# PROMT Agent vs Hydra Agent

The clearest difference is update cadence: Hydra Agent at every 2 months against PROMT Agent's every 35 months. PROMT Agent's advantage is iOS requirement (8.0 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.

PROMT Agent ships an update every 35 months, Hydra Agent every 2 months. The most recent releases landed on September 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | PROMT Agent | Hydra Agent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 2 months** |
| Size | 3 MB | 38 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PROMT](https://appshunter.io/developer/490137661) | [DIALOGA GROUP, LLC](https://appshunter.io/developer/441721427) |

## What reviewers say

### PROMT Agent

[App page](https://appshunter.io/ios/app/promt-agent/id1070482174)

**In-app purchases:** none


### Hydra Agent

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

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

**In-app purchases:** none


## Frequently asked questions

### Is PROMT Agent free?

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

### Is Hydra Agent free?

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

### Do PROMT Agent or Hydra Agent have ads?

Neither PROMT Agent nor Hydra Agent shows ads.

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

PROMT Agent ships an update every 35 months, and Hydra Agent every 2 months. Most recently, PROMT Agent was updated on September 11, 2026 and Hydra Agent on September 24, 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.*