# AVNAIS E vs NCERT KATBOOK

The clearest difference is update cadence: NCERT KATBOOK at every 8 days against AVNAIS E's every 3 weeks. 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.

AVNAIS E ships an update every 3 weeks, NCERT KATBOOK every 8 days. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AVNAIS E | NCERT KATBOOK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 244 MB | 68 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AAAMT Verticals Private Limited](https://appshunter.io/developer/1819459821) | [sarath kakumanu](https://appshunter.io/developer/1317292488) |

## What reviewers say

### AVNAIS E

[App page](https://appshunter.io/ios/app/avnais-e-tel/id6498709195)

**Features:** macOS Compatibility

**In-app purchases:** none


### NCERT KATBOOK

[App page](https://appshunter.io/ios/app/ncert-katbook/id6753007971)

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

**In-app purchases:** none


## Frequently asked questions

### Is AVNAIS E free?

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

### Is NCERT KATBOOK free?

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

### Do AVNAIS E or NCERT KATBOOK have ads?

Neither AVNAIS E nor NCERT KATBOOK shows ads.

### Which is updated more often, AVNAIS E or NCERT KATBOOK?

AVNAIS E ships an update every 3 weeks, and NCERT KATBOOK every 8 days. Most recently, AVNAIS E was updated on October 20, 2026 and NCERT KATBOOK on October 10, 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.*