# RCircuitCalc vs Klok AI

The clearest difference is review sentiment: Klok AI at 100% against RCircuitCalc's 0%. Klok AI also leads on price (Free vs $1.99) and rating (2.1 vs 1.0). RCircuitCalc's advantage is ads (none vs shown) and iOS requirement (13.6 vs 15.1). On ratings volume, in-app purchases and device support there is nothing between them.

Klok AI is free to download; RCircuitCalc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Klok AI holds the better App Store score, 2.1 against 1.0. Both are backed by a comparable volume of ratings — 5 and 7 respectively. Written reviews point the same way: 0% of RCircuitCalc's written reviews are positive against 100% of Klok AI's.

RCircuitCalc ships an update every 17 months, Klok AI every 2 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RCircuitCalc | Klok AI |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [1.0 (5 ratings)](https://appshunter.io/ios/app/rcircuitcalc/id857468508/reviews) | **[2.1 (7 ratings)](https://appshunter.io/ios/app/klok-ai/id6745335307/reviews)** |
| Number of ratings | 5 | **7** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 2 days** |
| Monetization | Paid | **Ad-supported** |
| Size | 7 MB | 30 MB |
| Requires iOS | **13.6** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKAHIKO FUKUYAMA](https://appshunter.io/developer/857468511) | [AROHA LABS PTE. LTD.](https://appshunter.io/developer/1811806949) |

## What reviewers say

### RCircuitCalc

[App page](https://appshunter.io/ios/app/rcircuitcalc/id857468508)

This app helps engineers and students design electrical and electronic circuits by calculating standard resistance values based on E-series numbers. It supports various circuit types, including voltage dividers, series, parallel, and combination circuits, and can also calculate current and power for each resistor.

**Highlights:** Calculates standard resistance values, Supports voltage dividers, series, parallel, and combination circuits, Calculates current and power for resistors, Outputs resistance values based on E-series numbers (E6, E12, E24, E48, E96), Calculations based on input voltage, output voltage, current, and resistance ratio

**Features:** macOS Compatibility

**In-app purchases:** none


### Klok AI

[App page](https://appshunter.io/ios/app/klok-ai/id6745335307)

Access multiple AI models optimized for various tasks through a single, intuitive interface. This app remembers your preferences and adapts to your style, offering specialized AIs for speed, creativity, complex problem-solving, and data analysis. Widgets provide quick access to your favorite tools, enhancing productivity and creativity.

**Highlights:** Multiple AI model access, Optimized AI for different tasks, Unified and intuitive interface, Personalized learning and adaptation, Widget system for quick access, Specialized AI for speed, creativity, and analysis

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RCircuitCalc free?

RCircuitCalc costs $1.99, with no in-app purchases.

### Is Klok AI free?

Klok AI is free to download, with no in-app purchases.

### Which has better reviews, RCircuitCalc or Klok AI?

Klok AI is rated higher. RCircuitCalc averages 1.0 out of 5 from 5 ratings, while Klok AI averages 2.1 from 7 ratings.

### Do RCircuitCalc or Klok AI have ads?

Klok AI shows ads; RCircuitCalc does not.

### Which is updated more often, RCircuitCalc or Klok AI?

RCircuitCalc ships an update every 17 months, and Klok AI every 2 days. Most recently, RCircuitCalc was updated on October 23, 2026 and Klok AI on October 24, 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.*