# ucChat vs Kosmos Hi Lo

The clearest difference is in-app purchases: ucChat at none against Kosmos Hi Lo's 3. ucChat also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kosmos Hi Lo sells 3 one-off in-app purchases. ucChat asks for nothing beyond the download.

ucChat ships an update every 3 weeks, Kosmos Hi Lo every 2 months. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | ucChat | Kosmos Hi Lo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 179 MB | 93 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Azblink Technology Corporation](https://appshunter.io/developer/978585746) | [Switch168 Communications Corporation](https://appshunter.io/developer/926586344) |

## What reviewers say

### ucChat

[App page](https://appshunter.io/ios/app/ucchat/id978585747)

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

**In-app purchases:** none


### Kosmos Hi Lo

[App page](https://appshunter.io/ios/app/kosmos-hi-lo/id1011603314)

This app offers two distinct communication platforms for private messaging and calling. One is for sensitive conversations with friends, featuring a 'kill code' to delete messages. The other is for everyday interactions.

**Highlights:** Dual communication platforms, Private messaging, Voice and video calling, Secure 'Hi' level communication, Daily 'Lo' level interaction, Message deletion 'kill code'

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Koins | $0.99 | one-time |
| 200 Koins | $1.99 | one-time |
| 500 Koins | $4.99 | one-time |


## Frequently asked questions

### Is ucChat free?

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

### Is Kosmos Hi Lo free?

Kosmos Hi Lo is free to download, with in-app purchases available.

### Do ucChat or Kosmos Hi Lo have ads?

Neither ucChat nor Kosmos Hi Lo shows ads.

### Which is updated more often, ucChat or Kosmos Hi Lo?

ucChat ships an update every 3 weeks, and Kosmos Hi Lo every 2 months. Most recently, ucChat was updated on October 23, 2026 and Kosmos Hi Lo on October 22, 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.*