# BilateralBase vs Theta Waves

The clearest difference is review sentiment: Theta Waves at 80% against BilateralBase's 0%. Theta Waves also leads on ratings volume (379 vs 1). BilateralBase's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 2 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Theta Waves sells 2 in-app purchases, starting at $9.99 per month. BilateralBase asks for nothing beyond the download.

BilateralBase holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Theta Waves has 379 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of BilateralBase's written reviews are positive against 80% of Theta Waves's, so the app with the better star average is not the one people write more warmly about.

BilateralBase ships an update fortnightly, Theta Waves every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BilateralBase | Theta Waves |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bilateralbase/id1561326248/reviews)** | [4.7 (379 ratings)](https://appshunter.io/ios/app/theta-waves-binaural-beats/id6737763451/reviews) |
| Number of ratings | 1 | **379** |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 36 MB | 72 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BilateralBase](https://appshunter.io/developer/1561326250) | [Vivi Well Calm Limited](https://appshunter.io/developer/1718971142) |

## What reviewers say

### BilateralBase

[App page](https://appshunter.io/ios/app/bilateralbase/id1561326248)

This app provides an optimized EMDR therapy experience for iPad and iPhone users. It allows seamless joining of online therapy sessions via a therapist-provided link, ensuring all tools are available and the session is optimized for your device.

**Highlights:** Optimized EMDR therapy experience, Seamless online session joining, Therapist-provided link integration, Tool availability for therapy sessions, Device optimization for iPad/iPhone

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

**In-app purchases:** none


### Theta Waves

[App page](https://appshunter.io/ios/app/theta-waves-binaural-beats/id6737763451)

Enhance sleep, focus, and relaxation with a diverse library of scientifically backed sounds. Utilize binaural beats, healing frequencies, and nature sounds to harmonize brainwaves and achieve mental balance.

**Highlights:** Diverse sound library (Theta Waves, Binaural Beats, Healing Frequencies, Nature Sounds, White Noise), Customizable timers, Scientifically backed brainwave entrainment, Improved sleep quality, Enhanced focus and productivity, Deeper meditation, Stress reduction

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MonthlyPremium | $9.99 | per month |
| AnnualPremium | $39.99 | per year |


## Frequently asked questions

### Is BilateralBase free?

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

### Is Theta Waves free?

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

### Which has better reviews, BilateralBase or Theta Waves?

BilateralBase is rated higher. BilateralBase averages 5.0 out of 5 from 1 ratings, while Theta Waves averages 4.7 from 379 ratings.

### Do BilateralBase or Theta Waves have ads?

Neither BilateralBase nor Theta Waves shows ads.

### Which is updated more often, BilateralBase or Theta Waves?

BilateralBase ships an update fortnightly, and Theta Waves every 2 months. Most recently, BilateralBase was updated on November 3, 2026 and Theta Waves on October 30, 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.*