# Arduino Science Journal vs FlashSmart.co

The clearest difference is in-app purchases: FlashSmart.co at none against Arduino Science Journal's 2. FlashSmart.co also leads on update cadence (every 5 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Arduino Science Journal sells 2 in-app purchases, starting at $7.99 per month. FlashSmart.co asks for nothing beyond the download.

Arduino Science Journal ships an update every 3 months, FlashSmart.co every 5 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Arduino Science Journal | FlashSmart.co |
| --- | --- | --- |
| Price | Free | Free |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 58 MB | 38 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Arduino LLC](https://appshunter.io/developer/1599571672) | [Bentor Bautista Piris](https://appshunter.io/developer/1799226402) |

## 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


### FlashSmart.co

[App page](https://appshunter.io/ios/app/flashsmartco/id6781765103)

**Features:** macOS Compatibility, 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 FlashSmart.co free?

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

### Do Arduino Science Journal or FlashSmart.co have ads?

Neither Arduino Science Journal nor FlashSmart.co shows ads.

### Which is updated more often, Arduino Science Journal or FlashSmart.co?

Arduino Science Journal ships an update every 3 months, and FlashSmart.co every 5 weeks. Most recently, Arduino Science Journal was updated on November 3, 2026 and FlashSmart.co on November 5, 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.*