music key vs MockMock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
music key
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music key is a music keyboard with 84 keys, which can play 84 tones of piano. there is a 7X12 array that makes the keys to fit the screen. player will easily find the tones and have fun to play tunes.
MockMock
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MockMock puts screenshots and screen recordings into real device cases with one click, creating clean and attractive presentation images and videos in seconds. No need to open design software or search for mockup materials. 【Cased Screenshots】 · Select a screenshot from your album and place it into the real case of the iPhone 17 Pro, iPhone 17 Air, etc. · Multiple case colours available: Silver, Deep Blue, Cosmic Orange, Deep Space Black, Cloud White... · Background options include solid colours, gradients, or illustration styles; you can also adjust colours yourself or use a transparent background directly. · Device size can be easily adjusted, what you see is what you get. · Export in high definition PNG or JPG (height 2778 pixels); transparent background exports as PNG with transparency channel. 【Cased Videos】 · Select a screen recording and place it into the same real device case, preview playback in real-time. · Drag the progress bar to check frames one by one. · Export MP4 videos, keeping the original sound. · Can also be saved as Live Photos, which can be played by long-pressing in the album. 【Style Presets】 · Save commonly used backgrounds, device types, case colours, and sizes as presets for easy application next time. · Once set as default, it will automatically apply every time you open it, ensuring a consistent style for a group of images. · Cased screenshots and cased videos share the same set of presets. 【Suitable for These Scenarios】 · App store screenshots, product websites, social media promotions. · Version update announcements, portfolios, presentations. · Create a decent presentation image for design drafts or functional screenshots. Privacy Policy: http://www.kpaxian.io/mockmock/privacy User Agreement: http://www.kpaxian.io/mockmock/terms
Screenshots
Verdict
The clearest difference is device support: MockMock at 2 against music key's —. music key's advantage is iOS requirement (11.0 vs 15.6). On price and in-app purchases 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.
| Parameter | music key | MockMock |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Monthly |
| Ads | — | No |
| In-app purchases | No | No |
| Devices | — | iPhone, iPod — better |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 25 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | iformor | 泽龙 王 |
In-app purchases
music key
No in-app purchases
MockMock
No in-app purchases









