# Rain Bird Resources vs Doc Fast

Rain Bird Resources and Doc Fast 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.

Rain Bird Resources ships an update monthly, Doc Fast every 2 months. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Rain Bird Resources | Doc Fast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (19 ratings)](https://appshunter.io/ios/app/rain-bird-resources/id1535546464/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 54 MB | 3 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Rain Bird Corporation](https://appshunter.io/developer/958281909) | [Daler Soliev](https://appshunter.io/developer/1857844038) |

## What reviewers say

### Rain Bird Resources

[App page](https://appshunter.io/ios/app/rain-bird-resources/id1535546464)

Access comprehensive reference materials for landscape irrigation professionals. Browse product catalogs, download manuals, and view technical specifications. This app provides easy, on-the-go access to the latest irrigation information with features like search and favorites.

**Highlights:** Product catalog access, Downloadable manuals, Technical specifications, Design guides, Performance specifications, Search functionality, Favorites menu

**Features:** macOS Compatibility

**In-app purchases:** none


### Doc Fast

[App page](https://appshunter.io/ios/app/doc-fast/id6759192717)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rain Bird Resources free?

Rain Bird Resources is free to download, with no in-app purchases.

### Is Doc Fast free?

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

### Do Rain Bird Resources or Doc Fast have ads?

Neither Rain Bird Resources nor Doc Fast shows ads.

### Which is updated more often, Rain Bird Resources or Doc Fast?

Rain Bird Resources ships an update monthly, and Doc Fast every 2 months. Most recently, Rain Bird Resources was updated on October 13, 2026 and Doc Fast on October 17, 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.*