# Koi App vs HubStrom

Koi App and HubStrom are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 8, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Koi App | HubStrom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 79 MB | 2 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Meinecke Sistemas](https://appshunter.io/developer/1649412116) | [HubStrom](https://appshunter.io/developer/1810059624) |

## What reviewers say

### Koi App

[App page](https://appshunter.io/ios/app/koi-app/id6450839569)

**Features:** macOS Compatibility

**In-app purchases:** none


### HubStrom

[App page](https://appshunter.io/ios/app/hubstrom/id6744942657)

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

**In-app purchases:** none


## Frequently asked questions

### Is Koi App free?

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

### Is HubStrom free?

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

### Do Koi App or HubStrom have ads?

Neither Koi App nor HubStrom shows ads.

### Which is updated more often, Koi App or HubStrom?

Koi App ships an update monthly, and HubStrom monthly. Most recently, Koi App was updated on September 8, 2026 and HubStrom on August 12, 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.*