# Wonder Circuits vs NB科学领航

Wonder Circuits and NB科学领航 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Wonder Circuits sells 1 one-off in-app purchase and NB科学领航 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Wonder Circuits ships an update every 6 days, NB科学领航 weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Wonder Circuits | NB科学领航 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wonder-circuits-digital-logic/id6756538467/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 85 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [亚娟 秦](https://appshunter.io/developer/1539395142) | [BeiJing LeBu Educational Technology Co., Ltd.](https://appshunter.io/developer/943806906) |

## What reviewers say

### Wonder Circuits

[App page](https://appshunter.io/ios/app/wonder-circuits-digital-logic/id6756538467)

Explore digital logic with interactive lessons and a hands-on simulator. Build complex circuits, including a four-bit computer, and learn to program it. The app offers a free introductory experience with an optional one-time purchase for full access.

**Highlights:** 62 digital logic lessons, Build binary adders and registers, Assemble a four-bit computer, Write programs for the computer, Logic Lab simulator, Save and share circuit blueprints, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Content | $2.99 | one-time |


### NB科学领航

[App page](https://appshunter.io/ios/app/nb/id6802954956)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 科学领航课·启蒙 | $39.99 | one-time |
| 科学领航课·探索 | $39.99 | one-time |
| 科学领航课·突破 | $59.99 | one-time |


## Frequently asked questions

### Is Wonder Circuits free?

Wonder Circuits is free to download, with in-app purchases available.

### Is NB科学领航 free?

NB科学领航 is free to download, with in-app purchases available.

### Do Wonder Circuits or NB科学领航 have ads?

Neither Wonder Circuits nor NB科学领航 shows ads.

### Which is updated more often, Wonder Circuits or NB科学领航?

Wonder Circuits ships an update every 6 days, and NB科学领航 weekly. Most recently, Wonder Circuits was updated on October 25, 2026 and NB科学领航 on October 25, 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.*