# CoolMessenger vs Marshall SmartReg

The clearest difference is update cadence: Marshall SmartReg at every 3 days against CoolMessenger's every 6 weeks. CoolMessenger's advantage is iOS requirement (8.0 vs 11.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CoolMessenger ships an update every 6 weeks, Marshall SmartReg every 3 days. The most recent releases landed on September 13, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | CoolMessenger | Marshall SmartReg |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 6 MB | 10 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Jiransoft](https://appshunter.io/developer/326119493) | [JetView Electronics (H.K) Company Limited](https://appshunter.io/developer/1722618522) |

## What reviewers say

### CoolMessenger

[App page](https://appshunter.io/ios/app/coolmessenger/id435721687)

**Features:** macOS Compatibility

**In-app purchases:** none


### Marshall SmartReg

[App page](https://appshunter.io/ios/app/marshall-smartreg/id6474865936)

**In-app purchases:** none


## Frequently asked questions

### Is CoolMessenger free?

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

### Is Marshall SmartReg free?

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

### Do CoolMessenger or Marshall SmartReg have ads?

Neither CoolMessenger nor Marshall SmartReg shows ads.

### Which is updated more often, CoolMessenger or Marshall SmartReg?

CoolMessenger ships an update every 6 weeks, and Marshall SmartReg every 3 days. Most recently, CoolMessenger was updated on September 13, 2026 and Marshall SmartReg on September 19, 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.*