# Oovium vs DCircuit Lab

The clearest difference is review sentiment: Oovium at 65% against DCircuit Lab's 11%. Oovium also leads on price (Free vs $3.99) and rating (5.0 vs 3.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

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

Oovium holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 65% of Oovium's written reviews are positive against 11% of DCircuit Lab's.

Oovium ships an update monthly, DCircuit Lab every 10 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Oovium | DCircuit Lab |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/oovium/id336573328/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/dcircuit-lab/id382544208/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | **64.7% of reviews** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | **Free** | Paid |
| Size | 11 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Aepryus Software](https://appshunter.io/developer/336573331) | [Fabrizio Boco](https://appshunter.io/developer/466239616) |

## What reviewers say

### Oovium

[App page](https://appshunter.io/ios/app/oovium/id336573328)

This app is a novel calculation sandbox that combines the functionality of calculators, spreadsheets, concept maps, and programming languages into a single, visually intuitive interface. It aims to make complex computing abilities accessible to a wider audience through explicit visual representations.

**Highlights:** Calculation sandbox, Visual programming interface, Spreadsheet functionality (GridBub), Concept mapping (TextBub), Custom function definition (MechBub), Object instances (InstBub)

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Innovative concept
- 💡 Creative approach to calculations
- 💡 Visualizing problems and solutions
- 💡 Useful for prototyping and debugging
- 💡 Good for "what-if" analysis

**What reviewers complain about**

- 🐛 Poor documentation
- 🐛 Trial and error learning curve
- 🐛 Mac version unclear
- 🐛 Subscription too expensive
- 🐛 Apple-exclusive

**Reported bugs**

- Subscription not working
- Crashes on launch on iPad
- Links to Dropbox no longer work
- Update killed everything, crashes on first screen
- Crashes regularly

**Requested features**

- Better terminology
- Vastly better documentation
- Pay-once option
- Lower purchase price ($3.99 or less)
- Graphing and graphics capabilities


### 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


## Frequently asked questions

### Is Oovium free?

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

### Is DCircuit Lab free?

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

### Which has better reviews, Oovium or DCircuit Lab?

Oovium is rated higher. Oovium averages 5.0 out of 5 from 5 ratings, while DCircuit Lab averages 3.0 from 3 ratings.

### Do Oovium or DCircuit Lab have ads?

Neither Oovium nor DCircuit Lab shows ads.

### Which is updated more often, Oovium or DCircuit Lab?

Oovium ships an update monthly, and DCircuit Lab every 10 months. Most recently, Oovium was updated on October 31, 2026 and DCircuit Lab on November 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*