# Vacci Dropper vs Aivi

The clearest difference is in-app purchases: Vacci Dropper at none against Aivi's 2. Vacci Dropper also leads on iOS requirement (16.0 vs 18.4). Aivi's advantage is update cadence (every 2 weeks vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Aivi sells 2 in-app purchases, starting at $2.99 per month. Vacci Dropper asks for nothing beyond the download.

Vacci Dropper ships an update every 2 months, Aivi every 2 weeks. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Vacci Dropper | Aivi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/aivi-live-activity-and-widgets/id6749237387/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 38 MB |
| Requires iOS | **16.0** | 18.4 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Colorado State University](https://appshunter.io/developer/527760765) | [Krzysztof Jagiello](https://appshunter.io/developer/479804675) |

## What reviewers say

### Vacci Dropper

[App page](https://appshunter.io/ios/app/vacci-dropper/id6468026746)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aivi

[App page](https://appshunter.io/ios/app/aivi-live-activity-and-widgets/id6749237387)

Display smart home device status on your iPhone's lock screen and Dynamic Island. Track appliances, EV charging, and more with a simple API integration. Share real-time updates with family.

**Highlights:** Persistent lock screen display, Dynamic Island integration, Universal device compatibility, Simple REST API, Family sharing of activities, Home Assistant integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Yearly subscription | $23.99 | per year |


## Frequently asked questions

### Is Vacci Dropper free?

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

### Is Aivi free?

Aivi is free to download, with in-app purchases available.

### Do Vacci Dropper or Aivi have ads?

Neither Vacci Dropper nor Aivi shows ads.

### Which is updated more often, Vacci Dropper or Aivi?

Vacci Dropper ships an update every 2 months, and Aivi every 2 weeks. Most recently, Vacci Dropper was updated on October 13, 2026 and Aivi on October 9, 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.*