# Whenr Whenr vs DotInk

The clearest difference is review sentiment: Whenr Whenr at 67% against DotInk's 0%. Whenr Whenr also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 3). DotInk's advantage is update cadence (weekly vs every 22 months). On price, ads, 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. Whenr Whenr asks for nothing beyond the download.

Whenr Whenr holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 67% of Whenr Whenr's written reviews are positive against 0% of DotInk's.

Whenr Whenr ships an update every 22 months, DotInk weekly. The most recent releases landed on September 2, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Whenr Whenr | DotInk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/whenr-whenr/id1659481999/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/dotink-eink-assistant/id6754073002/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 11 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Darin Kelkhoff](https://appshunter.io/developer/1659482001) | [业 毕](https://appshunter.io/developer/1850598730) |

## What reviewers say

### Whenr Whenr

[App page](https://appshunter.io/ios/app/whenr-whenr/id1659481999)

This app simplifies complex time calculations, helping you easily determine time differences, future times, and duration sums. It offers an intuitive interface and convenient options to copy, set reminders, or share results.

**Highlights:** Calculate time differences, Determine future times, Sum time durations, Copy results to clipboard, Create reminders from results, Share time calculations

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Whenr Whenr free?

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

### Is DotInk free?

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

### Which has better reviews, Whenr Whenr or DotInk?

Whenr Whenr is rated higher. Whenr Whenr averages 5.0 out of 5 from 4 ratings, while DotInk averages 1.0 from 1 ratings.

### Do Whenr Whenr or DotInk have ads?

Neither Whenr Whenr nor DotInk shows ads.

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

Whenr Whenr ships an update every 22 months, and DotInk weekly. Most recently, Whenr Whenr was updated on September 2, 2026 and DotInk on June 1, 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.*