# Hydra Agent vs ARECall

The clearest difference is update cadence: Hydra Agent at every 2 months against ARECall's every 20 months. ARECall's advantage is iOS requirement (11.0 vs 16.0). 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.

Hydra Agent ships an update every 2 months, ARECall every 20 months. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Hydra Agent | ARECall |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 20 months |
| Size | 38 MB | 75 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DIALOGA GROUP, LLC](https://appshunter.io/developer/441721427) | [SPARK TECHNOLOGIES CO., LTD.](https://appshunter.io/developer/1533217818) |

## What reviewers say

### Hydra Agent

[App page](https://appshunter.io/ios/app/hydra-agent/id1340796237)

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

**In-app purchases:** none


### ARECall

[App page](https://appshunter.io/ios/app/arecall/id6443495775)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hydra Agent free?

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

### Is ARECall free?

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

### Do Hydra Agent or ARECall have ads?

Neither Hydra Agent nor ARECall shows ads.

### Which is updated more often, Hydra Agent or ARECall?

Hydra Agent ships an update every 2 months, and ARECall every 20 months. Most recently, Hydra Agent was updated on September 24, 2026 and ARECall on September 18, 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.*