SD Tool vs One Tap Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SD Tool
This utility app facilitates the management of Ubigreen SmartDesk sensors. Users can install, replace, disable, or move sensors by associating them with locations, scanning QR codes, or inputting serial numbers. It offers automatic data syncing to the cloud and local duplication detection.
- Install, replace, disable, and move sensors
- Associate sensors with locations
- Scan QR codes or input serial numbers
- Automatic data sync to Ubigreen cloud
- Export installed sensor list to CSV
- Local duplication detection
- View sensor status and autonomy
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This app allows to INSTALL / REPLACE / DISABLE / MOVE Ubigreen SmartDesk sensors: - Login with credentials - Choose action to perform from home menu - Install > associate a sensor to a location - Replace > replace the sensor of a location - Disable > dissociate a sensor from its location - Move > displace a sensor to a new location Here are some specific available features: - Scan QR code of SmartDesk device to get sensor info - Input serial number when QR code is not accessible - Automatic push data to Ubigreen cloud - List of installed SmartDesk sensors / export to CSV format and share by mail - Local duplication detections on installation - Sensor status (last communication date and autonomy) on installation iOS 13 compatibility and dark mode For any request, please feel free to contact support@ubigreen.com
One Tap Timer
This app offers a straightforward countdown timer designed for everyday tasks. It features simple controls, quick setup with presets, and customizable alerts, all within a distraction-free interface. Ideal for studying, cooking, workouts, and more.
- Tap to start, pause, resume
- Minimalist, distraction-free interface
- Instant presets and custom duration
- Light and Dark visual themes
- Sound or vibration alerts
- Focus and study timer
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Looking for a simple timer? Stop fumbling with complex settings. Just tap and focus. One Tap Timer is the most intuitive countdown timer app for your daily life. We stripped away the clutter to give you a timer that just works. Whether you are studying, working out, or cooking, simply set your time and go. ■ SIMPLE & FAST • Simple Controls: Tap anywhere to start, pause, or resume. • Distraction-Free: A clean, minimal interface that lets you focus on the numbers. • Quick Setup: Use instant presets (30 seconds, 1 min, 5 min, 10 min) or set a custom duration. • Stay Awake: The screen never dims while your timer is running. ■ ALARMS & THEMES • Flexible Alarms: Choose between sound, vibration, or silent — perfect for quiet libraries or loud kitchens. • Background Alarms: Get an alarm when time's up, even with the screen off. • Visual Themes: Switch between a crisp Light Mode and an eye-friendly Dark Mode. ■ PERFECT FOR • Focus & Study: Pomodoro technique, exams, and reading sessions. • Board Games: Turn limits for Rummikub, Chess, or party games. • Work: Presentations, public speaking practice, and meetings. • Cooking: Boiling eggs, brewing coffee, or steeping tea. • Fitness: Planking, HIIT intervals, and rest between sets. ■ 100% FREE (OPTIONAL AD REMOVAL) One Tap Timer is completely free to use. An optional one-time purchase removes ads forever (No subscriptions). Experience the beauty of simplicity. Download One Tap Timer today.
Screenshots
Verdict
The clearest difference is rating: One Tap Timer at 4.6 against SD Tool's 1.0. One Tap Timer also leads on update cadence (every 6 days vs every 6 weeks) and ratings volume (33 vs 1). SD Tool's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price 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. One Tap Timer sells 1 one-off in-app purchase. SD Tool asks for nothing beyond the download.
One Tap Timer holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: One Tap Timer has 33 ratings behind it against 1, so its average is the more settled of the two.
SD Tool ships an update every 6 weeks, One Tap Timer every 6 days. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.
| Parameter | SD Tool | One Tap Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.6 (33 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 1 | 33 — better |
| Update frequency | Every 6 weeks | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Ubigreen | StedyWorks |
Customer experience
SD Tool
One Tap Timer
In-app purchases
SD Tool
No in-app purchases
One Tap Timer
- Remove Ads$2.99
