Exercise Timer Resero vs ZenFlow
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Exercise Timer Resero
Read full descriptionHide full description
The only Exercise Timer you need. Resero is a premium interval timer built for athletes, coaches, and anyone serious about their fitness. RE-SE-RO stands for REps, SEts, and ROunds. Whether you want to build complex custom workouts from scratch or jump straight into pre-built routines, Resero adapts to your exact training style. What Makes Resero Different NEW! Premade Workout Library: Skip the setup and dive straight into training. Pick from professionally structured routines across Tabata, EMOM, HIIT, and combat sports or customize any library workout to fit your exact goals. NEW! Apple Watch Companion App: Complete wrist control. Start, stop, and skip intervals hands-free without touching your phone. Monitor real-time heart rate and active calories while contributing directly to your Apple Activity Rings and Apple Fitness details. Fully Customizable: Stop trying to force your routine into a rigid, basic timer app. Build your workout from scratch and customize every single interval, rep, set, and rest period exactly how you train. Smart Audio Cues: Never miss a transition or drown out your music. Resero automatically dims your audio background during cues, then seamlessly restores the volume. Fully Customizable: Build every interval, rep, set, and rest period with total precision. Runs in the Background: Change your music track or answer a text without interrupting your timer or audio cues. 100% Ad-Free: Zero video pop-ups, zero banner clutter, and zero mid-circuit interruptions. Automatic History Log: Completed sessions are saved automatically to your in-app calendar and synced with Apple Fitness to track your long-term consistency. Clean, High-Visibility Interface: Modern, ergonomic design featuring massive buttons built for effortless tapping while mid-workout and dripping with sweat. Built for Every Discipline: - HIIT & Tabata: Fine-tune high-intensity work-to-rest ratios. - Boxing & MMA: Set custom round lengths, rest periods, and warning bells. - Weightlifting & Calisthenics: Track precise lift sets and recover with exact rest countdowns. - EMOM & Circuit Training: Streamlined for solo gym sessions or leading full group fitness classes. How it works: 1) Choose or Build: Grab a ready-to-go routine from the workout library or build your own from scratch. 2) Train & Sync: Go hands-free on your iPhone or Apple Watch while tracking heart rate and calorie burns. 3) Track: Review your calendar history, close your activity rings, and build lasting consistency. Ditch the outdated timers. Download Resero today and give your workout the precision it deserves. --- Terms of Service: https://www.reseroapp.com/en/terms-of-service/ Privacy Policy: https://www.reseroapp.com/en/privacy-policy/ Legal Notice: https://www.reseroapp.com/en/legal-notice/
ZenFlow
Read full descriptionHide full description
zenflow is a meditation timer for people who already sit. set a length. sit. one bell at the end. no course, no voice, nothing that nags β just the room to practice. β what zenflow is β a quiet instrument, not a program. you set the length; zenflow keeps the time and closes the sit with a single Tibetan singing bowl. a soft bell opens, one closes β and silence, or a gentle sound, in between. β for experienced meditators β made for zazen, vipassana and shamatha. no guidance, no lessons, no levels. if you already know how to sit, zenflow is the tool that stays out of your way. β what's inside β β’ a timer with a soft opening bell and one closing bell (Tibetan bowl) β’ 9 ambient sounds: rain, ocean, forest, fireplace, wind, birds, thunder, white noise, creek β or silence β’ breathing: 4-7-8 and box, with a calm animation β’ a quiet record of your sits with gentle stats and a soft streak β’ dark mode, 7 languages, ensΕ and washi-paper design β honest about money β free: a short preset timer, two sounds (rain + silence), 4-7-8 breath, and your record. premium (optional): 20- and 30-minute timers, all 9 sounds, box breathing, and a daily goal. monthly or yearly, cancel anytime. β what zenflow does not do β no ads. no guided courses, no voice-overs. no minute-by-minute interruptions. no guilt when you skip a day. β privacy, honestly β your record lives in your own private account on servers in the EU. nothing is sold or shared with advertisers. for stability we collect only anonymous crash and usage diagnostics. sit whenever you like. zenflow waits quietly. β terms β terms of use (EULA): https://www.zenflow.day/terms privacy policy: https://www.zenflow.day/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Exercise Timer Resero at none against ZenFlow's 2. ZenFlow's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. ZenFlow sells 2 in-app purchases, starting at $3.99 per month. Exercise Timer Resero asks for nothing beyond the download.
Exercise Timer Resero ships an update every 3 weeks, ZenFlow every 2 weeks. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.
| Parameter | Exercise Timer Resero | ZenFlow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 2 weeks β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 112 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Imarum GmbH | DJUMP, MB |
In-app purchases
Exercise Timer Resero
No in-app purchases
ZenFlow
- ZenFlow Premium Monthly$3.991 Month
- ZenFlow Premium Yearly$23.991 Year









