# Electrical Calculator lite vs Tb Plus Charge

The clearest difference is in-app purchases: Tb Plus Charge at none against Electrical Calculator lite's 2. Tb Plus Charge also leads on ads (none vs shown) and iOS requirement (15.5 vs 17.6). Electrical Calculator lite's advantage is update cadence (every 5 weeks vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Electrical Calculator lite sells 2 one-off in-app purchases. Tb Plus Charge asks for nothing beyond the download.

Electrical Calculator lite ships an update every 5 weeks, Tb Plus Charge every 9 months. The most recent releases landed on October 18, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Electrical Calculator lite | Tb Plus Charge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (574 ratings)](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696/reviews)** | — |
| Number of ratings | **574** | — |
| Positive reviews | 40.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 111 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [ETECNIC MOVILIDAD ELECTRICA](https://appshunter.io/developer/1414150548) |

## What reviewers say

### Electrical Calculator lite

[App page](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696)

This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.

**Highlights:** 60+ Electrical Calculators, 16 Electrical Unit Converters, Ohm's Law Calculations, RLC Circuit Analysis, Power and Current Calculations, Transformer Calculations, Wire Size Selector

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 16 Electrical Converters | $0.99 | one-time |
| Electrical Calculators | $3.99 | one-time |

**What reviewers like**

- 👍 Very helpful formulas for homework
- 👍 Easy to use interface
- 👍 Comprehensive electricity app, a true Swiss Army knife
- 👍 Well-designed, intuitive, and aesthetic interface
- 👍 Great for work, very useful

**What reviewers complain about**

-  anúncios são muito irritantes
- 💰 Useful features are paywalled (RMS calculator, transformer calculator, MVA/current calculator)
- 💰 Costs too much
- 💰 Extremely basic calculators, rest require purchase
- 💰 Unlock option doesn't work

**Reported bugs**

- Unlock option doesn’t work
- Voltage drop calculator is incorrect compared to other apps

**Requested features**

- Output vs frequency sweep plotting for resonance points or impedance graphs for RL and RC circuits
- Add MHz option for capacitive and inductive reactance calculators
- Add MHz option for resonance frequency calculator


### Tb Plus Charge

[App page](https://appshunter.io/ios/app/tb-plus-charge/id6470269447)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Calculator lite free?

Electrical Calculator lite is free to download, with in-app purchases available.

### Is Tb Plus Charge free?

Tb Plus Charge is free to download, with no in-app purchases.

### Do Electrical Calculator lite or Tb Plus Charge have ads?

Electrical Calculator lite shows ads; Tb Plus Charge does not.

### Which is updated more often, Electrical Calculator lite or Tb Plus Charge?

Electrical Calculator lite ships an update every 5 weeks, and Tb Plus Charge every 9 months. Most recently, Electrical Calculator lite was updated on October 18, 2026 and Tb Plus Charge on September 30, 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.*