# CertiFlyers vs Firearms Knowledge Compact

The clearest difference is update cadence: Firearms Knowledge Compact at every 5 days against CertiFlyers's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CertiFlyers sells 18 in-app purchases, starting at $199.00 per year and Firearms Knowledge Compact sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CertiFlyers ships an update every 2 months, Firearms Knowledge Compact every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CertiFlyers | Firearms Knowledge Compact |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 46 MB | 37 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CertiFlyers](https://appshunter.io/developer/1837112320) | [Christian Hermann](https://appshunter.io/developer/1882361365) |

## What reviewers say

### CertiFlyers

[App page](https://appshunter.io/ios/app/certiflyers/id6751835882)

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ind. learner 1 year subscription | $199.00 | per year |
| Advanced Workplace Eye Protection | $7.49 | one-time |
| Advanced Workplace Eye Protection | $9.99 | one-time |
| The Dirty Dozen Human Factors | $12.99 | one-time |
| Fall Prevention | $12.99 | one-time |
| Confined Space Entry | $12.99 | one-time |
| Global Hazard Communication | $12.99 | one-time |
| Fuel Tank Leak Detection | $12.99 | one-time |
| Personal Protection Equipment | $12.99 | one-time |
| Respiratory Protection | $12.99 | one-time |
| Maintenance Documentation | $12.99 | one-time |
| Human Factors Primer | $12.99 | one-time |
| Fastener ID and Selection | $12.99 | one-time |
| Advanced Workplace Eye Protection | $12.99 | one-time |
| Subscription Ent. 12 month-1 user | $179.00 | one-time |
| Subscription Pro 12 month - 1 User | $219.00 | one-time |
| Learner 12 month Subscription | $289.00 | one-time |
| Subscription Basic 12 month 1user | $289.00 | one-time |


### Firearms Knowledge Compact

[App page](https://appshunter.io/ios/app/firearms-knowledge-compact/id6772994944)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Firearms Knowledge Complete | $3.99 | one-time |


## Frequently asked questions

### Is CertiFlyers free?

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

### Is Firearms Knowledge Compact free?

Firearms Knowledge Compact is free to download, with in-app purchases available.

### Do CertiFlyers or Firearms Knowledge Compact have ads?

Neither CertiFlyers nor Firearms Knowledge Compact shows ads.

### Which is updated more often, CertiFlyers or Firearms Knowledge Compact?

CertiFlyers ships an update every 2 months, and Firearms Knowledge Compact every 5 days. Most recently, CertiFlyers was updated on October 24, 2026 and Firearms Knowledge Compact on October 25, 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.*