Comparison

E4 Flex vs Telerik .NET MAUI CryptoTrack

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

Head to head
About

E4 Flex

This app enables field technicians to connect to and manage E4 Flex readers via Bluetooth Low Energy. It allows for sending commands and receiving responses, facilitating configuration and testing of the readers.

Highlights
  • Connect to E4 Flex readers via BLE
  • Send commands to readers
  • Receive responses from readers
  • Configure E4 Flex readers
  • Test E4 Flex readers
Read full description

The E4 Flex allows users to find and connect to E4 Flex readers in close proximity using the BLE interface. The user can send commands and receive responses as if they were connected using the typical serial or network connect. This app is a new tool for field technicians to configure and test the E4 Flex Reader.

About

Telerik .NET MAUI CryptoTrack

Features
Read full description

Telerik UI for .NET MAUI CryptoTrack is a real time crypto tracker application built with the Telerik UI for .NET MAUI controls, showcasing changes in cryptocurrency prices. Telerik UI for .NET MAUI is a library of native and customisable UI components for building native cross-platform mobile and desktop applications with C# and XAML. This UI suite allows you to target the most popular mobile and desktop platforms from a single shared codebase. In this demo, you can see in action many of the .NET MAUI controls in the library, including the ListView, Charts and TabView. Telerik UI for .NET MAUI components featured in this app: .NET MAUI DATAGRID The .NET MAUI DataGrid is a powerful control that allows you to easily visualize and edit tabular represented data in your .NET MAUI applications. The control can be populated from various data sources and includes out-of-the-box support for operations like sorting, filtering and grouping and editing and more. Some of the powerful DataGrid features include UI Virtualization and smooth performance when loading large data sets, editing, filtering, grouping and sorting, single and multiple selection a built-in styling mechanism for customising the look of the control and its items and more. Visit the .NET MAUI DataGrid marketing overview: https://www.telerik.com/maui-ui/datagrid Visit the .NET MAUI DataGrid docs: https://docs.telerik.com/devtools/maui/controls/datagrid/datagrid-overview .NET MAUI TABVIEW A flexible navigation control that allows you to build tabbed interfaces. Each TabView item has an associated content displayed on selection. The control is fully customisable and comes with rich functionality, including item selection, tabs and header customisation, templates and a flexible styling API. Visit the .NET MAUI TabView marketing overview: https://www.telerik.com/maui-ui/tabview Visit the .NET MAUI TabView docs: https://docs.telerik.com/devtools/maui/controls/tabview/getting-started .NET MAUI LISTVIEW This virtualizing list component provides the most popular features associated with scenarios where a list of items is used. It comes packed with features for any scenario, from grouping, sorting and filtering to selection and gestures support. Visit the .NET MAUI ListView marketing overview: https://www.telerik.com/maui-ui/listview Visit the .NET MAUI ListView docs: https://docs.telerik.com/devtools/maui/controls/listview/listview-overview .NET MAUI CHART Feature-rich, intuitive, and easy to use data-visualization controls, the .NET MAUI Chart library capitalizes all the innate benefits of the native UI. It exposes its objects and properties in C#, allowing for no-compromise customisation and flexibility. Available charts include: Area Chart, Bar Chart, Line Chart, Pie Chart, Financial Charts, ScatterArea, ScatterPoint, ScatterSpline and ScatterSplineArea Charts, as well as Spline and SplineArea Charts. Visit the .NET MAUI Chart marketing overview: https://www.telerik.com/maui-ui/chart Visit the .NET MAUI Chart docs: https://docs.telerik.com/devtools/maui/controls/chart/chart-overview

Screenshots

E4 Flex3 screens
Telerik .NET MAUI CryptoTrack4 screens

Verdict

The call

The clearest difference is device support: Telerik .NET MAUI CryptoTrack at 4 against E4 Flex's 2. On price, update cadence, ads and in-app purchases 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

E4 Flex ships an update every 21 months, Telerik .NET MAUI CryptoTrack every 25 months. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

Scorecard1 real difference · 8 level
E4 Flex versus Telerik .NET MAUI CryptoTrack: the parameters behind the verdict, then further details
ParameterE4 FlexTelerik .NET MAUI CryptoTrack
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 21 months — betterEvery 25 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.113.0 — better
Further details — not scored
Size1 MB112 MB
Age rating4+4+
DeveloperPaul HamelProgress Software Corporation

In-app purchases

None

E4 Flex

No in-app purchases

None

Telerik .NET MAUI CryptoTrack

No in-app purchases

Questions

Is E4 Flex free?
E4 Flex is free to download, with no in-app purchases.
Is Telerik .NET MAUI CryptoTrack free?
Telerik .NET MAUI CryptoTrack is free to download, with no in-app purchases.
Do E4 Flex or Telerik .NET MAUI CryptoTrack have ads?
Neither E4 Flex nor Telerik .NET MAUI CryptoTrack shows ads.
Which is updated more often, E4 Flex or Telerik .NET MAUI CryptoTrack?
E4 Flex ships an update every 21 months, and Telerik .NET MAUI CryptoTrack every 25 months. Most recently, E4 Flex was updated on October 20, 2026 and Telerik .NET MAUI CryptoTrack on October 18, 2026.

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