Comparison

Esper+ vs KalAssist

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

Head to head
About

Esper+

This app facilitates the setup and control of a bionic prosthetic hand. It allows users to connect to their device, utilize pre-defined grips, and create custom ones. Users can also adjust control settings, sensor sensitivity, and monitor battery status.

Highlights
  • Connect to Esper Hand
  • Use pre-defined grips
  • Create custom grips
  • Customize grip order
  • Adjust control settings
  • Adjust sensor sensitivity
  • Track battery status
Features
Read full description

What is Esper Hand? The prosthetic hand featured on TIME Magazine’s cover as TOP 200 Best Products of 2022. A Reddot “Best of the Best” winner of 2022. Light, anatomical, reliable, multi-articulated bionic hand for your everyday routine. Please welcome a renewed app for easy setup, control and adoption of your Esper Hand. With the Esper+ app, you can: • Connect to your Esper Hand, • Use pre-defined grips created for your everyday use, • Or add up to 10 own grips for your specific needs, • Create, customize, personalize and change the order of your grips, • Chose the control settings presets that suit your needs and abilities best, • Easily adjust the sensitivity of sensors, • Track the Hand’s battery status, • Get support from within the app.

About

KalAssist

Features
Read full description

KalAssist® - Enhancing the User Experience for KalArm®! KalAssist® by Makers Hive is a mobile application that acts as a visual bridge between KalArm® and its users, enhancing the user experience of KalArm®. Explore many elements of KalArm® such as health status monitoring, over-the-air firmware updates, visualization of your EMG data, battery level notification, creation of custom grips, testing grip accuracy, and complaint raising in the event of any issues with the Hand. Customize Your Own Grip Patterns Create your own CUSTOM GRIPS that are tailored to your own lifestyle, in addition to the 18 pre-defined grips in the Hand. Upload the grips to the cloud and access them whenever you want. Test Accuracy of Your Grips To evaluate the correct functioning of your device, test the accuracy of your grips. Get Direct Visuals of Your EMG Signals Real-time graphs allow you to assess the strength of your EMG signals. Check Your Device Health Check to see if your device's battery, motors, and EMG sensors are operating effectively. Firmware Updates Over-the-Air Firmware Updates made available on the KalAssist® Application on a regular basis allows you to update your device without the hassle of going to a repair shop. View Latest Tutorials of KalArm® Check out the latest KalArm® Bionic Hand Usage Tutorials. Amputees who have KalArm® can use the KalAssist® App. It is also offered for usage for Clinicians, Counselors, and Makers Hive Product Support Executives in addition to the Amputees.

Screenshots

Esper+4 screens
KalAssist4 screens

Verdict

The call

The clearest difference is update cadence: Esper+ at every 3 weeks against KalAssist's every 2 months. KalAssist's advantage is iOS requirement (14.0 vs 18.0). On price, ads, 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.

UpkeepUpdate frequency

Esper+ ships an update every 3 weeks, KalAssist every 2 months. The most recent releases landed on October 11, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 8 level
Esper+ versus KalAssist: the parameters behind the verdict, then further details
ParameterEsper+KalAssist
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.014.0 — better
Further details — not scored
Size216 MB44 MB
Age rating4+4+
DeveloperESPER INCMakers Hive Innovations Private Limited

In-app purchases

None

Esper+

No in-app purchases

None

KalAssist

No in-app purchases

Questions

Is Esper+ free?
Esper+ is free to download, with no in-app purchases.
Is KalAssist free?
KalAssist is free to download, with no in-app purchases.
Do Esper+ or KalAssist have ads?
Neither Esper+ nor KalAssist shows ads.
Which is updated more often, Esper+ or KalAssist?
Esper+ ships an update every 3 weeks, and KalAssist every 2 months. Most recently, Esper+ was updated on October 11, 2026 and KalAssist on October 19, 2026.

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