# Nautical Calculator. vs CertTrack

The clearest difference is update cadence: CertTrack at weekly against Nautical Calculator.'s every 6 months. Nautical Calculator.'s advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Nautical Calculator. sells 1 one-off in-app purchase and CertTrack sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Nautical Calculator. ships an update every 6 months, CertTrack weekly. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Nautical Calculator. | CertTrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/certtrack-certifications/id6760606268/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 71 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) | [OLEG STASYUK](https://appshunter.io/developer/1882145619) |

## What reviewers say

### Nautical Calculator.

[App page](https://appshunter.io/ios/app/nautical-calculator/id6755711720)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


### CertTrack

[App page](https://appshunter.io/ios/app/certtrack-certifications/id6760606268)

Securely store and manage all your professional credentials, licenses, and subscriptions. Get automated reminders for renewals and track continuing education credits with ease. Your career portfolio, organized and accessible.

**Highlights:** Digital credential vault, Automated renewal reminders, Continuing education tracking, Offline-first security, Data portability, Budgeting for renewals

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |


## Frequently asked questions

### Is Nautical Calculator. free?

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

### Is CertTrack free?

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

### Do Nautical Calculator. or CertTrack have ads?

Neither Nautical Calculator. nor CertTrack shows ads.

### Which is updated more often, Nautical Calculator. or CertTrack?

Nautical Calculator. ships an update every 6 months, and CertTrack weekly. Most recently, Nautical Calculator. was updated on October 13, 2026 and CertTrack on October 20, 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.*