Comparison

LED Ohm Calc vs BAL CHARGER

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

BAL CHARGER

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12Vバッテリー充電器 「COMPACT CHARGER 3A 6A 」専用のアプリです。本体とスマートフォンをBluetooth®で接続することにより、パッテリータイプの選択や充電電流の設定の操作ができ、また充電中の電圧や電流の状態をリアルタイムで確認することができます。 Bluetooth®ワードマークおよびロゴは登録商標であり、Bluetooth SIG, Inc. が所有権を有します。大橋産業株式会社は使用許諾の下でこれらのマークおよびロゴを使用しています。

Screenshots

LED Ohm Calc4 screens
BAL CHARGER4 screens

Verdict

The call

The clearest difference is price: BAL CHARGER at Free against LED Ohm Calc's $0.99. LED Ohm Calc's advantage is update cadence (every 10 days vs every 5 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

CostPrice · In-app purchases · Ads · Monetization

BAL CHARGER 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.

UpkeepUpdate frequency

LED Ohm Calc ships an update every 10 days, BAL CHARGER every 5 weeks. The most recent releases landed on August 30, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 8 level
LED Ohm Calc versus BAL CHARGER: the parameters behind the verdict, then further details
ParameterLED Ohm CalcBAL CHARGER
Price$0.99Free — better
Rating4.3 (6 ratings) — better—
Positive reviews64.3% of reviews—
Number of ratings6 — better—
Update frequencyEvery 10 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.614.0 — better
Further details — not scored
Size2 MB16 MB
Age rating4+17+
DeveloperMimi Apps&technologies彦杰 张

In-app purchases

None

LED Ohm Calc

No in-app purchases

None

BAL CHARGER

No in-app purchases

Questions

Is LED Ohm Calc free?
LED Ohm Calc costs $0.99, with no in-app purchases.
Is BAL CHARGER free?
BAL CHARGER is free to download, with no in-app purchases.
Do LED Ohm Calc or BAL CHARGER have ads?
Neither LED Ohm Calc nor BAL CHARGER shows ads.
Which is updated more often, LED Ohm Calc or BAL CHARGER?
LED Ohm Calc ships an update every 10 days, and BAL CHARGER every 5 weeks. Most recently, LED Ohm Calc was updated on August 30, 2026 and BAL CHARGER on September 11, 2026.

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