---
title: "Reviews — 4gb micro sd card - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/4gb-micro-sd-card/reviews"
last_updated: "2026-08-06T17:06:10.278Z"
locale: en
meta:
  description: "Niche score 47/100 · $46K/yr market · 31K searches/yr · $17.52 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 47/100 · $46K/yr market · 31K searches/yr · $17.52 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — 4gb micro sd card - Flapen"
---

# **4gb micro sd card**

**Skip it**

A small market ($46K/yr) — this niche doesn't clear our bar today.

Market size 12Growth 44Conversion 81Competition 24Returns 91Price range 76Avg price 81Brand share 28Review moat 25Quality gap 63

**Returns**

**Great****1.2%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****8.6%**

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

**Avg price**

**Great****$17.52**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$8.36–$35.64**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Growth**

**Okay****+14.9%**

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

**Brand share**

**Okay****88%**

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

**Review moat**

**Bad****4,198.72**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$46K**

$46K/yr · 31K searches

## Reviews