# Bi vs Lin's Rx

The clearest difference is iOS requirement: Lin's Rx at 11.0 against Bi's 14.0. 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.

Bi ships an update every 2 months, Lin's Rx every 3 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Bi | Lin's Rx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (28 ratings)](https://appshunter.io/ios/app/bi-tapp/id1215862912/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 34 MB | 12 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Bi-Tapp Inc](https://appshunter.io/developer/1456298566) | [Associated Food Stores, Inc.](https://appshunter.io/developer/1223500655) |

## What reviewers say

### Bi

[App page](https://appshunter.io/ios/app/bi-tapp/id1215862912)

This app utilizes patented bilateral tapping technology to help calm the nervous system and reduce stress and anxiety. It aims to increase feelings of safety and calm, improve focus, and enhance sleep quality. The app can be used independently or alongside other relaxation methods.

**Highlights:** Bilateral tapping technology, Anxiety and stress reduction, Improved focus and sleep, Adjustable speed, intensity, and duration, Information tab for usage guidance

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

**In-app purchases:** none


### Lin's Rx

[App page](https://appshunter.io/ios/app/lins-rx/id1596052494)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bi free?

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

### Is Lin's Rx free?

Lin's Rx is free to download, with no in-app purchases.

### Do Bi or Lin's Rx have ads?

Neither Bi nor Lin's Rx shows ads.

### Which is updated more often, Bi or Lin's Rx?

Bi ships an update every 2 months, and Lin's Rx every 3 months. Most recently, Bi was updated on October 9, 2026 and Lin's Rx on October 11, 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.*