KruBoss Boxing Timer vs RoundFlow HIIT & Boxing Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KruBoss Boxing Timer
This interval timer mimics the functionality of a real gym clock, offering a straightforward and ad-free experience for martial arts training. Its intuitive design ensures immediate usability for anyone familiar with gym environments.
- Real gym clock interface
- Ad-free experience
- Intuitive for martial artists
- Straightforward functionality
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KruBoss Boxing Timer the real deal, what you would find hanging on the wall of a real gym. Straight to the chase, no ads, free! If you've ever trained in martial arts, you already know how to use it.
RoundFlow HIIT & Boxing Timer
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RoundFlow — interval timer for HIIT, Tabata and Shadow Boxing. BUILD YOUR OWN WORKOUT • Multiple exercises per session, each with custom sets, work/rest time, rest between sets and after each exercise. • Prepare countdown before every set. • Replace "Rest" with your own cue text (e.g. "Breathe", "Stretch"). • Ready-made presets like Tabata, HIIT 20/10, updated regularly. SHADOW BOXING — NEW • Build your own combos (punches, kicks, knees, elbows, defense) across Boxing / Kickboxing / Muay Thai. • Combos are called out by voice live during your workout — numbers or move names, your choice. • Callout pacing automatically adapts to combo length. VOICE & AUDIO COACHING • Spoken exercise names, 5-second countdown beeps, bell on phase change. • Full bilingual support: Vietnamese / English. TRAIN WITHOUT INTERRUPTION • Screen lock to prevent accidental taps mid-workout. • Keeps your screen awake for the whole session. TRACK YOUR PROGRESS • Workout history log. • Custom success message when you finish. LOOK & FEEL • Light / Dark / System theme. • English & Vietnamese UI. Train smart. Flow every round.
Screenshots
Verdict
The clearest difference is ads: KruBoss Boxing Timer at none against RoundFlow HIIT & Boxing Timer's shown. RoundFlow HIIT & Boxing Timer's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KruBoss Boxing Timer ships an update every 3 months, RoundFlow HIIT & Boxing Timer every 4 months. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.
| Parameter | KruBoss Boxing Timer | RoundFlow HIIT & Boxing Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (23 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Globules Interactive Limited | Huy Pham |
In-app purchases
KruBoss Boxing Timer
No in-app purchases
RoundFlow HIIT & Boxing Timer
No in-app purchases
Questions
Is KruBoss Boxing Timer free?
Is RoundFlow HIIT & Boxing Timer free?
Do KruBoss Boxing Timer or RoundFlow HIIT & Boxing Timer have ads?
Which is updated more often, KruBoss Boxing Timer or RoundFlow HIIT & Boxing Timer?
Other comparisons
