---
title: "Products — calculators - Flapen"
canonical_url: "https://flapen.com/research/uk/stationery-office-supplies/calculators/products"
last_updated: "2026-07-31T10:32:59.119Z"
locale: en
meta:
  description: "Niche score 58/100 · £1.2M/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 58/100 · £1.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — calculators - Flapen"
---

# **calculators**

**Worth a look**

Shows low returns (0.9%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 81Growth 21Conversion 77Competition 57Returns 96Price range 78Avg price 58Brand share 44Review moat 24Quality gap 42

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Market size**

**Great****£1.2M**

£1.2M/yr · 1.2M searches

**Price range**

**Great****£4.49–£53.99**

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

**Conversion**

**Great****7.5%**

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

**Avg price**

**Good****£13.01**

avg listing price — sweet spot $15–$100

**Competition**

**Good****51%**

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

**Brand share**

**Okay****79%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****5,105**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-8.3%**

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