# Monarch SOS vs MonarchPatch

The clearest difference is in-app purchases: Monarch SOS at none against MonarchPatch's 4. Monarch SOS also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 8 months). On price there is nothing between them.

Both are free to download. MonarchPatch sells 4 in-app purchases, starting at $0.99 per month. Monarch SOS asks for nothing beyond the download.

Monarch SOS ships an update every 5 weeks, MonarchPatch every 8 months. The most recent releases landed on July 4, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Monarch SOS | MonarchPatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (18 ratings)](https://appshunter.io/ios/app/monarch-sos/id956347677/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 8 months |
| Monetization | Free | — |
| Size | 176 MB | 48 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Naturedigger LLC](https://appshunter.io/developer/658672412) | [Cetalingua, LLC](https://appshunter.io/developer/1867026326) |

## What reviewers say

### Monarch SOS

[App page](https://appshunter.io/ios/app/monarch-sos/id956347677)

Identify monarch butterflies and their host plants with this comprehensive field guide. Learn about their life cycle, threats, and conservation efforts. Compare look-alike species and stay updated on migration news.

**Highlights:** Monarch identification guide, Life cycle stages, Confusing look-alike comparison, Milkweed species identification, Conservation efforts information, Migration news updates

**In-app purchases:** none


### MonarchPatch

[App page](https://appshunter.io/ios/app/monarchpatch/id6757447255)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter Monthly | $0.99 | per month |
| Partner Monthly | $9.99 | per month |
| Supporter Yearly | $9.99 | per year |
| Partner Yearly | $99.99 | per year |


## Frequently asked questions

### Is Monarch SOS free?

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

### Is MonarchPatch free?

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

### Do Monarch SOS or MonarchPatch have ads?

MonarchPatch shows ads; Monarch SOS does not.

### Which is updated more often, Monarch SOS or MonarchPatch?

Monarch SOS ships an update every 5 weeks, and MonarchPatch every 8 months. Most recently, Monarch SOS was updated on July 4, 2026 and MonarchPatch on September 13, 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.*