# SprayGuru vs Hydroreader

The clearest difference is price: Hydroreader at Free against SprayGuru's $449.99. Hydroreader also leads on update cadence (fortnightly vs every 21 months). SprayGuru's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Hydroreader is free to download; SprayGuru costs $449.99 up front. Hydroreader sells 2 in-app purchases, starting at $0.99 per month. SprayGuru asks for nothing beyond the download.

SprayGuru ships an update every 21 months, Hydroreader fortnightly. The most recent releases landed on September 24, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SprayGuru | Hydroreader |
| --- | --- | --- |
| Price | $449.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Fortnightly** |
| Size | 15 MB | 57 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Luis Calvigioni](https://appshunter.io/developer/1460682485) | [Cintelli SA](https://appshunter.io/developer/1828195800) |

## What reviewers say

### SprayGuru

[App page](https://appshunter.io/ios/app/sprayguru/id1460682486)

**Features:** Vision Pro support

**In-app purchases:** none


### Hydroreader

[App page](https://appshunter.io/ios/app/hydroreader/id6748949693)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suscripción Plan Pro | $0.99 | per month |
| Plan Pro Subscription | $4.99 | per month |


## Frequently asked questions

### Is SprayGuru free?

SprayGuru costs $449.99, with no in-app purchases.

### Is Hydroreader free?

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

### Do SprayGuru or Hydroreader have ads?

Neither SprayGuru nor Hydroreader shows ads.

### Which is updated more often, SprayGuru or Hydroreader?

SprayGuru ships an update every 21 months, and Hydroreader fortnightly. Most recently, SprayGuru was updated on September 24, 2026 and Hydroreader on September 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.*