Comparison

Easy Motion Skin vs LaChart

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

Head to head
About

Easy Motion Skin

Control your EMS training system with this app. Access various programs for strength, endurance, power, and relaxation. Track your scores and achieve training goals.

Highlights
  • EMS training control
  • Strength training programs
  • Endurance training programs
  • Power training programs
  • Relaxation training programs
  • Score tracking
  • Goal achievement
Features
Read full description

The EMS suit is controlled with the Easy Motion Skin Home App. The EMS app has training programs that can be carried out with the Easy Motion Skin System. In the 7 Hertz frequency range, strength training is offered, in the 40 Hertz endurance training range, in the 85 Hertz power training range and with 100 Hertz relaxation training. The athlete is shown his scores and can achieve goals. The Easy Motion Skin System is required.

About

LaChart

Features
Read full description

LaChart is a professional lactate testing and athlete performance tracking app designed for coaches and endurance athletes. LACTATE TESTING • Conduct step tests and record blood lactate values in real time • Connect Bluetooth heart rate monitors for live HR tracking • Automatic lactate curve calculation with LT1 and LT2 threshold detection • Manual threshold override for custom coaching adjustments TRAINING ZONES • Automatic zone calculation based on lactate thresholds • Support for cycling (power/watts), running (pace) and swimming • Metric and imperial unit support ATHLETE MANAGEMENT • Manage multiple athletes from a single coach account • Track progress across multiple tests over time • Compare test results and monitor fitness development REPORTS & SHARING • Generate professional PDF reports for each test • Send reports directly to athletes via email • Visual lactate curve charts included in every report DESIGNED FOR PROFESSIONALS LaChart is built for sports scientists, coaches and serious athletes who need accurate, data-driven insights to optimize training load and performance. SUBSCRIPTION LaChart Athlete and LaChart Coach are auto-renewable monthly subscriptions, each starting with a 14-day free trial. The price in your local currency is shown in the app before you confirm. Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel it any time in your Apple ID account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lachart.net/privacy

Screenshots

Easy Motion Skin1 screens
LaChart4 screens

Verdict

The call

The clearest difference is in-app purchases: Easy Motion Skin at none against LaChart's 1. Easy Motion Skin also leads on iOS requirement (11.0 vs 15.0). LaChart's advantage is update cadence (every 10 days vs every 2 months). On price, ads 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. LaChart sells 1 in-app purchase, starting at $6.99 per month. Easy Motion Skin asks for nothing beyond the download.

UpkeepUpdate frequency

Easy Motion Skin ships an update every 2 months, LaChart every 10 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Easy Motion Skin versus LaChart: the parameters behind the verdict, then further details
ParameterEasy Motion SkinLaChart
PriceFreeFree
Rating3.3 (6 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size50 MB95 MB
Age rating17+4+
DeveloperEMS GmbHJakub Stadnik

In-app purchases

None

Easy Motion Skin

No in-app purchases

1 purchases

LaChart

Subscriptions1
  • LaChart Athlete14 Days trial$6.991 Month

Questions

Is Easy Motion Skin free?
Easy Motion Skin is free to download, with no in-app purchases.
Is LaChart free?
LaChart is free to download, with in-app purchases available.
Do Easy Motion Skin or LaChart have ads?
Neither Easy Motion Skin nor LaChart shows ads.
Which is updated more often, Easy Motion Skin or LaChart?
Easy Motion Skin ships an update every 2 months, and LaChart every 10 days. Most recently, Easy Motion Skin was updated on November 2, 2026 and LaChart on October 31, 2026.

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