Smart Cover vs Mrink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Cover
This app allows users to cast content to an e-ink screen with a simple touch. It offers themed screen casting and custom editing options for personalized displays.
- E-ink screen casting
- Themed screen casting
- Customizable screen editing
- One-touch casting
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这是一款轻轻触碰即可投屏的墨水屏App，主要功能有： -主题投屏 -自定义编辑投屏
Mrink
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Introduction:Mrink is an application that can be connected to the phone case with E-ink screen. Users can create DIY characters and patterns to cast the screen, or take photos to cast the screen instantly. It’s an innovative product to make users interested and unexpected.
Screenshots
Verdict
Smart Cover and Mrink are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 18, 2026 and May 17, 2026 respectively.
| Parameter | Smart Cover | Mrink |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | DKC Technology Co., Ltd. | Shenzhen UR Innovation Technology CO.,LTD |
In-app purchases
Smart Cover
No in-app purchases
Mrink
No in-app purchases
