# Arduino Science Journal vs C++ Programming Pro

The clearest difference is review sentiment: Arduino Science Journal at 59% against C++ Programming Pro's 0%. Arduino Science Journal also leads on price (Free vs $4.99). C++ Programming Pro's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Arduino Science Journal is free to download; C++ Programming Pro costs $4.99 up front. Arduino Science Journal sells 2 in-app purchases, starting at $7.99 per month. C++ Programming Pro asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Arduino Science Journal | C++ Programming Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.4 (1.1K ratings)](https://appshunter.io/ios/app/arduino-science-journal/id1518014927/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | **58.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 43 MB | 13 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Arduino LLC](https://appshunter.io/developer/1599571672) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Arduino Science Journal

[App page](https://appshunter.io/ios/app/arduino-science-journal/id1518014927)

Transform your smartphone into a science notebook. Use your device's sensors and connect external hardware to gather real-time data, conduct experiments, and analyze findings. Ideal for students to explore the world scientifically.

**Highlights:** Use smartphone sensors, Connect external Arduino sensors, Record and analyze real-time data, Conduct interactive experiments, Enhance lesson plans, Cross-platform support

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Teacher Monthly Plan | $7.99 | per month |
| Yearly Teacher Plan | $63.99 | per year |

**What reviewers like**

- 👍 Simple and inspiring
- 🚀 Engaging science experience
- 🤩 Turned user into a true scientist
- 🤖 Good introduction to conducting experiments

**What reviewers complain about**

- 🐛 Keeps crashing
- 🐛 Blank screen issues
- 🐛 Sensors disappear or don't work
- 🤯 Overly complex and poor execution

**Reported bugs**

- App often crashes when trying to add sensors
- Sensor selection menu doesn't work
- Freezes on loading dashboards with blank screen
- Stopped working after iOS 15 update

**Requested features**

- iCloud sync
- CSV export for data analysis
- Velocity sensors using GPS
- Arduino sensor integration
- Buzzer with variable range


### C++ Programming Pro

[App page](https://appshunter.io/ios/app/c-plus-plus-programming-pro/id6738890071)

Master C++ programming with interactive lessons, quizzes, and comprehensive code examples. This app caters to both beginners and experienced developers, offering a structured learning path and a handy reference tool.

**Highlights:** Step-by-step C++ lessons, Interactive quizzes with 200+ questions, Code examples and reference, Favorites and full-text search (Pro), Covers all core and advanced C++ topics, Available in 10 languages

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Arduino Science Journal free?

Arduino Science Journal is free to download, with in-app purchases available.

### Is C++ Programming Pro free?

C++ Programming Pro costs $4.99, with no in-app purchases.

### Do Arduino Science Journal or C++ Programming Pro have ads?

Neither Arduino Science Journal nor C++ Programming Pro shows ads.

### Which is updated more often, Arduino Science Journal or C++ Programming Pro?

Arduino Science Journal ships an update every 2 months, and C++ Programming Pro every 2 months. Most recently, Arduino Science Journal was updated on September 19, 2026 and C++ Programming Pro 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.*