# DCircuit Lab vs power grid calculator

The clearest difference is price: power grid calculator at Free against DCircuit Lab's $3.99. power grid calculator also leads on update cadence (every 2 months vs every 10 months) and iOS requirement (14.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

power grid calculator is free to download; DCircuit Lab costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DCircuit Lab ships an update every 10 months, power grid calculator every 2 months. The most recent releases landed on August 23, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | DCircuit Lab | power grid calculator |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/dcircuit-lab/id382544208/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 3 MB | 2 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Fabrizio Boco](https://appshunter.io/developer/466239616) | [Ralph Karmoll](https://appshunter.io/developer/1304350050) |

## What reviewers say

### DCircuit Lab

[App page](https://appshunter.io/ios/app/dcircuit-lab/id382544208)

Design and simulate digital circuits with a comprehensive set of tools. Explore combinatorial and sequential logic, including gates, flip-flops, and custom components. Dynamic simulation with timing charts helps analyze circuit behavior.

**Highlights:** Combinatorial and sequential circuit simulation, Single-step and step-by-step simulation modes, Dynamic simulation with timing charts, Wide range of logic gates and flip-flops, Custom component creation via truth tables, Integrated video tutorials

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

**In-app purchases:** none


### power grid calculator

[App page](https://appshunter.io/ios/app/power-grid-calculator/id1567786064)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DCircuit Lab free?

DCircuit Lab costs $3.99, with no in-app purchases.

### Is power grid calculator free?

power grid calculator is free to download, with no in-app purchases.

### Do DCircuit Lab or power grid calculator have ads?

Neither DCircuit Lab nor power grid calculator shows ads.

### Which is updated more often, DCircuit Lab or power grid calculator?

DCircuit Lab ships an update every 10 months, and power grid calculator every 2 months. Most recently, DCircuit Lab was updated on August 23, 2026 and power grid calculator on September 16, 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.*