# Reink vs Sun

The clearest difference is iOS requirement: Reink at 17.0 against Sun's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Reink ships an update every 2 weeks, Sun every 9 days. The most recent releases landed on November 3, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Reink | Sun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (25 ratings)](https://appshunter.io/ios/app/reink-e-ink-screen-manager/id6444255484/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 151 MB | 8 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Shenzhen Wiwood Technology .,Ltd](https://appshunter.io/developer/1657906548) | [Manish Adhikari](https://appshunter.io/developer/1868162901) |

## What reviewers say

### Reink

[App page](https://appshunter.io/ios/app/reink-e-ink-screen-manager/id6444255484)

This app allows users to customize and manage color e-ink screen phone cases and anti-loss devices. Instantly change displayed images, optimize portraits, and access themed content. It also supports e-ink trackers for locating lost items.

**Highlights:** Instant image display on e-ink cases, Customizable phone case pictures, Optimized portrait display, Themed image selection, E-ink screen item tracker, NFC passive image transfer, Global positioning for trackers

**Features:** macOS Compatibility

**In-app purchases:** none


### Sun

[App page](https://appshunter.io/ios/app/sun-i/id6757664161)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Reink free?

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

### Is Sun free?

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

### Do Reink or Sun have ads?

Neither Reink nor Sun shows ads.

### Which is updated more often, Reink or Sun?

Reink ships an update every 2 weeks, and Sun every 9 days. Most recently, Reink was updated on November 3, 2026 and Sun on October 22, 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.*