# NUWA Contact vs Collie

The clearest difference is iOS requirement: Collie at 13.4 against NUWA Contact's 15.0. 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.

NUWA Contact ships an update every 6 weeks, Collie every 5 weeks. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | NUWA Contact | Collie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/collie/id6553976595/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 26 MB | 43 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NUWA ROBOTICS](https://appshunter.io/developer/1401235676) | [ThingX Technologies Limited](https://appshunter.io/developer/1758023148) |

## What reviewers say

### NUWA Contact

[App page](https://appshunter.io/ios/app/nuwa-contact/id1598560468)

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### Collie

[App page](https://appshunter.io/ios/app/collie/id6553976595)

Receive instant fall detection alerts and remotely monitor connected devices. View historical event logs and manage multiple devices with custom names and locations. Protect privacy with local AI processing and thermal imaging data.

**Highlights:** Instant fall detection alerts, Remote device status monitoring, Historical event logs, Multi-device management, Privacy-focused thermal imaging, Local AI processing

**In-app purchases:** none


## Frequently asked questions

### Is NUWA Contact free?

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

### Is Collie free?

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

### Do NUWA Contact or Collie have ads?

Neither NUWA Contact nor Collie shows ads.

### Which is updated more often, NUWA Contact or Collie?

NUWA Contact ships an update every 6 weeks, and Collie every 5 weeks. Most recently, NUWA Contact was updated on November 7, 2026 and Collie on November 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.*