# ADViSiON vs Drizzling Rain 4K

The clearest difference is price: ADViSiON at Free against Drizzling Rain 4K's $1.99. ADViSiON also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (7.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

ADViSiON is free to download; Drizzling Rain 4K costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ADViSiON ships an update every 2 months, Drizzling Rain 4K every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ADViSiON | Drizzling Rain 4K |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/advision/id1204725240/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 49 MB | 68 MB |
| Requires iOS | **7.0** | 14.0 |
| Devices | **iPhone, iPod** | Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [波 朱](https://appshunter.io/developer/1116587054) | [Muhammad Wajih Ul Hassan](https://appshunter.io/developer/1502435136) |

## What reviewers say

### ADViSiON

[App page](https://appshunter.io/ios/app/advision/id1204725240)

Access and view live video streams from DVRs and IPC cameras globally. The app allows for managing devices, capturing snapshots, recording, and playing back video footage, with support for up to 16 simultaneous streams.

**Highlights:** Stream videos over Wi-Fi or 3G, View up to 16 live video streams, Device management, Snapshot and picture browsing, Record and playback video, PTZ control

**Features:** macOS Compatibility

**In-app purchases:** none


### Drizzling Rain 4K

[App page](https://appshunter.io/ios/app/drizzling-rain-4k/id1517272736)

**In-app purchases:** none


## Frequently asked questions

### Is ADViSiON free?

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

### Is Drizzling Rain 4K free?

Drizzling Rain 4K costs $1.99, with no in-app purchases.

### Do ADViSiON or Drizzling Rain 4K have ads?

Neither ADViSiON nor Drizzling Rain 4K shows ads.

### Which is updated more often, ADViSiON or Drizzling Rain 4K?

ADViSiON ships an update every 2 months, and Drizzling Rain 4K every 4 months. Most recently, ADViSiON was updated on November 2, 2026 and Drizzling Rain 4K on November 3, 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.*