# Physics Toolbox Magnetometer vs DoodleConnect

The clearest difference is in-app purchases: DoodleConnect at none against Physics Toolbox Magnetometer's 1. DoodleConnect also leads on update cadence (every 2 months vs every 13 months) and ratings volume (56 vs 7). Physics Toolbox Magnetometer's advantage is review sentiment (80% vs 56%) and rating (5.0 vs 4.7). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Physics Toolbox Magnetometer sells 1 one-off in-app purchase. DoodleConnect asks for nothing beyond the download.

Physics Toolbox Magnetometer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: DoodleConnect has 56 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 80% of Physics Toolbox Magnetometer's written reviews are positive against 56% of DoodleConnect's.

Physics Toolbox Magnetometer ships an update every 13 months, DoodleConnect every 2 months. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Physics Toolbox Magnetometer | DoodleConnect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/physics-toolbox-magnetometer/id1003749103/reviews)** | [4.7 (56 ratings)](https://appshunter.io/ios/app/doodleconnect/id1176073180/reviews) |
| Number of ratings | 7 | **56** |
| Positive reviews | **80.0% of reviews** | 56.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 17 MB | 37 MB |
| Requires iOS | 17.1 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Chrystian Vieyra](https://appshunter.io/developer/998187453) | [Discovery Education Inc.](https://appshunter.io/developer/1557216359) |

## What reviewers say

### Physics Toolbox Magnetometer

[App page](https://appshunter.io/ios/app/physics-toolbox-magnetometer/id1003749103)

This app transforms your iPhone into a precise scientific instrument for measuring, visualizing, and recording magnetic fields. Explore magnetic field vectors, magnitudes, and compass headings with real-time charts and digital readouts. Ideal for educational experiments, lab work, or curious exploration.

**Highlights:** Real-time magnetic field vector and magnitude display, Chart, digital, and compass viewing modes, Data recording and CSV export, Adjustable sample rate (1-100 Hz), Signal filters for noise reduction, Detection of permanent and electromagnetic fields

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $2.99 | one-time |


### DoodleConnect

[App page](https://appshunter.io/ios/app/doodleconnect/id1176073180)

Monitor your child's educational development across multiple learning applications. Stay informed about their achievements, progress through the curriculum, and receive real-time updates on their learning journey.

**Highlights:** Instant progress notifications, View latest achievements, Track stars earned, Follow curriculum progress

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great for tracking progress
- 👍 Makes learning fun
- 👍 Interactive and engaging
- 👍 Good for home education
- 👍 Provides insightful data

**What reviewers complain about**

- 🐛 Glitches and bugs
- 🐛 App crashes/switches off
- 🐛 Syncing issues between devices
- 🐛 Not synching with Doodle Connect
- 🐛 Latest update ruined app

**Reported bugs**

- Losing streak
- No synching between apps on different devices
- Not synching with Doodle Connect app
- Latest update ruined the app
- Can't understand children's results anymore

**Requested features**

- Bring back old version
- More comprehensive initial test
- More challenging levels
- Option to add extra material for all students
- Better graphing options


## Frequently asked questions

### Is Physics Toolbox Magnetometer free?

Physics Toolbox Magnetometer is free to download, with in-app purchases available.

### Is DoodleConnect free?

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

### Which has better reviews, Physics Toolbox Magnetometer or DoodleConnect?

Physics Toolbox Magnetometer is rated higher. Physics Toolbox Magnetometer averages 5.0 out of 5 from 7 ratings, while DoodleConnect averages 4.7 from 56 ratings.

### Do Physics Toolbox Magnetometer or DoodleConnect have ads?

Neither Physics Toolbox Magnetometer nor DoodleConnect shows ads.

### Which is updated more often, Physics Toolbox Magnetometer or DoodleConnect?

Physics Toolbox Magnetometer ships an update every 13 months, and DoodleConnect every 2 months. Most recently, Physics Toolbox Magnetometer was updated on September 23, 2026 and DoodleConnect on September 21, 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.*