# COLT 4 vs Main

The clearest difference is in-app purchases: COLT 4 at none against Main's 2. Main's advantage is update cadence (daily vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Main sells 2 in-app purchases, starting at $0.99 per month. COLT 4 asks for nothing beyond the download.

COLT 4 ships an update monthly, Main daily. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | COLT 4 | Main |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Size | 155 MB | 19 MB |
| Requires iOS | **15.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Straightpoint](https://appshunter.io/developer/1232597225) | [Hayden Patteson](https://appshunter.io/developer/1881209474) |

## What reviewers say

### COLT 4

[App page](https://appshunter.io/ios/app/colt-4/id6736948101)

**Features:** macOS Compatibility

**In-app purchases:** none


### Main

[App page](https://appshunter.io/ios/app/main-tain/id6759850876)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Main-Tain Subscription | $0.99 | per month |
| Main-Tain Yearly Subscription | $9.99 | per year |


## Frequently asked questions

### Is COLT 4 free?

COLT 4 is free to download, with no in-app purchases.

### Is Main free?

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

### Do COLT 4 or Main have ads?

Neither COLT 4 nor Main shows ads.

### Which is updated more often, COLT 4 or Main?

COLT 4 ships an update monthly, and Main daily. Most recently, COLT 4 was updated on October 5, 2026 and Main on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*