# Smart RTSP vs PhosphorSSTV

The clearest difference is review sentiment: Smart RTSP at 88% against PhosphorSSTV's 0%. Smart RTSP also leads on price (Free vs $0.99) and update cadence (every 3 days vs every 3 months). PhosphorSSTV's advantage is in-app purchases (none vs 10). On ads, device support and iOS requirement there is nothing between them.

Smart RTSP is free to download; PhosphorSSTV costs $0.99 up front. Smart RTSP sells 10 in-app purchases, starting at $1.99 per month. PhosphorSSTV asks for nothing beyond the download.

Smart RTSP ships an update every 3 days, PhosphorSSTV every 3 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Smart RTSP | PhosphorSSTV |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/smart-rtsp-ip-camera-viewer/id6759822092/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **87.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Monetization | **Freemium** | Paid |
| Size | 181 MB | 3 MB |
| Requires iOS | **17.5** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [原野 葛](https://appshunter.io/developer/1704204366) | [Stuart Woolley](https://appshunter.io/developer/315697638) |

## What reviewers say

### Smart RTSP

[App page](https://appshunter.io/ios/app/smart-rtsp-ip-camera-viewer/id6759822092)

View and record live streams from IP cameras using RTSP, HLS, or ONVIF protocols. Features include motion detection, event recording, and PTZ control. Offers local notifications and optional iCloud sync for privacy-focused monitoring.

**Highlights:** RTSP, HLS, ONVIF camera viewing, Event-triggered recording, Motion, person, sound detection, PTZ camera control, Local notifications, Optional iCloud sync

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartRTSP Pro Monthly | $1.99 | per month |
| Monthly Shared Stream | $2.99 | per month |
| SmartRTSP Yearly | $6.99 | per year |
| Yearly Shared Stream | $9.99 | per year |
| Yearly 2 Remote Cameras | $14.99 | per year |
| Yearly 4 Remote Cameras | $29.99 | per year |
| Yearly 6 Remote Cameras | $44.99 | per year |
| Yearly 8 Remote Cameras | $59.99 | per year |
| Lifetime Membership | $14.99 | one-time |
| Family Lifetime | $24.99 | one-time |


### PhosphorSSTV

[App page](https://appshunter.io/ios/app/phosphorsstv/id6761005542)

Decode Slow Scan Television (SSTV) signals in real time using your iPhone's microphone. This app transforms audio tones into images, recreating the retro aesthetic of vintage monitors. It supports ten SSTV modes and offers advanced signal analysis tools.

**Highlights:** Real-time SSTV signal decoding, Supports ten SSTV modes, Authentic CRT display aesthetic, Live FFT spectrum analysis, Automatic VIS code detection, Image logging with metadata

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart RTSP free?

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

### Is PhosphorSSTV free?

PhosphorSSTV costs $0.99, with no in-app purchases.

### Do Smart RTSP or PhosphorSSTV have ads?

Neither Smart RTSP nor PhosphorSSTV shows ads.

### Which is updated more often, Smart RTSP or PhosphorSSTV?

Smart RTSP ships an update every 3 days, and PhosphorSSTV every 3 months. Most recently, Smart RTSP was updated on November 5, 2026 and PhosphorSSTV on October 31, 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.*