mortgage payment calculator
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$39.06avg listing price — sweet spot $15–$100
Price range
Incredible$23.09–$55.60cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.9%search→purchase rate — share of searches ending in a sale
Returns
Good2.6%return rate — above 5% kills the launch gate
Review moat
Okay2,941.3avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad85%top-5 click share — a locked-up shelf
Market size
Bad$40K$40K/yr · 15K searches
Growth
Bad-42.4%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, mortgage payment calculator is a $40K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Skip it — 31/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
mortgage payment calculator market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $59K–$78K
- units × avg price
- Conversion rate
- 6.9%
- Avg BSR
- #103
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 70%
- Out of stock
- 0.0%
- Avg brand age
- 94 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
131
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
85%
Top 20: 100%
Open market
0%
- Calculated Industries72%
- HP12%
- CATIGA10%
- Texas Instruments3%
- Victor3%
Demand & seasonality
Weekly Amazon search volume, last 98 weeks — -42.4% search growth over the last 90 days.Peak months: Jan, Feb, Dec · busiest ÷ quietest = 3.9×
Top mortgage payment calculator search terms
- mortgage calculator8K/yr
- real estate calculator6K/yr
- mortgage calculators242/yr
Top mortgage payment calculator products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Calculated Industries 3405 Real Estate Master IIIx Residential Real Estate Finance Calculator | Clearly-Labeled Function Keys | Simplest Operation | Solves Payments Amortizations ARMs Combos More
Calculated Industries$23.094.6★1,066 rev

Calculated Industries 3415 Qualifier Plus IIIx Advanced Real Estate Mortgage Finance Calculator | Simple Operation | Buyer Pre-Qualifying | Solves Payments Amortization ARMs Combos FHA VA More
Calculated Industries$49.254.7★943 rev

Calculated Industries 3400 Pocket Real Estate Master Financial Calculator
Calculated Industries$27.184.6★528 rev

CATIGA Financial Calculator Business Analyst Master TVM IRR NPV Cash Flow Amortization & Break-Even Perfect for Real Estate Banking Accounting & Finance Professionals 10-Digit LCD CF-300
CATIGA$37.904.7★51 rev

HP 12C Financial Calculator 120+ Functions: TVM NPV IRR Amortization Bond Calculations Programmable Keys RPN Desktop Calculator for Finance Accounting & Real Estate Includes Case + Cloth
HP$48.814.7★102 rev
Newest
by launch date
CATIGA Financial Calculator Business Analyst Master TVM IRR NPV Cash Flow Amortization & Break-Even Perfect for Real Estate Banking Accounting & Finance Professionals 10-Digit LCD CF-300
CATIGA$37.9051 rev

HP 12C Financial Calculator 120+ Functions: TVM NPV IRR Amortization Bond Calculations Programmable Keys RPN Desktop Calculator for Finance Accounting & Real Estate Includes Case + Cloth
HP$48.81102 rev

HP 10bII+ Financial Calculator 100+ Functions for Business Finance Accounting Statistics & Algebra College & High School Calculator Exam Approved for SAT AP PSAT Includes Case & Cloth
HP$38.163,244 rev

Victor 6500 Executive Desktop Loan Calculator 12-Digit LCD
Victor$24.62322 rev

Calculated Industries 3405 Real Estate Master IIIx Residential Real Estate Finance Calculator | Clearly-Labeled Function Keys | Simplest Operation | Solves Payments Amortizations ARMs Combos More
Calculated Industries$23.091,066 rev
Trending
90-day click momentum
CATIGA Financial Calculator Business Analyst Master TVM IRR NPV Cash Flow Amortization & Break-Even Perfect for Real Estate Banking Accounting & Finance Professionals 10-Digit LCD CF-300
CATIGA$37.904.7★

HP 10bII+ Financial Calculator 100+ Functions for Business Finance Accounting Statistics & Algebra College & High School Calculator Exam Approved for SAT AP PSAT Includes Case & Cloth
HP$38.164.6★

Victor 6500 Executive Desktop Loan Calculator 12-Digit LCD
Victor$24.624.5★

HP 12C Financial Calculator 120+ Functions: TVM NPV IRR Amortization Bond Calculations Programmable Keys RPN Desktop Calculator for Finance Accounting & Real Estate Includes Case + Cloth
HP$48.814.7★

Calculated Industries 3415 Qualifier Plus IIIx Advanced Real Estate Mortgage Finance Calculator | Simple Operation | Buyer Pre-Qualifying | Solves Payments Amortization ARMs Combos FHA VA More
Calculated Industries$49.254.7★
What buyers say about mortgage payment calculator
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“Excellent Product”
“As advertised”
“This is affordable”
“Multifunctional, Good Readability”
“Work without any issues”
“the display is clear”
“Good battery life”
“extra durable”
“The buttons have a good tactile response”
What buyers complain about
“No Instruction Manual”
“The calculator is not great for any use other than for annuities, npv, IRR and other FM solving”
“The buttons feel cheap”
“Horribly cheap”
“high priced”
“I find myself making mistakes”
“Buttons get stuck all the time”
“sticking or slow to respond sometimes”
“It's dead now”
“This must have been used”
Top return reasons
Common questions
- Is mortgage payment calculator profitable to sell on Amazon United States?
- The niche generates $40K/yr across 10 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -42.4%. Flapen's verdict: Skip it (31/100).
- How competitive is the mortgage payment calculator niche?
- 5 brands and 131 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in mortgage payment calculator?
- Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Functionality-Overall, Touch/Button Controls. The return rate is 2.6%.
- When does demand for mortgage payment calculator peak?
- Demand peaks in Jan–Feb–Dec; the busiest month runs 3.9× the quietest.
- What does it cost to enter the mortgage payment calculator niche?
- Listings span $23.09–$55.60; the average listing price is $39.06 (sweet spot $15–$100). The average incumbent carries 2,941 reviews — the moat a new listing must climb.