# Montana Field Guide vs Deckwise

The clearest difference is in-app purchases: Montana Field Guide at none against Deckwise's 2. Montana Field Guide also leads on ads (none vs shown). Deckwise's advantage is update cadence (every 5 days vs fortnightly) and iOS requirement (13.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Deckwise sells 2 in-app purchases, starting at $2.99 per month. Montana Field Guide asks for nothing beyond the download.

Montana Field Guide ships an update fortnightly, Deckwise every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Montana Field Guide | Deckwise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/montana-field-guide/id6761426711/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | — |
| Size | 329 MB | 42 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MARTY RADD ICENOGGLE](https://appshunter.io/developer/1889552803) | [KANDK](https://appshunter.io/developer/1867080143) |

## What reviewers say

### Montana Field Guide

[App page](https://appshunter.io/ios/app/montana-field-guide/id6761426711)

Explore Montana's biodiversity with this offline-first field guide. Discover species through browsing, powerful search, and detailed profiles featuring photos, maps, and conservation information. Ideal for naturalists, educators, and outdoor enthusiasts.

**Highlights:** Offline-first reference app, Browse by clades (mammals, birds, plants, etc.), Powerful search by name and characteristics, Detailed species profiles with photos and maps, Seasonal discovery and curated collections, Compare species side-by-side

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

**In-app purchases:** none


### Deckwise

[App page](https://appshunter.io/ios/app/deckwise-flashcards/id6787350926)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deckwise Pro Monthly | $2.99 | per month |
| Deckwise Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Montana Field Guide free?

Montana Field Guide is free to download, with no in-app purchases.

### Is Deckwise free?

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

### Do Montana Field Guide or Deckwise have ads?

Deckwise shows ads; Montana Field Guide does not.

### Which is updated more often, Montana Field Guide or Deckwise?

Montana Field Guide ships an update fortnightly, and Deckwise every 5 days. Most recently, Montana Field Guide was updated on October 24, 2026 and Deckwise on October 25, 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.*