PTI viewer vs Quad Decoder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PTI viewer
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The PTI viewer app lets you see a low-latency video feed streamed from Playback Technologies. This app is a companion to wireless video streaming provided by Playback Technologies. If you have not hired Playback Technologies to provide you with wireless video streaming, this app will not be useful.
Quad Decoder
Stream video and audio from multiple low-delay IP encoders simultaneously. Connect to up to four encoders by setting their IP addresses and port numbers for real-time viewing.
- Stream video and audio
- Connect to 4 encoders
- Low delay streaming
- Set IP address and port
- Simultaneous connection
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This app is play video and audio stream from Low delay Compact IP Encoder made by Techno Mathematical Co.,Ltd. It is possible to connect to 4 encoders simultaneously. Set Encoder IP address and port number then get connected.
Screenshots
Verdict
The clearest difference is update cadence: Quad Decoder at every 2 months against PTI viewer's every 7 months. PTI viewer's advantage is device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PTI viewer ships an update every 7 months, Quad Decoder every 2 months. The most recent releases landed on May 19, 2026 and September 10, 2026 respectively.
| Parameter | PTI viewer | Quad Decoder |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPad |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 64 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Playback Technologies, Inc. | 株式会社テクノマセマティカル |
In-app purchases
PTI viewer
No in-app purchases
Quad Decoder
No in-app purchases
