# Big Butterfly Count vs Lets Talk Clots

The clearest difference is review sentiment: Big Butterfly Count at 77% against Lets Talk Clots's 0%. Lets Talk Clots's advantage is monetization model (free vs ad-supported). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Big Butterfly Count ships an update every 5 weeks, Lets Talk Clots every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Big Butterfly Count | Lets Talk Clots |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/big-butterfly-count/id658158833/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | **77.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 57 MB | 184 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Butterfly Conservation Trading Ltd](https://appshunter.io/developer/658158836) | [vFairs LLC](https://appshunter.io/developer/1349888986) |

## What reviewers say

### Big Butterfly Count

[App page](https://appshunter.io/ios/app/big-butterfly-count/id658158833)

Participate in a national butterfly and moth survey by identifying and counting species in your local environment. Your observations contribute to understanding the health of UK wildlife. Features an identification guide and a map to view submitted sightings.

**Highlights:** Butterfly and moth identification guide, Count and submit sightings, View submitted records on a map, Contribute to wildlife research, 15-minute nature observation

**Features:** Vision Pro support

**In-app purchases:** none


### Lets Talk Clots

[App page](https://appshunter.io/ios/app/lets-talk-clots/id6458789719)

This app offers medically approved information for individuals at risk of or diagnosed with blood clots. It covers reducing risk, recognizing symptoms, diagnosis, recovery, and managing life after a VTE diagnosis, including considerations for pregnancy, travel, and work.

**Highlights:** Blood clot risk reduction, Signs and symptoms of clots, Diagnosis and treatment information, Recovery and symptom management, Life after VTE diagnosis, Pregnancy and family planning advice

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

**In-app purchases:** none


## Frequently asked questions

### Is Big Butterfly Count free?

Big Butterfly Count is free to download, with no in-app purchases.

### Is Lets Talk Clots free?

Lets Talk Clots is free to download, with no in-app purchases.

### Do Big Butterfly Count or Lets Talk Clots have ads?

Neither Big Butterfly Count nor Lets Talk Clots shows ads.

### Which is updated more often, Big Butterfly Count or Lets Talk Clots?

Big Butterfly Count ships an update every 5 weeks, and Lets Talk Clots every 3 weeks. Most recently, Big Butterfly Count was updated on October 29, 2026 and Lets Talk Clots on October 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.*