OneHandClock vs Smart Link VMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OneHandClock
Experience a unique approach to timekeeping with a minimalist, single-hand clock. Customize backgrounds with your photos or camera, and choose between 12 or 24-hour formats with 10-minute increments. A three-hand option with a smooth second hand is also available.
- Single-hand clock display
- 24-hour and 12-hour formats
- 10-minute scale divisions
- Optional second hand
- Customizable clock position and size
- Camera or photo backgrounds
- Character customization on dial
Read full descriptionHide full description
This is a one needle clock. Let's feel the passage of calm time. - One-stitch clock -> 24-hour clock. The day-time is an upper half and the night-time is a lower half. -> 12-hour clock. -> The smallest scale division is 10 minutes. - Three-stitch clock - > The second hand is a clock which gains smoothly. - You can change the position and size of the clock. - You can choose a camera image or a photo as the background of the clock. - Please write a favorite character in a dial and make it your clock. - If it puts sideways, a status bar will not be displayed. - When continuing displaying in "Auto sleep"-off, we recommend you to connect with a power supply. There is a paid version "oneHandClock (Pro version)" that does not display advertisements.
Smart Link VMS
This application works with a specific Bluetooth module to provide detailed insights into your golf car's battery system. It monitors battery health, state of charge, and history, offering real-time diagnostics and alerts.
- Real-time battery monitoring
- State of Charge (SOC) and Health (SOH)
- Battery history recording
- Real-time diagnostics
- Alerts and reminders
- Optional wireless lockout
Read full descriptionHide full description
The Smart Link Wireless Vehicle Monitoring System (wVMS) is a Bluetooth Smart low-energy module designed to be installed on board a golf car and paired with the Smart Link app to provide never before possible insights into the vehicle’s battery system. The wVMS module continuously monitors the battery system with industry-leading accuracy and uses proprietary algorithms to determine State of Charge (SOC) and State of Health (SOH) for deep-cycle lead-acid battery systems. The Smart Link app can be connected during vehicle use to provide dashboard data, as well as an optional wireless lockout, or only connected periodically to download new history records and send them via email or use the real-time diagnostics to help troubleshoot vehicle issues. Note: This app will only work if you have a Smart Link wVMS Bluetooth Smart module. Visit “www.pro-fitparts.com/smartlink” to find out where you can purchase a module. Key features: + On-board module for 36 or 48-volt deep-cycle lead-acid battery systems + Bluetooth Smart wireless + Monitoring, recording, and communicating of vehicle battery data + Current, Ah, voltage, temperature, and time + SOC during vehicle use + SOC and time remaining while charging + State of health (SOH) + Alerts and reminders + Complete battery pack history + Best-in-class accuracy + Low DC power requirements + Optional wireless lockout + Automotive-grade packaging + Made in the USA
Screenshots
Verdict
The clearest difference is review sentiment: OneHandClock at 86% against Smart Link VMS's 0%. OneHandClock also leads on rating (4.6 vs 1.4). Smart Link VMS's advantage is ads (none vs shown) and update cadence (monthly vs every 26 months). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OneHandClock holds the better App Store score, 4.6 against 1.4. Both are backed by a comparable volume of ratings — 5 and 12 respectively. Written reviews point the same way: 86% of OneHandClock's written reviews are positive against 0% of Smart Link VMS's.
OneHandClock ships an update every 26 months, Smart Link VMS monthly. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.
| Parameter | OneHandClock | Smart Link VMS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) — better | 1.4 (12 ratings) |
| Positive reviews | 85.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 5 | 12 — better |
| Update frequency | Every 26 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Keietsu Yasuhara | Lester Electrical |
Customer experience
OneHandClock
Smart Link VMS
In-app purchases
OneHandClock
No in-app purchases
Smart Link VMS
No in-app purchases
Questions
Is OneHandClock free?
Is Smart Link VMS free?
Which has better reviews, OneHandClock or Smart Link VMS?
Do OneHandClock or Smart Link VMS have ads?
Which is updated more often, OneHandClock or Smart Link VMS?
Other comparisons
