# Сириус vs iLeu

The clearest difference is iOS requirement: Сириус at 8 against iLeu's 13.4. On price, update cadence, 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.

Сириус ships an update every 2 months, iLeu every 3 months. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Сириус | iLeu |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 12 MB | 34 MB |
| Requires iOS | **8** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [KIDS SECURITY, TOO](https://appshunter.io/developer/1200281331) | [Unipark TOO](https://appshunter.io/developer/1169796388) |

## What reviewers say

### Сириус

[App page](https://appshunter.io/ios/app/gps/id1200281332)

This app allows parents to track the real-time location of their children's smartwatches. It offers communication features, movement history, and safety alerts like geofencing and low battery notifications. Parents can also remotely control watch settings and send rewards.

**Highlights:** Real-time location tracking, Two-way messaging (text/voice), Movement history, Geofencing alerts, Remote watch control, Camera support, SOS and safety notifications

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

**In-app purchases:** none


### iLeu

[App page](https://appshunter.io/ios/app/ileu/id6497331334)

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

**In-app purchases:** none


## Frequently asked questions

### Is Сириус free?

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

### Is iLeu free?

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

### Do Сириус or iLeu have ads?

Neither Сириус nor iLeu shows ads.

### Which is updated more often, Сириус or iLeu?

Сириус ships an update every 2 months, and iLeu every 3 months. Most recently, Сириус was updated on October 13, 2026 and iLeu on October 4, 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.*