# ETNA connect vs Sentinelr

The clearest difference is update cadence: Sentinelr at fortnightly against ETNA connect's every 24 months. ETNA connect's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ETNA connect ships an update every 24 months, Sentinelr fortnightly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ETNA connect | Sentinelr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Fortnightly** |
| Size | 196 MB | 53 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [ConnectLife, LLC.](https://appshunter.io/developer/1600872348) | [TEK HIVE LLC](https://appshunter.io/developer/6783405829) |

## What reviewers say

### ETNA connect

[App page](https://appshunter.io/ios/app/etna-connect/id1619093374)

**In-app purchases:** none


### Sentinelr

[App page](https://appshunter.io/ios/app/sentinelr/id6783405827)

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

**In-app purchases:** none


## Frequently asked questions

### Is ETNA connect free?

ETNA connect is free to download, with no in-app purchases.

### Is Sentinelr free?

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

### Do ETNA connect or Sentinelr have ads?

Neither ETNA connect nor Sentinelr shows ads.

### Which is updated more often, ETNA connect or Sentinelr?

ETNA connect ships an update every 24 months, and Sentinelr fortnightly. Most recently, ETNA connect was updated on October 27, 2026 and Sentinelr on October 28, 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.*