# Bi vs EMDR

The clearest difference is review sentiment: Bi at 62% against EMDR's 0%. Bi also leads on rating (4.3 vs 1.0) and in-app purchases (none vs 3). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. EMDR sells 3 in-app purchases, starting at $3.99 per month. Bi asks for nothing beyond the download.

Bi holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Bi has 29 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 62% of Bi's written reviews are positive against 0% of EMDR's.

Bi ships an update every 2 months, EMDR every 27 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Bi | EMDR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (29 ratings)](https://appshunter.io/ios/app/bi-tapp/id1215862912/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/emdr-bilateral-stimulation/id1612119538/reviews) |
| Number of ratings | **29** | 1 |
| Positive reviews | **61.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 27 months |
| Monetization | Free | Free |
| Size | 34 MB | 53 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bi-Tapp Inc](https://appshunter.io/developer/1456298566) | [Deisy Renteria](https://appshunter.io/developer/1579364093) |

## 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


### EMDR

[App page](https://appshunter.io/ios/app/emdr-bilateral-stimulation/id1612119538)

This app guides users through EMDR therapy techniques to process traumatic memories and reduce distress. It utilizes bilateral stimulation to help reframe negative beliefs and alleviate physiological arousal associated with adverse life experiences.

**Highlights:** EMDR therapy practice, Bilateral stimulation, Traumatic memory processing, Adaptive resolution of adverse experiences, Reduction of physiological arousal, Reframing negative beliefs

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $3.99 | per month |
| Annual Premium Subscription | $24.99 | per year |
| Lifetime Premium Access | $44.99 | one-time |


## Frequently asked questions

### Is Bi free?

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

### Is EMDR free?

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

### Which has better reviews, Bi or EMDR?

Bi is rated higher. Bi averages 4.3 out of 5 from 29 ratings, while EMDR averages 1.0 from 1 ratings.

### Do Bi or EMDR have ads?

Neither Bi nor EMDR shows ads.

### Which is updated more often, Bi or EMDR?

Bi ships an update every 2 months, and EMDR every 27 months. Most recently, Bi was updated on November 2, 2026 and EMDR on November 3, 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.*