---
title: "Reviews — casio fx-991ex - Flapen"
canonical_url: "https://flapen.com/research/ae/office-products/casio-fx-991ex/reviews"
last_updated: "2026-07-30T20:18:09.035Z"
locale: en
meta:
  description: "Niche score 56/100 · $619K/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 56/100 · $619K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — casio fx-991ex - Flapen"
---

# **casio fx-991ex**

**Worth a look**

Shows a sweet-spot price point ($60.96 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 65Growth 36Conversion 42Competition 77Returns 71Price range 73Avg price 89Brand share 31Review moat 46Quality gap 48

**Avg price**

**Great****$60.96**

avg listing price — sweet spot $15–$100

**Competition**

**Great****38%**

top-5 click share — an open shelf

**Price range**

**Good****$13.42–$129.27**

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

**Returns**

**Good****2.2%**

return rate — above 5% kills the launch gate

**Market size**

**Good****$619K**

$619K/yr · 304K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****1,871.26**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Okay****3.3%**

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

**Growth**

**Okay****+8.5%**

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

**Brand share**

**Okay****87%**

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

**Signals**[** High Price**](https://flapen.com/research/niches?market=ae&signal=high_price "Avg price > $50")