Comparison

LED Ohm Calc vs TextWatch

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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!

About

TextWatch

Personalize your Apple Watch face with custom text reminders and messages. Easily create and sync single-line or multi-line items from your iPhone to your watch, then select which text to display.

Highlights
  • Custom text reminders
  • Single-line and multi-line support
  • iPhone and Apple Watch sync
  • Watch face complication integration
  • Easy item selection
Features
Read full description

Create your positive reminders for your apple watch. This can be anything - you decide and create your texts that will show up on your apple watch. How to do it? 1. Add TextWatch as a complication to your watch face 2. Open the TextWatch app on your Apple Watch 3. Open TextWatch on your iPhone and create your single-line or multi-line items. The items get sync automatically to your watch. 4. Tap on the item that you want to be displayed on your watch face That's already it. Have fun creating your texts for your apple watch :) Do you want to give feedback? You miss something, and you have a good idea for the next update? Or you just want to show us your created text on your watch face? Send us an email to hagmannmarcel.developer@yahoo.com :)

Screenshots

LED Ohm Calc4 screens
TextWatch4 screens

Verdict

The call

The clearest difference is price: TextWatch at Free against LED Ohm Calc's $0.99. TextWatch also leads on ratings volume (29 vs 6) and iOS requirement (13.0 vs 15.6). LED Ohm Calc's advantage is review sentiment (64% vs 20%) and rating (4.3 vs 3.4). On ads, 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

CostPrice · In-app purchases · Ads · Monetization

TextWatch 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.

ReceptionRating · Positive reviews · Number of ratings

LED Ohm Calc holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 6 and 29 respectively. Written reviews point the same way: 64% of LED Ohm Calc's written reviews are positive against 20% of TextWatch's.

UpkeepUpdate frequency

LED Ohm Calc ships an update every 10 days, TextWatch every 8 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
LED Ohm Calc versus TextWatch: the parameters behind the verdict, then further details
ParameterLED Ohm CalcTextWatch
Price$0.99Free — better
Rating4.3 (6 ratings) — better3.4 (29 ratings)
Positive reviews64.3% of reviews — better20.0% of reviews
Number of ratings629 — better
Update frequencyEvery 10 days — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPod, Apple Watch — better
Requires iOS15.613.0 — better
Further details — not scored
Size2 MB4 MB
Age rating4+4+
DeveloperMimi Apps&technologiesMarcel Hagmann

Customer experience

LED Ohm Calc

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews14 reviews
Positive64.3%
Neutral0.0%
Negative35.7%

TextWatch

All ratings27 ratings
Positive55.6%
Neutral3.7%
Negative40.7%
Written reviews5 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

In-app purchases

None

LED Ohm Calc

No in-app purchases

None

TextWatch

No in-app purchases

Questions

Is LED Ohm Calc free?
LED Ohm Calc costs $0.99, with no in-app purchases.
Is TextWatch free?
TextWatch is free to download, with no in-app purchases.
Which has better reviews, LED Ohm Calc or TextWatch?
LED Ohm Calc is rated higher. LED Ohm Calc averages 4.3 out of 5 from 6 ratings, while TextWatch averages 3.4 from 29 ratings.
Do LED Ohm Calc or TextWatch have ads?
Neither LED Ohm Calc nor TextWatch shows ads.
Which is updated more often, LED Ohm Calc or TextWatch?
LED Ohm Calc ships an update every 10 days, and TextWatch every 8 months. Most recently, LED Ohm Calc was updated on November 6, 2026 and TextWatch on November 3, 2026.

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