# Quad Decoder vs Accsoon SEE

The clearest difference is review sentiment: Quad Decoder at 100% against Accsoon SEE's 48%. Quad Decoder also leads on rating (5.0 vs 3.4) and in-app purchases (none vs 5). Accsoon SEE's advantage is ratings volume (46 vs 1) and update cadence (fortnightly vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Accsoon SEE sells 5 one-off in-app purchases. Quad Decoder asks for nothing beyond the download.

Quad Decoder holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Accsoon SEE has 46 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Quad Decoder's written reviews are positive against 48% of Accsoon SEE's.

Quad Decoder ships an update every 2 months, Accsoon SEE fortnightly. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Quad Decoder | Accsoon SEE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quad-decoder/id1508958867/reviews)** | [3.4 (46 ratings)](https://appshunter.io/ios/app/accsoon-see/id6443441166/reviews) |
| Number of ratings | 1 | **46** |
| Positive reviews | **100.0% of reviews** | 47.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 201 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社テクノマセマティカル](https://appshunter.io/developer/1144335251) | [Chengdu Accsoon Technology Co., Ltd](https://appshunter.io/developer/1503113127) |

## What reviewers say

### Quad Decoder

[App page](https://appshunter.io/ios/app/quad-decoder/id1508958867)

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.

**Highlights:** Stream video and audio, Connect to 4 encoders, Low delay streaming, Set IP address and port, Simultaneous connection

**Features:** macOS Compatibility

**In-app purchases:** none


### Accsoon SEE

[App page](https://appshunter.io/ios/app/accsoon-see/id6443441166)

Transform your phone into a professional video monitor, recorder, and live streamer. This app offers advanced monitoring tools, direct streaming to popular platforms, and HD video recording for easy sharing and editing.

**Highlights:** Professional video monitoring tools, Live streaming to platforms, HD video recording, Use phone as a monitor, Direct streaming from HDMI sources, Record to camera roll

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 | $0.99 | one-time |
| 50 | $0.99 | one-time |
| 200 | $2.99 | one-time |
| 500 | $6.99 | one-time |
| 1000 | $14.99 | one-time |

**What reviewers like**

- 👍 Great for live streaming
- 👍 Turns iPad into field monitor
- 👍 Useful for tethering
- 👍 Works with Sony a7C
- 👍 Professional monitoring features (histogram, focus peaking, false colors)

**What reviewers complain about**

- 🐛 Crashes during live stream
- 🐛 Freezes after a few seconds
- 🐛 Incompatible with iPhone 14 Pro Max
- 🐛 Black screen issues
- 🐛 Stopped working after firmware update

**Reported bugs**

- Black screen on iPhone 14 Pro Max
- Stopped working after firmware update
- Network error within the app
- Latest update causes crash on launch
- Buttons on edges of screen cut off on iPhone 15

**Requested features**

- Continue live streaming in background
- Expand functionality to Nikon and Fujifilm
- Add 360-degree rotation of image preview
- App remembers transmitter
- Allow scale adjustment for crosshairs


## Frequently asked questions

### Is Quad Decoder free?

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

### Is Accsoon SEE free?

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

### Which has better reviews, Quad Decoder or Accsoon SEE?

Quad Decoder is rated higher. Quad Decoder averages 5.0 out of 5 from 1 ratings, while Accsoon SEE averages 3.4 from 46 ratings.

### Do Quad Decoder or Accsoon SEE have ads?

Neither Quad Decoder nor Accsoon SEE shows ads.

### Which is updated more often, Quad Decoder or Accsoon SEE?

Quad Decoder ships an update every 2 months, and Accsoon SEE fortnightly. Most recently, Quad Decoder was updated on September 29, 2026 and Accsoon SEE on October 5, 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.*