WOTools vs HIIT Timer Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WOTools
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WOTools includes some useful tools that will help you while working out: - A timer: simple, easy to use, notifies you when a selected duration is over. - A chronometer: so simple! - A plate calculator: determines which plates to put on each side of a bar given a bar weight. - A reverse calculator: calculates the total weight given a bar weight and a number of plates. - A 1RM calculator (One-rep max): calculates 1RM corresponding to a certain number of reps and a given weight. WOTools is very easy to use and straightforward. Select the timer duration thanks to list of a pre-defined values (that you may customise), or from a wheel. The timer remembers the last duration you selected. Select the sound to be played when the timer is over (25 sounds are available). Modify the bar weight as simply as it is to input the total weight and to calculate which plates to put on each side of a bar, given a set of available plates (that you may customise). 1RM is calculated along with a table of percentages that will be useful for your training program. Choose the algorithm that provides the results that best suit you. Select a picture or a photo of yours to be used as a wallpaper in WOTools. WOTools is compatible with iOS 13 Dark Mode. WOTools works perfectly well without any internet connection.
HIIT Timer Pro
This app provides a precision timer for high-intensity interval training, offering customizable workout parameters and clear visual cues. It supports background playback, haptic feedback, and auto-saves workout history with detailed statistics.
- Customizable work, rest, and round intervals
- Giant countdown screen and progress ring
- Studio-grade sound packs with adjustable volume
- Background playback and optional haptic feedback
- One-tap controls for pause, skip, stop, and mute
- Auto-save workout history and performance stats
- Offline-first design for training anywhere
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THE ULTIMATE HIGH-INTENSITY INTERVAL COMPANION –––––––––––––––––––––––––– HIIT Timer Pro turns your iPhone or iPad into a precision coach for every high-intensity workout—from explosive Tabata sprints to marathon EMOM circuits. No gimmicks, no distractions: just a rock-solid timer engineered for athletes who demand more. –––––––––––––––––––––––––– WHY ATHLETES CHOOSE HIIT TIMER PRO • Seconds-fast setup: choose a quick preset or dial in work (15 s–3 min), rest (5 s–90 s), 1–20 exercises, 1–10 rounds and recovery between rounds. • Giant countdown screen plus circular progress ring, mini bars and total-time ticker keep you locked in at a glance—even mid-burpee. • Three studio-grade sound packs: five-second countdown, dong-plus-ticks during work and victory chime at the end—loud enough to punch through your playlists and fully adjustable. • Background playback that never pauses when you switch apps, film your form or stream coaching videos. • Optional haptic feedback—light for taps, medium for transitions—so you feel every changeover. • One-tap controls: pause, skip, stop or mute on the fly. • Auto-save history with date, config, total duration, completion status and performance percentage. • Beautiful stats dashboard totals sessions, finish rate and lifetime training time in minutes or hours. • Twenty FREE SESSIONS before you even see a paywall—upgrade anytime for unlimited workouts, full history, cloud sync and an ad-free experience. –––––––––––––––––––––––––– BUILT FOR SERIOUS TRAINING • No hidden costs: choose a monthly pass or save with a yearly plan that starts with a 7-day free trial. • Swift-native architecture, 60 fps animations and memory-safe timers for bullet-proof reliability. • Localization ready for 43 languages. • Offline-first design so you can train anywhere—basement, beach or backcountry. –––––––––––––––––––––––––– LEVEL UP YOUR WORKOUT TODAY Whether you’re chasing PRs, cutting weight, boxing rounds, CrossFit WODs, AMRAP challenges, plyometric sets or simple home fitness, HIIT Timer Pro keeps the clock so you can keep the intensity. Download now and feel the difference in your very next session! –––––––––––––––––––––––––– SUBSCRIPTIONS • Hiit Timer Pro – Yearly: US $19.99 per year — free for the first week • Hiit Timer Pro – Monthly: US $2.99 per month –––––––––––––––––––––––––– Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: WOTools at none against HIIT Timer Pro's 2. WOTools also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). HIIT Timer Pro's advantage is update cadence (every 9 days vs every 4 months). On price and ads 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
Both are free to download. HIIT Timer Pro sells 2 in-app purchases, starting at $2.99 per month. WOTools asks for nothing beyond the download.
WOTools ships an update every 4 months, HIIT Timer Pro every 9 days. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.
| Parameter | WOTools | HIIT Timer Pro |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 21 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Robin Confalonieri | Develak |
In-app purchases
WOTools
No in-app purchases
HIIT Timer Pro
- SimplyTask Pro - Monthly$2.991 Month
- Hiit Timer Pro - Yearly7 Days trial$19.991 Year
Questions
Is WOTools free?
Is HIIT Timer Pro free?
Do WOTools or HIIT Timer Pro have ads?
Which is updated more often, WOTools or HIIT Timer Pro?
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