Comparison

Round Timer vs RX

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

Head to head
About

Round Timer

This interval training assistant helps you stay focused during workouts like boxing, HIIT, and Tabata. Customize rounds, rest periods, and warm-ups with sound alerts for smooth transitions. Save your favorite presets for quick setup.

Highlights
  • Customizable round timer
  • Flexible interval settings
  • Sound alerts for transitions
  • Save favorite workout presets
  • Clean, intuitive interface
Features
Read full description

Round Timer – Interval Workout Assistant Boost your training with Round Timer – the ultimate app for interval workouts. Whether you're boxing, doing HIIT, Tabata, CrossFit, or cardio, this round timer helps you stay focused and in control. Key Features: - Customizable round timer for boxing, MMA, and martial arts - Flexible interval workout settings: rounds, rest, warm-up - Sound alerts for seamless transitions - Save your favorite workout presets - Clean, intuitive interface for fast setup Perfect for: - Boxing, kickboxing, Muay Thai - HIIT, Tabata, CrossFit, circuit training - Meditation, Pomodoro focus sessions Take your interval workouts to the next level with Round Timer. Download now and train smarter!

About

RX

This app provides a versatile workout timer designed for functional fitness. It supports various training formats like AMRAP, EMOM, and Tabata with customizable durations and clear visual cues. The app offers offline functionality, a high-contrast display, and the ability to stream to external screens.

Highlights
  • Multiple workout formats (AMRAP, EMOM, Tabata, RFT)
  • Customizable work/rest intervals
  • Large, high-contrast display
  • Landscape full-screen mode
  • Work/rest color coding
  • Stream timer to TV via AirPlay
  • Offline functionality
Features
Read full description

A WOD timer in your pocket, always ready when you are. No hunting for the gym clock. No dead remote batteries. No digging through menus before a workout. RX-Timer is built for one job: start training fast, see the clock clearly, and stay focused on the work. 100% free. No account. No ads. No subscription. Just a timer that does everything you need, without getting in the way. Every workout format • Count up for AMRAP and For Time • Count down for timed efforts, with optional pre-start countdown (3, 2, 1) • Intervals with work/rest rounds for EMOM, Tabata, RFT, and chipper-style sessions • Adjust any duration down to the second. Built for the gym • Huge digits you can read from across the room. • High contrast display • Landscape full-screen mode. Tap to start, pause, or resume • Work/rest colour coding. Red and green cues like the clock at your box • Clear beeps and haptics at starts, transitions, and finish • Sound works alongside your music Stream to a TV • Mirror the timer to AirPlay displays. • Perfect when your phone is propped up or you want the whole gym to see the clock. Track your training • See how many timers you have completed and view your activity on a heat map. • Built in, on your device, with no login. Zero friction • Works offline • No sign-up required • All settings and stats stay on your phone • Sound can be turned off anytime Whether you are hitting a WOD at the box, training in the garage, or travelling without a gym clock, RX-Timer is the timer you will actually want to open every session. RX-Timer is a workout timer for functional fitness. It is not a medical device, medication reminder, or prescription app.

Screenshots

Round Timer4 screens
RX4 screens

Verdict

The call

The clearest difference is device support: Round Timer at 3 against RX's 1. Round Timer also leads on iOS requirement (15.0 vs 17.0). On price, rating, review sentiment and ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Round Timer against 5.0 for RX. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Scorecard2 real differences · 8 level
Round Timer versus RX: the parameters behind the verdict, then further details
ParameterRound TimerRX
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings11
Update frequency—Every 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size89 MB4 MB
Age rating4+4+
DeveloperAliaksei ApiakunDaniel Thrnaholm

Customer experience

Round Timer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

RX

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Round Timer

No in-app purchases

None

RX

No in-app purchases

Questions

Is Round Timer free?
Round Timer is free to download, with no in-app purchases.
Is RX free?
RX is free to download, with no in-app purchases.
Which has better reviews, Round Timer or RX?
Round Timer and RX are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Round Timer or RX have ads?
Neither Round Timer nor RX shows ads.

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