# SOS Viewer vs Agrionex

SOS Viewer and Agrionex are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

SOS Viewer ships an update fortnightly, Agrionex every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | SOS Viewer | Agrionex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 66 MB | 72 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tech Tree Sdn Bhd](https://appshunter.io/developer/1756843252) | [AGRIONEX SDN BHD](https://appshunter.io/developer/1862992636) |

## What reviewers say

### SOS Viewer

[App page](https://appshunter.io/ios/app/sos-viewer/id6742965163)

**In-app purchases:** none


### Agrionex

[App page](https://appshunter.io/ios/app/agrionex/id6756806933)

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

**In-app purchases:** none


## Frequently asked questions

### Is SOS Viewer free?

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

### Is Agrionex free?

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

### Do SOS Viewer or Agrionex have ads?

Neither SOS Viewer nor Agrionex shows ads.

### Which is updated more often, SOS Viewer or Agrionex?

SOS Viewer ships an update fortnightly, and Agrionex every 3 weeks. Most recently, SOS Viewer was updated on October 30, 2026 and Agrionex on October 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.*