# Speaker SM2 vs Sensor Toolkit

The clearest difference is in-app purchases: Speaker SM2 at none against Sensor Toolkit's 4. Speaker SM2 also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Sensor Toolkit sells 4 one-off in-app purchases. Speaker SM2 asks for nothing beyond the download.

## The numbers

| Metric | Speaker SM2 | Sensor Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 24 MB | 54 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Donghai Chen](https://appshunter.io/developer/1448339671) | [Dylan Calin](https://appshunter.io/developer/1832226530) |

## What reviewers say

### Speaker SM2

[App page](https://appshunter.io/ios/app/speaker-sm2/id6755685405)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sensor Toolkit

[App page](https://appshunter.io/ios/app/sensor-toolkit-smart-tools/id6758297155)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Tip | $1.00 | one-time |
| SensorKit Pro | $1.99 | one-time |
| Pizza Tip | $2.00 | one-time |
| Diamond Tip | $5.00 | one-time |


## Frequently asked questions

### Is Speaker SM2 free?

Speaker SM2 is free to download, with no in-app purchases.

### Is Sensor Toolkit free?

Sensor Toolkit is free to download, with in-app purchases available.

### Do Speaker SM2 or Sensor Toolkit have ads?

Sensor Toolkit shows ads; Speaker SM2 does not.

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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.*