# t(a)ck vs Harbor

The clearest difference is in-app purchases: t(a)ck at none against Harbor's 1. Harbor's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Harbor sells 1 one-off in-app purchase. t(a)ck asks for nothing beyond the download.

## The numbers

| Metric | t(a)ck | Harbor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tack/id6759079984/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free | — |
| Size | 2 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [AMEYA ZAIRA SHELBY](https://appshunter.io/developer/1876735506) | [NYRAI LLC](https://appshunter.io/developer/6773959751) |

## What reviewers say

### t(a)ck

[App page](https://appshunter.io/ios/app/tack/id6759079984)

This app offers a distraction-free reading experience by displaying text word-by-word using Rapid Serial Visual Presentation (RSVP). It allows users to share web articles and read them at adjustable speeds, enhancing focus and comprehension on mobile devices.

**Highlights:** Word-by-word RSVP reading, Adjustable reading speed (200-700 WPM), Smart pacing for punctuation, Distraction-free interface, Resume reading from last position, On-device content extraction

**Features:** macOS Compatibility

**In-app purchases:** none


### Harbor

[App page](https://appshunter.io/ios/app/harbor-read-later-yours/id6784822489)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harbor Unlimited | $12.99 | one-time |


## Frequently asked questions

### Is t(a)ck free?

t(a)ck is free to download, with no in-app purchases.

### Is Harbor free?

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

### Do t(a)ck or Harbor have ads?

Neither t(a)ck nor Harbor shows ads.

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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.*