# Hi vs Dynamics Lucy

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hi ships an update every 3 months, Dynamics Lucy every 2 weeks. The most recent releases landed on October 15, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Hi | Dynamics Lucy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hi-service/id1585778854/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 78 MB | 66 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [青岛海信日立空调系统有限公司](https://appshunter.io/developer/660035988) | [Dynamics Plus Max](https://appshunter.io/developer/1789526223) |

## What reviewers say

### Hi

[App page](https://appshunter.io/ios/app/hi-service/id1585778854)

Receive real-time notifications for system news and updates. This app offers optimized data collection and supports some functions even when offline. It also includes bug fixes for a smoother user experience.

**Highlights:** Online notification system, System news alerts, Optimized data collection, Offline mode support, Bug fixes

**Features:** Vision Pro support

**In-app purchases:** none


### Dynamics Lucy

[App page](https://appshunter.io/ios/app/dynamics-lucy/id6740326610)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hi free?

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

### Is Dynamics Lucy free?

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

### Do Hi or Dynamics Lucy have ads?

Hi shows ads; Dynamics Lucy does not.

### Which is updated more often, Hi or Dynamics Lucy?

Hi ships an update every 3 months, and Dynamics Lucy every 2 weeks. Most recently, Hi was updated on October 15, 2026 and Dynamics Lucy on October 28, 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.*