---
title: "Reviews — calci worms - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/calci-worms/reviews"
last_updated: "2026-07-31T21:43:24.956Z"
locale: en
meta:
  description: "Niche score 64/100 · £210K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 64/100 · £210K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — calci worms - Flapen"
---

# **calci worms**

**Worth a look**

Shows searches that convert (21.4% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 41Growth 82Conversion 100Competition 57Returns 100Price range 75Avg price 77Brand share 33Review moat 72Quality gap 27

**Conversion**

**Incredible****21.4%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Growth**

**Great****+78.5%**

90-day search growth — must beat 0% to launch

**Avg price**

**Great****£15.68**

avg listing price — sweet spot $15–$100

**Price range**

**Great****£4.03–£48.58**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Good****612.64**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****51%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****£210K**

£210K/yr · 63K searches

**Brand share**

**Okay****85%**

top-5 brand share — brands hold most of the demand

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality