow
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LOG YOUR WATER INTAKE Track every glass, bottle, or cup with just a tap. Custom drink sizes or quick presets. Never forget to hydrate with smart notifications throughout the day. PERSONALIZED HYDRATION GOAL Set your daily target based on your weight and activity level. Adjust anytime. The app adapts to your needs, not the other way around. WATCH YOUR PROGRESS Build hydration streaks and celebrate consistency. Detailed stats show your weekly intake, best days, and trends over time. Stay motivated with visual progress tracking. APPLE HEALTH & APPLE WATCH Sync water intake to Apple Health automatically. Log drinks straight from your wrist with full Apple Watch support. SMART REMINDERS Never miss a sip. Customizable notifications keep you on track without being annoying. Set your schedule, we'll handle the rest. PRIVACY FIRST All your data stays on your device. Export anytime. No account required. PAY ONCE, YOURS FOREVER No subscriptions, no ads, no in-app purchases. One price, unlimited hydration.
Ntrvl
This interval timer app helps you set up and manage various workout routines like HIIT and Tabata. It provides haptic, audio, and visual cues to keep you focused. Track your workouts on Apple Watch and sync data with Apple Health.
- Customizable intervals
- Built-in workout presets
- Save custom workouts
- Apple Watch companion app
- Apple Health integration
- Haptic, audio, and visual cues
- Background audio support
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Ntrvl is an interval timer for iPhone and Apple Watch. Set up your workout in seconds and go. Haptic feedback, audio cues, and color changes keep you locked in without needing to look at your phone. Whether it's HIIT, circuit training, Tabata, or a simple work/rest routine, Ntrvl handles the timing so you can handle the work. Every workout can be tracked on Apple Watch and automatically saved to Apple Health, including active calories, heart rate, and workout duration. Start fast with built-in presets for Tabata, HIIT, EMOM, and Nordic 4x4 or build your own from scratch. Save up to 10 custom workouts and reorder them however you like so your go-to sessions are always one tap away. - Customizable work and rest intervals - Built-in presets: Tabata, Nordic 4x4, HIIT, EMOM - Save up to 10 custom workouts - Apple Watch companion with full workout controls - Workout tracking with automatic Apple Health sync - Drag-to-set time controls - Haptic, audio, and visual interval cues - Background audio support (keep your music playing) - Clean, glanceable interface
Screenshots
Verdict
The clearest difference is price: Ntrvl at Free against Flow's $3.99. Flow's advantage is iOS requirement (16.2 vs 26.2). On ads, in-app purchases 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
Ntrvl is free to download; Flow costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Flow | Ntrvl |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 16.2 — better | 26.2 |
| Further details — not scored | ||
| Size | 40 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | LOKRIS | BRETT GOWERS RODGERS |
In-app purchases
Flow
No in-app purchases
Ntrvl
No in-app purchases
