# Jotron EPIRB vs Keylet

The clearest difference is in-app purchases: Jotron EPIRB at none against Keylet's 3. Jotron EPIRB also leads on iOS requirement (14.0 vs 16.4). Keylet's advantage is update cadence (every 5 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Keylet sells 3 in-app purchases, starting at $2.99 per month. Jotron EPIRB asks for nothing beyond the download.

Jotron EPIRB ships an update every 8 months, Keylet every 5 days. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Jotron EPIRB | Keylet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/jotron-epirb/id1673048560/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 47 MB | 108 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jotron AS](https://appshunter.io/developer/1673048562) | [Studio Fifteen](https://appshunter.io/developer/1470310980) |

## What reviewers say

### Jotron EPIRB

[App page](https://appshunter.io/ios/app/jotron-epirb/id1673048560)

This utility configures and reads programming data from Jotron Tron AIS EPIRBs using NFC. Full programming requires a separate license, typically granted to Jotron customers who complete specific training. It offers the same functionality as the desktop software.

**Highlights:** Configure Jotron Tron AIS EPIRBs, Read programmed beacon data, NFC reader integration, Desktop software alternative, License required for full programming

**In-app purchases:** none


### Keylet

[App page](https://appshunter.io/ios/app/keylet-2fa-authenticator/id6779371596)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keylet Pro – Monthly | $2.99 | per month |
| Keylet Pro – Yearly | $12.99 | per year |
| Keylet Pro – Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is Jotron EPIRB free?

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

### Is Keylet free?

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

### Do Jotron EPIRB or Keylet have ads?

Neither Jotron EPIRB nor Keylet shows ads.

### Which is updated more often, Jotron EPIRB or Keylet?

Jotron EPIRB ships an update every 8 months, and Keylet every 5 days. Most recently, Jotron EPIRB was updated on June 1, 2026 and Keylet on September 17, 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.*