# Sleep Defender vs MKV PiP Player

The clearest difference is in-app purchases: Sleep Defender at none against MKV PiP Player's 1. Sleep Defender also leads on iOS requirement (8.0 vs 15.0). MKV PiP Player's advantage is review sentiment (94% vs 60%) and update cadence (every 9 days vs every 22 months). On price, ads, monetization model and device support there is nothing between them.

Sleep Defender costs $0.99 and MKV PiP Player $0.99 up front. MKV PiP Player sells 1 one-off in-app purchase. Sleep Defender asks for nothing beyond the download.

MKV PiP Player holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: MKV PiP Player has 68 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 60% of Sleep Defender's written reviews are positive against 94% of MKV PiP Player's.

Sleep Defender ships an update every 22 months, MKV PiP Player every 9 days. The most recent releases landed on October 19, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sleep Defender | MKV PiP Player |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | [4.4 (10 ratings)](https://appshunter.io/ios/app/sleep-defender/id907737933/reviews) | **[4.7 (68 ratings)](https://appshunter.io/ios/app/mkv-pip-player/id6470271115/reviews)** |
| Number of ratings | 10 | **68** |
| Positive reviews | 60.0% of reviews | **94.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 9 days** |
| Monetization | Paid | Paid |
| Size | 2 MB | 46 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Andrew Czupik](https://appshunter.io/developer/814200404) | [北京伊码网络科技有限公司](https://appshunter.io/developer/1655494126) |

## What reviewers say

### Sleep Defender

[App page](https://appshunter.io/ios/app/sleep-defender/id907737933)

This app helps parents manage wake-up times for young children using a visual, silent alarm system. It employs a stoplight color code (red, yellow, green) to indicate when it's okay to get out of bed, ensuring quiet mornings and better sleep for the whole family.

**Highlights:** Silent stoplight alarm system, Color-coded wake-up indicators, Large, easy-to-read clock numbers, Simple one-screen setup, Adjustable brightness controls, Silent timer for timeouts

**Features:** macOS Compatibility

**In-app purchases:** none


### MKV PiP Player

[App page](https://appshunter.io/ios/app/mkv-pip-player/id6470271115)

Play any video file with picture-in-picture functionality. Supports a wide range of video and subtitle formats, playlist files, and casting to DLNA TVs. Offers playback speed control and multi-track audio/subtitle options.

**Highlights:** Picture-in-Picture playback, Supports numerous video formats (MKV, MP4, AVI, etc.), Supports multiple subtitle formats (ASS, SRT, VTT, etc.), M3U playlist support, DLNA TV casting, Playback speed control, Multi-track audio and subtitles

**Features:** Safari Extension, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MKV PiP Player Pro | $1.99 | one-time |

**What reviewers like**

- 👍 Very good software
- 👍 Good app
- 👍 Very useful
- 👍 Good
- 👍 Powerful player

**What reviewers complain about**

- 🐛 HD clarity cannot load
- 🐛 DLNA cast to TV has no response
- 🐛 Glitchy at times
- 🐛 Frequent crashes
- 🐛 M3U parsing slow

**Reported bugs**

- HD clarity cannot load
- DLNA cast to TV has no response
- Glitchy at times
- Frequent crashes, especially when initiating PiP
- M3U parsing needs to be faster and search needs to be smoother

**Requested features**

- Add option to close transition animations
- Add vertical screen viewing function
- Support for Emby
- Add function to import video sources
- Support for ATV


## Frequently asked questions

### Is Sleep Defender free?

Sleep Defender costs $0.99, with no in-app purchases.

### Is MKV PiP Player free?

MKV PiP Player costs $0.99, and also offers in-app purchases.

### Which has better reviews, Sleep Defender or MKV PiP Player?

MKV PiP Player is rated higher. Sleep Defender averages 4.4 out of 5 from 10 ratings, while MKV PiP Player averages 4.7 from 68 ratings.

### Do Sleep Defender or MKV PiP Player have ads?

Neither Sleep Defender nor MKV PiP Player shows ads.

### Which is updated more often, Sleep Defender or MKV PiP Player?

Sleep Defender ships an update every 22 months, and MKV PiP Player every 9 days. Most recently, Sleep Defender was updated on October 19, 2026 and MKV PiP Player on October 30, 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.*