# CertLocker vs Lightspeed Aviation

The clearest difference is in-app purchases: Lightspeed Aviation at none against CertLocker's 4. CertLocker's advantage is iOS requirement (14.0.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. CertLocker sells 4 in-app purchases, starting at $0.99 per month. Lightspeed Aviation asks for nothing beyond the download.

## The numbers

| Metric | CertLocker | Lightspeed Aviation |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | — |
| Monetization | — | Ad-supported |
| Size | 64 MB | 351 MB |
| Requires iOS | **14.0.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Firecal LLC](https://appshunter.io/developer/1710030387) | [Lightspeed Aviation](https://appshunter.io/developer/541925734) |

## What reviewers say

### CertLocker

[App page](https://appshunter.io/ios/app/certlocker/id6468518382)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Responder (Monthly) | $0.99 | per month |
| Officer (Monthly) | $4.99 | per month |
| Responder (Yearly) | $9.99 | per year |
| Officer (Yearly) | $49.99 | per year |


### Lightspeed Aviation

[App page](https://appshunter.io/ios/app/lightspeed-aviation/id6636483867)

This app allows pilots to record radio conversations, playback transmissions, and archive flight recordings for post-flight analysis and training. It aims to enhance safety for pilots and passengers during flights.

**Highlights:** Record radio conversations, Playback transmissions, Archive flight recordings, Draw diagrams, Post-flight briefings, Training tool

**In-app purchases:** none


## Frequently asked questions

### Is CertLocker free?

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

### Is Lightspeed Aviation free?

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

### Do CertLocker or Lightspeed Aviation have ads?

Both CertLocker and Lightspeed Aviation show ads.

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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.*