Comparison

WASP Util vs GMBooking

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

Head to head
About

WASP Util

This app configures and monitors WASP modules, which bridge ANT+/BLE sensor data to Wi-Fi for iOS devices and web endpoints. It offers real-time graphing, CSV file capture, and system tuning. In-app purchases unlock advanced relay, cloud monitoring, and simulation features.

Highlights
  • WASP module configuration
  • ANT+/BLE sensor monitoring
  • Real-time graphing
  • CSV file capture
  • System tuning
  • Relay BLE data
  • Cloud monitoring
Features
Read full description

THIS APP REQUIRES A SEPARATE HARDWARE PURCHASE FOR THE APP TO FUNCTION. THIS APP USES GPS TO RECORD LOCATION INFORMATION WHILE SAVING SENSOR DATA. The WASP Util app is used to configured WASP modules, monitoring the ANT+/BLE data received by the WASPs on the ANTwork and capturing the ANT/+/BLE data for offline analysis. TThe WASP modules are ANT/BLE Wi-Fi bridge devices. Any data sent by an ANT+/BLE sensor within reception range of a WASP is forwarded to the Wi-Fi network for use in the iOS device. Any number of iOS devices can receive the data at the same tie. In addition, the data can also be sent to a routable endpoint anywhere on the web. The WASP Util App has 4 free area of functionality: WASP Configuration ANT+/BLE Sensor Monitoring (with realitime graphing) CSV File Capture System Tuning Supported BLE Devices: Polar H7 Keiser m3i Suunto BLE monitor iBeacon Eddystone Scosche Rhythm 24 (BLE Advertising) Supported ANT+ profiles: Heart Rate Monitor Bike Power Meter Bike Speed Bike Cadence Bike Combined Speed and Cadence Stride and Cadence Environmental Sensor Weight Scale Fitness Equipment Muscle Oxygen Pairing Pod (WASP Specific) Wahoo KICKR Keiser MultiBikeReceiver Running Dynamics Sensor FE-C Rep Counters The utility utilizes location based services to record location during a session. Continued use of GPS running in the background can dramatically decrease battery life. In-App Purchases unlock additional features and functionality WASP Relay: • Connect to BLE devices and relay the data to a virtual WASP. Data will show up in display applications just like your regular ANT+ sensors WASP Reflector: • Monitor your WASP data via the NPE Cloud Reflector. Your WASP data can be monitored from anywhere. WASP Simulator: • Simulate multiple ANT+ devices to aid in development/testing/stressing your apps For information about WASP data, visit Support at https://npe-inc.zendesk.com/hc/en-us ----- Legal Notice ----- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

GMBooking

Features
Read full description

GMBooking is the official mobile companion for members of studios running on the EMS Agent platform — a modern booking and membership management system purpose-built for electro-muscle-stimulation (EMS) training. Whether you're booking your next 20-minute EMS session, purchasing a membership package, or checking when your favorite trainer is available, GMBooking keeps your studio in your pocket. What you can do: • Book sessions — see real-time trainer availability and reserve your slot in seconds. • Manage memberships — buy new packages, view remaining sessions, and track expiry dates. • Track your schedule — review upcoming bookings and your full training history. • Manage your account — update contact details, profile information, and notification preferences. • Sign in securely — fast, passwordless OTP login via your phone number. Built for EMS studio members: GMBooking is intended exclusively for clients of EMS Agent partner studios. If your studio isn't using EMS Agent yet, visit emsagent.pro to learn how to bring it to your training experience. Privacy-first: The app does not collect analytics, does not track you across apps, and uses only the minimum system APIs required to deliver a smooth experience. See the privacy policy at app.emsagent.pro for details on how your studio handles data you share with them. Need help? Contact your studio directly through the app, or reach us via emsagent.pro.

Screenshots

WASP Util4 screens
GMBooking4 screens

Verdict

The call

The clearest difference is in-app purchases: GMBooking at none against WASP Util's 3. GMBooking also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (13.0 vs 16.6). 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. WASP Util sells 3 in-app purchases, starting at $4.99 per month. GMBooking asks for nothing beyond the download.

UpkeepUpdate frequency

WASP Util ships an update every 3 months, GMBooking fortnightly. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 6 level
WASP Util versus GMBooking: the parameters behind the verdict, then further details
ParameterWASP UtilGMBooking
PriceFreeFree
Rating4.0 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size58 MB3 MB
Age rating4+4+
DeveloperNPE IncMIROSLAV GEORGIEV GEORGIEV

In-app purchases

3 purchases

WASP Util

Subscriptions2
  • Unlimited Monthly7 Days trial$4.991 Month
  • Unlimited Yearly7 Days trial$39.991 Year
One-time1
  • Unlimited Lifetime$119.99
None

GMBooking

No in-app purchases

Questions

Is WASP Util free?
WASP Util is free to download, with in-app purchases available.
Is GMBooking free?
GMBooking is free to download, with no in-app purchases.
Do WASP Util or GMBooking have ads?
Neither WASP Util nor GMBooking shows ads.
Which is updated more often, WASP Util or GMBooking?
WASP Util ships an update every 3 months, and GMBooking fortnightly. Most recently, WASP Util was updated on October 1, 2026 and GMBooking on October 10, 2026.

Other comparisons