# Bi vs Bumble BLS

The clearest difference is rating: Bi at 4.3 against Bumble BLS's 3.8. Bi also leads on ratings volume (29 vs 6). Bumble BLS's advantage is update cadence (every 4 weeks vs every 2 months) and iOS requirement (12.0 vs 14.0). On price, review sentiment, 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 holds the better App Store score, 4.3 against 3.8. Both are backed by a comparable volume of ratings — 29 and 6 respectively. Written reviews point the same way: 62% of Bi's written reviews are positive against 60% of Bumble BLS's.

Bi ships an update every 2 months, Bumble BLS every 4 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Bi | Bumble BLS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (29 ratings)](https://appshunter.io/ios/app/bi-tapp/id1215862912/reviews)** | [3.8 (6 ratings)](https://appshunter.io/ios/app/bumble-bls/id1575441867/reviews) |
| Number of ratings | **29** | 6 |
| Positive reviews | **61.5% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 64 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bi-Tapp Inc](https://appshunter.io/developer/1456298566) | [BUMBLE BLS LLC](https://appshunter.io/developer/1575441869) |

## 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


### Bumble BLS

[App page](https://appshunter.io/ios/app/bumble-bls/id1575441867)

This app controls a bilateral stimulation system for therapeutic use. It offers wireless control of audio and visual BLS, syncing with specialized devices for children and adults. Designed for Play Therapy and EMDR, it provides a seamless integration for therapeutic sessions.

**Highlights:** Wireless control of BLS devices, Syncs with therapeutic audio, Syncs with therapeutic visuals, Designed for Play Therapy, Supports EMDR therapy, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bi free?

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

### Is Bumble BLS free?

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

### Which has better reviews, Bi or Bumble BLS?

Bi is rated higher. Bi averages 4.3 out of 5 from 29 ratings, while Bumble BLS averages 3.8 from 6 ratings.

### Do Bi or Bumble BLS have ads?

Neither Bi nor Bumble BLS shows ads.

### Which is updated more often, Bi or Bumble BLS?

Bi ships an update every 2 months, and Bumble BLS every 4 weeks. Most recently, Bi was updated on October 24, 2026 and Bumble BLS on October 24, 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.*