# Bethany Navajeevan CBSE vs Sigma Science Education

The clearest difference is iOS requirement: Sigma Science Education at 15.1 against Bethany Navajeevan CBSE's 17.0. On price, update cadence, 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.

Bethany Navajeevan CBSE ships an update every 18 months, Sigma Science Education every 14 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Bethany Navajeevan CBSE | Sigma Science Education |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 14 months** |
| Size | 129 MB | 71 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BSRAI EDUTECH PRIVATE LIMITED](https://appshunter.io/developer/1420486690) | [Sigma Science - Online](https://appshunter.io/developer/1704733809) |

## What reviewers say

### Bethany Navajeevan CBSE

[App page](https://appshunter.io/ios/app/bethany-navajeevan-cbse/id1435758313)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sigma Science Education

[App page](https://appshunter.io/ios/app/sigma-science-education/id6463662794)

**In-app purchases:** none


## Frequently asked questions

### Is Bethany Navajeevan CBSE free?

Bethany Navajeevan CBSE is free to download, with no in-app purchases.

### Is Sigma Science Education free?

Sigma Science Education is free to download, with no in-app purchases.

### Do Bethany Navajeevan CBSE or Sigma Science Education have ads?

Neither Bethany Navajeevan CBSE nor Sigma Science Education shows ads.

### Which is updated more often, Bethany Navajeevan CBSE or Sigma Science Education?

Bethany Navajeevan CBSE ships an update every 18 months, and Sigma Science Education every 14 months. Most recently, Bethany Navajeevan CBSE was updated on October 26, 2026 and Sigma Science Education on October 27, 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.*