# 元笔记 vs Collie

元笔记 and Collie 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.

元笔记 ships an update monthly, Collie every 5 weeks. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 元笔记 | 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 | **Monthly** | Every 5 weeks |
| Monetization | — | Free |
| Size | 75 MB | 43 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen New Journey United Technology Co., LTD](https://appshunter.io/developer/1728409633) | [ThingX Technologies Limited](https://appshunter.io/developer/1758023148) |

## What reviewers say

### 元笔记

[App page](https://appshunter.io/ios/app/id1579006140)

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

**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 元笔记 free?

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

### Is Collie free?

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

### Do 元笔记 or Collie have ads?

Neither 元笔记 nor Collie shows ads.

### Which is updated more often, 元笔记 or Collie?

元笔记 ships an update monthly, and Collie every 5 weeks. Most recently, 元笔记 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.*