# DotInk vs somomi

The clearest difference is ads: DotInk at none against somomi's shown. somomi's advantage is update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. DotInk sells 3 in-app purchases, starting at $0.99 per month and somomi sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

DotInk ships an update weekly, somomi every 2 days. The most recent releases landed on September 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DotInk | somomi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dotink-eink-assistant/id6754073002/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 11 MB | 45 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [业 毕](https://appshunter.io/developer/1850598730) | [CHANGWOO LEE](https://appshunter.io/developer/1877624958) |

## What reviewers say

### DotInk

[App page](https://appshunter.io/ios/app/dotink-eink-assistant/id6754073002)

This app helps e-ink device owners customize fonts and convert e-books for their readers. It offers WYSIWYG font editing, e-book formatting, and seamless wireless integration with supported devices. All processing is done offline, prioritizing user privacy.

**Highlights:** WYSIWYG font customization, E-book conversion and formatting, Wireless device integration, Offline processing, Real-time screen simulation, Import TTF fonts

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $5.99 | per year |
| Lifetime Pro | $14.99 | one-time |


### somomi

[App page](https://appshunter.io/ios/app/somomi/id6759244241)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Point | $0.49 | one-time |
| 5000 Point | $2.99 | one-time |


## Frequently asked questions

### Is DotInk free?

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

### Is somomi free?

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

### Do DotInk or somomi have ads?

somomi shows ads; DotInk does not.

### Which is updated more often, DotInk or somomi?

DotInk ships an update weekly, and somomi every 2 days. Most recently, DotInk was updated on September 26, 2026 and somomi on October 10, 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.*