# NDAA vs EngliskPEP

The clearest difference is in-app purchases: EngliskPEP at none against NDAA's 10. NDAA's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. NDAA sells 10 one-off in-app purchases. EngliskPEP asks for nothing beyond the download.

NDAA ships an update every 3 weeks, EngliskPEP every 5 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | NDAA | EngliskPEP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 63 MB | 874 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Intelligent Meeting Solution, Ltd](https://appshunter.io/developer/1403224760) | [著显 朱](https://appshunter.io/developer/509801283) |

## What reviewers say

### NDAA

[App page](https://appshunter.io/ios/app/ndaa/id1403224761)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 学币 | $4.99 | one-time |
| 68 学币 | $9.99 | one-time |
| 108 学币 | $15.99 | one-time |
| 188 学币 | $27.99 | one-time |
| 288 学币 | $45.99 | one-time |
| 588 学币 | $89.99 | one-time |
| 998 学币 | $149.99 | one-time |
| 1998 学币 | $299.99 | one-time |
| 2998 学币 | $449.99 | one-time |
| 4998 学币 | $799.99 | one-time |


### EngliskPEP

[App page](https://appshunter.io/ios/app/engliskpep-grades-3-6/id1509418304)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NDAA free?

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

### Is EngliskPEP free?

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

### Do NDAA or EngliskPEP have ads?

EngliskPEP shows ads; NDAA does not.

### Which is updated more often, NDAA or EngliskPEP?

NDAA ships an update every 3 weeks, and EngliskPEP every 5 months. Most recently, NDAA was updated on November 6, 2026 and EngliskPEP on November 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.*