# Egern vs Idum Authenticator

The clearest difference is update cadence: Idum Authenticator at every 2 days against Egern's every 2 weeks. Egern's advantage is device support (3 vs 1) and iOS requirement (16 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Egern sells 1 one-off in-app purchase and Idum Authenticator sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Egern ships an update every 2 weeks, Idum Authenticator every 2 days. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Egern | Idum Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (79 ratings)](https://appshunter.io/ios/app/egern/id1616105820/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | 56.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 9 MB |
| Requires iOS | **16** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Byte Crossing](https://appshunter.io/developer/1562957268) | [IDUM](https://appshunter.io/developer/6776361265) |

## What reviewers say

### Egern

[App page](https://appshunter.io/ios/app/egern/id1616105820)

This app is a powerful network analysis tool for proxying, intercepting, and modifying network traffic. It offers comprehensive recording of various protocols and supports extensive rule types for flexible traffic management. Users can decrypt HTTPS, rewrite URLs and headers, and utilize JavaScript for custom operations.

**Highlights:** Network traffic recording (TCP, UDP, DNS, HTTP), Extensive rule types for traffic control, Multiple proxy protocol support, HTTPS traffic decryption, URL and header rewriting, JavaScript for custom operations, iCloud configuration sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $5.99 | one-time |


### Idum Authenticator

[App page](https://appshunter.io/ios/app/idum-authenticator/id6801459486)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Idum Authenticator Pro Weekly | $3.99 | per 7 days |
| Idum Authenticator Pro Yearly | $29.99 | per year |
| Idum Authenticator Lifetime | $69.00 | one-time |


## Frequently asked questions

### Is Egern free?

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

### Is Idum Authenticator free?

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

### Do Egern or Idum Authenticator have ads?

Neither Egern nor Idum Authenticator shows ads.

### Which is updated more often, Egern or Idum Authenticator?

Egern ships an update every 2 weeks, and Idum Authenticator every 2 days. Most recently, Egern was updated on October 10, 2026 and Idum Authenticator on September 30, 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.*