# Charge the Robot vs CircuitLab Designer

The clearest difference is price: Charge the Robot at Free against CircuitLab Designer's $2.99. Charge the Robot also leads on rating (4.4 vs 1.0) and ratings volume (64 vs 1). CircuitLab Designer's advantage is in-app purchases (none vs 4) and update cadence (weekly vs every 5 months). On ads and device support there is nothing between them.

Charge the Robot is free to download; CircuitLab Designer costs $2.99 up front. Charge the Robot sells 4 in-app purchases, starting at $7.99 per month. CircuitLab Designer asks for nothing beyond the download.

Charge the Robot holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Charge the Robot has 64 ratings behind it against 1, so its average is the more settled of the two.

Charge the Robot ships an update every 5 months, CircuitLab Designer weekly. The most recent releases landed on October 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Charge the Robot | CircuitLab Designer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.4 (64 ratings)](https://appshunter.io/ios/app/charge-the-robot/id1532398652/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/circuitlab-designer/id6758009957/reviews) |
| Number of ratings | **64** | 1 |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 323 MB | 11 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Learny Land](https://appshunter.io/developer/1380183676) | [KRASMIROV KANEV](https://appshunter.io/developer/1867884547) |

## What reviewers say

### Charge the Robot

[App page](https://appshunter.io/ios/app/charge-the-robot/id1532398652)

Solve logic puzzles by manipulating gears, water, and steam to power a robot. Explore mechanisms and learn the basics of electricity, mechanics, and physics in a stress-free environment. Create and share your own levels.

**Highlights:** Over 100 levels, Free play, no rules or stress, Learn electricity, mechanics, physics, Develop logic and problem-solving skills, 3 distinct worlds: gears, water, steam, Create and share custom levels, Includes a theory section for expanded learning

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Learny Land Pass - Monthly | $7.99 | per month |
| Learny Land Pass - Monthly | $8.99 | per month |
| Learny Land Pass - Annual | $39.99 | per year |
| Learny Land Pass - Annual | $49.99 | per year |


### CircuitLab Designer

[App page](https://appshunter.io/ios/app/circuitlab-designer/id6758009957)

Learn electrical circuits through interactive building challenges. Instantly visualize current flow and understand concepts like series and parallel connections. This app offers a clean, offline experience with no ads or tracking.

**Highlights:** Interactive circuit-building challenges, Real-time visual feedback, Learn series and parallel connections, Understand circuit logic, Offline functionality, No ads or tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Charge the Robot free?

Charge the Robot is free to download, with in-app purchases available.

### Is CircuitLab Designer free?

CircuitLab Designer costs $2.99, with no in-app purchases.

### Which has better reviews, Charge the Robot or CircuitLab Designer?

Charge the Robot is rated higher. Charge the Robot averages 4.4 out of 5 from 64 ratings, while CircuitLab Designer averages 1.0 from 1 ratings.

### Do Charge the Robot or CircuitLab Designer have ads?

Neither Charge the Robot nor CircuitLab Designer shows ads.

### Which is updated more often, Charge the Robot or CircuitLab Designer?

Charge the Robot ships an update every 5 months, and CircuitLab Designer weekly. Most recently, Charge the Robot was updated on October 27, 2026 and CircuitLab Designer on October 17, 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.*