# Sonal vs CHIZL

The clearest difference is update cadence: Sonal at every 3 weeks against CHIZL's every 2 months. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Sonal against 5.0 for CHIZL. Both are backed by a comparable volume of ratings — 7 and 8 respectively.

Sonal ships an update every 3 weeks, CHIZL every 2 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sonal | CHIZL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/sonal/id1592485070/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/chizl/id6467258013/reviews) |
| Number of ratings | 7 | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 34 MB | 188 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Wave Neuroscience, Inc](https://appshunter.io/developer/1592485072) | [Cobia Corporation LLC](https://appshunter.io/developer/1511812634) |

## What reviewers say

### Sonal

[App page](https://appshunter.io/ios/app/sonal/id1592485070)

This application connects to a specialized device to administer brain optimization sessions. It allows users to manage their profile, set session parameters, and monitor progress. The app facilitates the transfer of session data to the connected device.

**Highlights:** Connect to Sonal Device, Administer brain optimization sessions, Access Braincare profile, Transfer session parameters, Monitor session progress

**Features:** macOS Compatibility

**In-app purchases:** none


### CHIZL

[App page](https://appshunter.io/ios/app/chizl/id6467258013)

This app offers a comprehensive fitness solution by combining personalized workout plans, custom meal plans, and supplement recommendations. Track your progress, engage with coaches and communities, and connect with wearable devices for a holistic approach to health.

**Highlights:** Weekly training plans, Workout tracking, Exercise video demos, Meal tracking, Habit tracking, Goal setting and progress tracking, Real-time coach messaging, Digital communities

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Sonal free?

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

### Is CHIZL free?

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

### Which has better reviews, Sonal or CHIZL?

Sonal and CHIZL are both rated 5.0 out of 5 on the App Store, from 7 and 8 ratings respectively.

### Do Sonal or CHIZL have ads?

Neither Sonal nor CHIZL shows ads.

### Which is updated more often, Sonal or CHIZL?

Sonal ships an update every 3 weeks, and CHIZL every 2 months. Most recently, Sonal was updated on October 4, 2026 and CHIZL on October 14, 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.*