# Charm vs KOLO Connect from GP PRO

The clearest difference is update cadence: Charm at every 4 weeks against KOLO Connect from GP PRO's every 2 months. KOLO Connect from GP PRO's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 15.0). On price, ads and in-app purchases there is nothing between them.

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

Charm ships an update every 4 weeks, KOLO Connect from GP PRO every 2 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Charm | KOLO Connect from GP PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/kolo-connect-from-gp-pro/id1439955308/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 14 MB | 8 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Opilio Software LLC](https://appshunter.io/developer/375973691) | [Georgia-Pacific Consumer Products LP](https://appshunter.io/developer/603676513) |

## What reviewers say

### Charm

[App page](https://appshunter.io/ios/app/charm/id646105099)

**Features:** macOS Compatibility

**In-app purchases:** none


### KOLO Connect from GP PRO

[App page](https://appshunter.io/ios/app/kolo-connect-from-gp-pro/id1439955308)

This app facilitates the setup and management of a smart monitoring system for dispensers and collectors. It enables on-site vendors and customers to survey sites, commission devices, and verify system connectivity for enhanced facility management.

**Highlights:** Site survey and setup, Commission dispensers and collectors, Verify system connectivity, Monitor product levels, Receive alerts for low products or jams, Battery status monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Charm free?

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

### Is KOLO Connect from GP PRO free?

KOLO Connect from GP PRO is free to download, with no in-app purchases.

### Do Charm or KOLO Connect from GP PRO have ads?

Neither Charm nor KOLO Connect from GP PRO shows ads.

### Which is updated more often, Charm or KOLO Connect from GP PRO?

Charm ships an update every 4 weeks, and KOLO Connect from GP PRO every 2 months. Most recently, Charm was updated on October 9, 2026 and KOLO Connect from GP PRO on October 24, 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.*