Comparison

DING vs RX

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

Head to head
About

DING

Features
Read full description

DING is the round timer built for fighters — not a generic gym clock. Set your rounds, hit start, and train. DING rings a real boxing bell at the start and end of every round, counts your rest, and keeps going even when your screen is locked or your phone is on silent. No more glancing at a frozen timer mid-combo. BUILT FOR YOUR SPORT • Boxing, MMA, BJJ, Muay Thai, Kickboxing • HIIT, Tabata & circuit conditioning • Fully custom rounds, rest, warm-up & warnings NEVER MISS A BELL • Bell fires even with the screen off or phone locked • Works in silent mode • Lock-screen shows your current round • Haptic cues you can feel through the gloves TRAIN HANDS-FREE • Voice coaching calls your rounds and rest • Big, glove-friendly controls • Keep-awake mode so the timer never sleeps mid-session DIAL IN EVERY DETAIL • Set round length, rest length, number of rounds and warm-up • Get a warning beep before the bell so you can finish strong • Sport presets to start in one tap, or build your own Whether you're working the heavy bag, drilling on the mat, running pad rounds, or grinding a HIIT circuit — DING keeps time so you can keep moving. Lace up. Hit start. DING. privacy policy:https://speedaiapps.com/ding/privacy Terms of Use: apple.com/legal/internet-services/itunes/dev/stdeula/

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

DING4 screens
RX4 screens

Verdict

The call

The clearest difference is in-app purchases: RX at none against DING's 3. DING's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DING sells 3 in-app purchases, starting at $4.99 per 7 days. RX asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 28, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
DING versus RX: the parameters behind the verdict, then further details
ParameterDINGRX
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size45 MB4 MB
Age rating17+4+
DeveloperSpeed AI LabsDaniel Thrnaholm

In-app purchases

3 purchases

DING

Subscriptions2
  • DING Boxing3 Days trial$4.997 Days
  • DING Boxing$29.991 Year
One-time1
  • DING Boxing$39.99
None

RX

No in-app purchases

Questions

Is DING free?
DING is free to download, with in-app purchases available.
Is RX free?
RX is free to download, with no in-app purchases.
Do DING or RX have ads?
Neither DING nor RX shows ads.
Which is updated more often, DING or RX?
DING ships an update every 3 weeks, and RX every 3 weeks. Most recently, DING was updated on October 28, 2026 and RX on October 11, 2026.

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