Comparison

Tonal vs Eros Scale

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

Head to head
About

Tonal

This app provides a smart home gym experience with digital weight that adapts to your workouts. Access programs, track progress, and enjoy a variety of on-the-go exercises led by expert coaches. Connect with a community for motivation.

Highlights
  • Adaptive digital weight
  • Expert coach-led workouts
  • Personalized fitness programs
  • Progress tracking by muscle group
  • On-the-go workout library
  • Custom workout creation
  • Community motivation features
Features
Read full description

With the Tonal mobile app you can be your strongest—from home, on your own schedule. Tonal is the smartest home gym and personal trainer. Unlike traditional dumbbells, barbells, and exercise equipment Tonal uses advanced digital weight that continually adapts workouts so they’re most effective for you—all led by our expert coaches. Loved by beginners, exercise enthusiasts, and professional athletes alike, Tonal is reimagining the landscape of at-home fitness. Get stronger, faster with the Tonal app - Join a program: No matter where you are in your fitness journey, Tonal has individual workouts and multi-week programs to help you reach your goals. - Track your progress: See your strength grow. Tonal’s A.I. keeps track of your workouts, measuring your progress and breaking it down by muscle group and workout type. - Work out on-the-go: From high-intensity, to restorative yoga flows, Tonal has hundreds of workouts for you to try. Filter by focus, trainer, or time. - Create your own workout: Work out your way with Custom Workouts. Choose your favorite movements, reps, sets, and advanced weight modes, like Burnout and Eccentric to maximize your results, then save for later. - Get stronger, together: Connect with friends and stay motivated to get stronger while cheering on other members in the Tonal community. Tonal uses HealthKit to export your Tonal workouts into the Health app and to sync your weight and height.

About

Eros Scale

Connect your smart body fat scale to your smartphone to automatically track multiple users' health metrics. Monitor weight, body fat, muscle mass, and more with historical charts for easy progress viewing.

Highlights
  • Automatic smart scale connection
  • Unlimited user tracking
  • Comprehensive body composition metrics
  • Historical progress charts
  • Apple Health Kit integration
Features
Read full description

Getting and staying fit has never been easier! The New Eros Scale APP allows you to automatically connect your Eros Smart Body Fat Scale with your preferred smartphone. Now you can track an unlimited number of users to monitor the health of you and your family from one convenient place. The best part is that Eros Smart Body Fat Scale will provide you with all the important body composition metrics, such as; body weight, body fat, body water, muscle mass, body mass index, basal metabolic rate, visceral fat, metabolic age, skeletal muscle, protein, fat-free body weight, and even subcutaneous fat so that you know exactly how you are doing in your fitness progress. Then easily see your historical charts at the click of a button… It is that simple! Begin living a healthier life today. Thank you for choosing Eros. *Supporting Apple Health Kit (only for iPhones with iOS8 or new version). Data includes Lean Body Mass, Height, Body Mass Index, Body Fat Percentage, Weight, Birthday and Gender will be automatically synchronized to Apple Health Kit.

Screenshots

Tonal4 screens
Eros Scale4 screens

Verdict

The call

The clearest difference is review sentiment: Tonal at 71% against Eros Scale's 25%. Tonal also leads on rating (4.9 vs 3.1) and ads (none vs shown). Eros Scale's advantage is monetization model (ad-supported vs free with in-app purchases) and iOS requirement (12.0 vs 17.0). On price, 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

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

Tonal holds the better App Store score, 4.9 against 3.1. That said, the two scores are not equally well evidenced: Tonal has 11K ratings behind it against 47, so its average is the more settled of the two. Written reviews point the same way: 71% of Tonal's written reviews are positive against 25% of Eros Scale's.

UpkeepUpdate frequency

Tonal ships an update every 3 weeks, Eros Scale every 4 months. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

Scorecard7 real differences · 3 level
Tonal versus Eros Scale: the parameters behind the verdict, then further details
ParameterTonalEros Scale
PriceFreeFree
Rating4.9 (11K ratings) — better3.1 (47 ratings)
Positive reviews70.9% of reviews — better25.0% of reviews
Number of ratings11K — better47
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size187 MB40 MB
Age rating4+4+
DeveloperTonal Systems, Inc.INEVIFIT LLC

Customer experience

Tonal

All ratings10,833 ratings
Positive97.8%
Neutral0.8%
Negative1.4%
Written reviews175 reviews
Positive70.9%
Neutral10.3%
Negative18.9%

Eros Scale

All ratings38 ratings
Positive42.1%
Neutral13.2%
Negative44.7%
Written reviews24 reviews
Positive25.0%
Neutral20.8%
Negative54.2%

Bugs and requests

Tonal

Reported bugs

3 issues
  • Membership activation and login issues
  • Inconsistent performance and app crashes
  • Syncing problems with Apple Health and other devices

Requested features

5 requests
  • Calendar function to plan workouts
  • Ability to track and filter custom workouts
  • Customizable movement options and exercise libraries
  • Injury/condition-specific workout recommendations
  • Ability to use without subscription or disable features

Eros Scale

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Tonal

No in-app purchases

None

Eros Scale

No in-app purchases

Questions

Is Tonal free?
Tonal is free to download, with no in-app purchases.
Is Eros Scale free?
Eros Scale is free to download, with no in-app purchases.
Which has better reviews, Tonal or Eros Scale?
Tonal is rated higher. Tonal averages 4.9 out of 5 from 11K ratings, while Eros Scale averages 3.1 from 47 ratings.
Do Tonal or Eros Scale have ads?
Eros Scale shows ads; Tonal does not.
Which is updated more often, Tonal or Eros Scale?
Tonal ships an update every 3 weeks, and Eros Scale every 4 months. Most recently, Tonal was updated on October 29, 2026 and Eros Scale on October 23, 2026.

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