LED Ohm Calc vs Simple Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LED Ohm Calc
This utility simplifies calculating LED resistors by handling various voltages, decimal values, and multiple LEDs. It offers intuitive input methods for power supply and LED ratings, making complex calculations straightforward.
- Calculate LED resistors
- Handle various power supply voltages
- Input decimal LED voltage ratings
- Calculate current and wattage
- Support for multiple LEDs
- Intuitive slide bar and text input
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Isn't LED resistor calculation troublesome? When calculating LED resistors, you may find it challenging due to the following: 1.The variety of power supply voltages and microcontroller output voltages 2.Voltage values with decimals (e.g., 3.5–3.7V for blue and white LEDs) 3.Current value calculations 4.Calculations involving multiple LEDs 5.Power consumption (wattage) calculations Features of this App This app simplifies complex calculations using an intuitive slide bar and a text field for manual input. Specifications 1.Power Supply Voltage The slide bar allows settings up to 12V, but you can input higher values using the text field. 2.LED Ratings The slide bar has limits of 4.0V and 50mA, but the text field allows you to input values without restrictions. 3.Closing the Numeric Keypad To close the keypad, press the [Done] button. Share Your Feedback While we may not be able to address every request, we welcome your suggestions and feedback. If you enjoy the app, please consider leaving a review!
Simple Clock
This utility app provides a customizable digital clock with adjustable colors and sizes, and an analog dial option for iPad users. It also offers accurate time synchronization via NTP servers.
- Customizable digital clock colors
- Adjustable clock sizes
- Toggle seconds display
- Analog dial for iPad
- NTP time synchronization
- Customizable NTP servers
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Simple Clock is an app designed for situations where timing is critical, such as live streams and event management. [Features] ・Digital Clock - Customize the clock’s color to your liking - Choose from three clock sizes (Small / Medium / Large) - Toggle the seconds display on or off ・Analog Dial (iPad Only) - Freely customize the dial and hand colors - Supports overlay display of digital time ・NTP Time Synchronization - Retrieve accurate time via the internet - Customizable NTP servers
Screenshots
Verdict
The clearest difference is price: Simple Clock at Free against LED Ohm Calc's $0.99. LED Ohm Calc's advantage is rating (4.3 vs 1.0) and update cadence (every 10 days vs every 6 weeks). On ads, in-app purchases, device support and iOS requirement 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
Simple Clock is free to download; LED Ohm Calc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LED Ohm Calc holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: LED Ohm Calc has 6 ratings behind it against 1, so its average is the more settled of the two.
LED Ohm Calc ships an update every 10 days, Simple Clock every 6 weeks. The most recent releases landed on August 30, 2026 and September 8, 2026 respectively.
| Parameter | LED Ohm Calc | Simple Clock |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.3 (6 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 64.3% of reviews | — |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 10 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Mimi Apps&technologies | Imagination Studio LLC. |
Customer experience
LED Ohm Calc
Simple Clock
In-app purchases
LED Ohm Calc
No in-app purchases
Simple Clock
No in-app purchases
Questions
Is LED Ohm Calc free?
Is Simple Clock free?
Which has better reviews, LED Ohm Calc or Simple Clock?
Do LED Ohm Calc or Simple Clock have ads?
Which is updated more often, LED Ohm Calc or Simple Clock?
Other comparisons
