# LED Ohm Calc vs Simple Clock

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.

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.

## The numbers

| Metric | LED Ohm Calc | Simple Clock |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/led-ohm-calc/id390985541/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/simple-clock-hybrid-clock/id1548930970/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Paid | **Free** |
| Size | 2 MB | 5 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mimi Apps&technologies](https://appshunter.io/developer/390985544) | [Imagination Studio LLC.](https://appshunter.io/developer/1806272197) |

## What reviewers say

### LED Ohm Calc

[App page](https://appshunter.io/ios/app/led-ohm-calc/id390985541)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Simple Clock

[App page](https://appshunter.io/ios/app/simple-clock-hybrid-clock/id1548930970)

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.

**Highlights:** Customizable digital clock colors, Adjustable clock sizes, Toggle seconds display, Analog dial for iPad, NTP time synchronization, Customizable NTP servers

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LED Ohm Calc free?

LED Ohm Calc costs $0.99, with no in-app purchases.

### Is Simple Clock free?

Simple Clock is free to download, with no in-app purchases.

### Which has better reviews, LED Ohm Calc or Simple Clock?

LED Ohm Calc is rated higher. LED Ohm Calc averages 4.3 out of 5 from 6 ratings, while Simple Clock averages 1.0 from 1 ratings.

### Do LED Ohm Calc or Simple Clock have ads?

Neither LED Ohm Calc nor Simple Clock shows ads.

### Which is updated more often, LED Ohm Calc or Simple Clock?

LED Ohm Calc ships an update every 10 days, and Simple Clock every 6 weeks. Most recently, LED Ohm Calc was updated on August 30, 2026 and Simple Clock on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*