# iKnowNow vs CyberAce Cert Prep

The clearest difference is price: iKnowNow at Free against CyberAce Cert Prep's $0.99. CyberAce Cert Prep's advantage is update cadence (daily vs every 2 months) and iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

iKnowNow is free to download; CyberAce Cert Prep costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iKnowNow ships an update every 2 months, CyberAce Cert Prep daily. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | iKnowNow | CyberAce Cert Prep |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 44 MB | 34 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [MOL INFORMATION TECHNOLOGY INDIA PRIVATE LIMITED](https://appshunter.io/developer/1529598614) | [Polemics Applications LLC](https://appshunter.io/developer/482504032) |

## What reviewers say

### iKnowNow

[App page](https://appshunter.io/ios/app/iknownow/id1660900340)

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

**In-app purchases:** none


### CyberAce Cert Prep

[App page](https://appshunter.io/ios/app/cyberace-cert-prep/id6745162959)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iKnowNow free?

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

### Is CyberAce Cert Prep free?

CyberAce Cert Prep costs $0.99, with no in-app purchases.

### Do iKnowNow or CyberAce Cert Prep have ads?

Neither iKnowNow nor CyberAce Cert Prep shows ads.

### Which is updated more often, iKnowNow or CyberAce Cert Prep?

iKnowNow ships an update every 2 months, and CyberAce Cert Prep daily. Most recently, iKnowNow was updated on October 5, 2026 and CyberAce Cert Prep on October 15, 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.*