# Kosmos Hi Lo vs Krypta ECC

The clearest difference is in-app purchases: Krypta ECC at none against Kosmos Hi Lo's 3. Krypta ECC also leads on update cadence (monthly vs every 2 months). Kosmos Hi Lo's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

Kosmos Hi Lo ships an update every 2 months, Krypta ECC monthly. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Kosmos Hi Lo | Krypta ECC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 66 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Switch168 Communications Corporation](https://appshunter.io/developer/926586344) | [Connexa GmbH (CH)](https://appshunter.io/developer/1721968560) |

## What reviewers say

### 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 |


### Krypta ECC

[App page](https://appshunter.io/ios/app/krypta-ecc/id6754332196)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kosmos Hi Lo free?

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

### Is Krypta ECC free?

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

### Do Kosmos Hi Lo or Krypta ECC have ads?

Neither Kosmos Hi Lo nor Krypta ECC shows ads.

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

Kosmos Hi Lo ships an update every 2 months, and Krypta ECC monthly. Most recently, Kosmos Hi Lo was updated on October 5, 2026 and Krypta ECC on September 30, 2026.

---

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