Comparison

FeelWatch vs RX

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

Head to head
About

FeelWatch

This app analyzes health data from your Apple Watch and iPhone to provide insights into stress, sleep, and an estimated body age. It offers customizable watch faces and integrates with HealthKit for comprehensive health tracking.

Highlights
  • HRV and stress tracking
  • Sleep insights and analysis
  • Estimated body age
  • HealthKit integration
  • Customizable Apple Watch faces
  • Habit logging
Features
Read full description

Thank you for reviewing FeelWatch. [Test account] No login is required for core features. Purchasing or restoring membership prompts Sign in with Apple so the receipt can be synced to the user’s server account. [HealthKit] We read HRV, heart rate, resting HR, sleep, steps, workouts, environmental audio, SpO₂, respiratory rate, body temperature, body fat %, VO₂ max, and time in daylight (iOS 17+) to show stress status, sleep insights, and an estimated “body age.” We write dietary water and caffeine when the user logs habits. Grant access via onboarding or Settings → Health authorization, then sync from the Today tab. If HealthKit is denied, demo-data banners are shown; we do not present sample data as real Health records. [Body age] Lifestyle estimation only, not a medical device. Users can set chronological age in Settings → Body age profile. [Apple Watch] Companion app shows HRV/habits and watch face guidance. Watch faces: Today → Add watch face → Import from Files (.watchface exported from the Watch app) if bundled placeholders are used, or add FeelWatch complications (HRV / Steps / Sleep) when editing a watch face. [In-App Purchase] com.feelwatch.pro.monthly (monthly subscription), com.feelwatch.pro.yearly (yearly subscription), com.feelwatch.pro.lifetime (non-consumable). Sandbox: Paywall → Sign in with Apple → Purchase / Restore. Privacy Policy: http://h5.huaiyuanguanjia.com/openapi/privacy/1775738159/1 Terms of Use (EULA): http://h5.huaiyuanguanjia.com/openapi/privacy/1775738159/3

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

FeelWatch4 screens
RX4 screens

Verdict

The call

The clearest difference is in-app purchases: RX at none against FeelWatch's 4. RX also leads on ads (none vs shown). FeelWatch's advantage is device support (3 vs 1). 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. FeelWatch sells 4 in-app purchases, starting at $1.99 per month. RX asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for FeelWatch 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.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 6 level
FeelWatch versus RX: the parameters behind the verdict, then further details
ParameterFeelWatchRX
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings11
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size64 MB4 MB
Age rating12+4+
DeveloperHappygirl SoftWare LLCDaniel Thrnaholm

Customer experience

FeelWatch

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

4 purchases

FeelWatch

Subscriptions3
  • FeelWatch Pro Monthly$1.991 Month
  • 按季订阅$5.993 Months
  • FeelWatch Pro Yearly$14.991 Year
One-time1
  • FeelWatch Pro Lifetime$20.99
None

RX

No in-app purchases

Questions

Is FeelWatch free?
FeelWatch is free to download, with in-app purchases available.
Is RX free?
RX is free to download, with no in-app purchases.
Which has better reviews, FeelWatch or RX?
FeelWatch and RX are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do FeelWatch or RX have ads?
FeelWatch shows ads; RX does not.
Which is updated more often, FeelWatch or RX?
FeelWatch ships an update every 3 weeks, and RX every 3 weeks. Most recently, FeelWatch was updated on October 6, 2026 and RX on October 11, 2026.

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