# Speaker SM2 vs ColdStart

The clearest difference is in-app purchases: Speaker SM2 at none against ColdStart's 1. Speaker SM2 also leads on device support (3 vs 1) and iOS requirement (12.0 vs 26.1). On price and ads there is nothing between them.

Both are free to download. ColdStart sells 1 one-off in-app purchase. Speaker SM2 asks for nothing beyond the download.

## The numbers

| Metric | Speaker SM2 | ColdStart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 24 MB | 39 MB |
| Requires iOS | **12.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Donghai Chen](https://appshunter.io/developer/1448339671) | [Mehmet Cakmaz](https://appshunter.io/developer/6772245895) |

## What reviewers say

### Speaker SM2

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ColdStart

[App page](https://appshunter.io/ios/app/coldstart-engine-alarm-clock/id6787444544)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Car Engines | $6.99 | one-time |


## Frequently asked questions

### Is Speaker SM2 free?

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

### Is ColdStart free?

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

### Do Speaker SM2 or ColdStart have ads?

Neither Speaker SM2 nor ColdStart shows ads.

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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.*