# Darpan (Chennai) vs Brain Accelerator mastery

The clearest difference is update cadence: Brain Accelerator mastery at monthly against Darpan (Chennai)'s every 5 months. Brain Accelerator mastery also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Darpan (Chennai) ships an update every 5 months, Brain Accelerator mastery monthly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Darpan (Chennai) | Brain Accelerator mastery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 26 MB | 67 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [The Appsolutes](https://appshunter.io/developer/866760998) | [Unstoppable Wisdom](https://appshunter.io/developer/1761557861) |

## What reviewers say

### Darpan (Chennai)

[App page](https://appshunter.io/ios/app/darpan-chennai/id989125166)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Accelerator mastery

[App page](https://appshunter.io/ios/app/brain-accelerator-mastery/id6615078894)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Darpan (Chennai) free?

Darpan (Chennai) is free to download, with no in-app purchases.

### Is Brain Accelerator mastery free?

Brain Accelerator mastery is free to download, with no in-app purchases.

### Do Darpan (Chennai) or Brain Accelerator mastery have ads?

Neither Darpan (Chennai) nor Brain Accelerator mastery shows ads.

### Which is updated more often, Darpan (Chennai) or Brain Accelerator mastery?

Darpan (Chennai) ships an update every 5 months, and Brain Accelerator mastery monthly. Most recently, Darpan (Chennai) was updated on October 14, 2026 and Brain Accelerator mastery on October 7, 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.*