E4 Flex vs The Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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 descriptionHide 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.
The Clock
This app provides a reliable and user-friendly alarm clock with essential functions. Wake up gently to music, set future alarms, and customize your wake-up experience with features like volume crescendo and dismiss challenges. It also includes a world clock, timer, and stopwatch.
- Set and manage multiple alarms
- Schedule future alarms
- Volume crescendo for gentle wake-up
- Dismiss challenges to prevent accidental deactivation
- World clock for multiple time zones
- Countdown timer and stopwatch with lap recording
- Customizable themes and dark mode
Read full descriptionHide full description
Wake up gently to your favorite music with The Clock, a reliable and user-friendly alarm clock that combines all the essential functions you need in a single app. Simple. Reliable. Precise. Features: - Easy-to-use: Set, edit, and remove multiple alarms effortlessly. Use it to wake up in the morning or for reminders and daily tasks. - Set Future Alarms: Schedule alarms for specific dates and never miss important events again. - Easy-to-Use Interface: Customize your alarm titles, snooze settings, and recurring alarms with ease. - Volume Crescendo: Gradually increase the alarm volume for a peaceful and gentle wake-up experience. - Works in All Conditions: Alarms work when your screen is off, in silent mode, or with headphones plugged in. Time zone changes are handled automatically. - Perfect for Heavy Sleepers: With loud alarm options and vibration settings, you’ll wake up on time, every time. - Music and Playlist Integration: Wake up to your favorite music or playlist, with full integration of Apple Music and Spotify. - Dismiss Challenges: To prevent accidentally disabling your alarm, set up challenges like solving math problems, scanning QR codes, or shaking your phone. - Nap Alarm: Set a quick nap alarm and wake up in time to continue your day. - Stylish Bedside Clock: Turn your device into a retro-style nightstand flip clock for a minimalist, elegant look. - World Clock: Keep track of time across multiple cities, perfect for travelers and those with family abroad. - Timer and Stopwatch: Use the countdown timer for activities like cooking, workouts, or games, and track time precisely with the advanced stopwatch, including lap recording. - Customizable Themes and Dark Mode: Personalize the app’s appearance with colorful themes and enjoy dark mode for night-time use. Download The Clock - Alarm Clock & Timer for FREE today!
Screenshots
Verdict
The clearest difference is rating: E4 Flex at 5.0 against The Clock's 3.0. E4 Flex also leads on in-app purchases (none vs 3) and iOS requirement (13.1 vs 15.0). The Clock's advantage is update cadence (monthly vs every 21 months). On price, ratings volume, 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
Both are free to download. The Clock sells 3 in-app purchases, starting at $9.99 per 7 days. E4 Flex asks for nothing beyond the download.
E4 Flex holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
E4 Flex ships an update every 21 months, The Clock monthly. The most recent releases landed on September 16, 2026 and August 20, 2026 respectively.
| Parameter | E4 Flex | The Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 21 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Hamel | JETKITE YAZILIM SANAYI VE TICARET A.S. |
Customer experience
E4 Flex
The Clock
In-app purchases
E4 Flex
No in-app purchases
The Clock
- Weekly Premium Access$9.997 Days
- Monthly Premium Access$14.991 Month
- Yearly Premium Access$27.991 Year
Questions
Is E4 Flex free?
Is The Clock free?
Which has better reviews, E4 Flex or The Clock?
Do E4 Flex or The Clock have ads?
Which is updated more often, E4 Flex or The Clock?
Other comparisons















