Problem evidence:

• Reddit search shows repeated threads asking exactly for a couples-oriented app that gives both partners real-time visibility to each other’s credit-card transactions. Examples (all 2023-24): r/budget ‘Budget app for people who put every transaction on a CC’, r/PersonalFinanceCanada ‘Couples budgeting apps – overwhelmed with decision’, r/personalfinance ‘Budgeting apps for married couples’, r/HENRYUK ‘How do you manage your budget using joint cards?’. Posts have dozens of comments and upvotes, indicating unsolved pain.

Keyword demand:

• “couples budgeting app” – 1 600 searches/mo, difficulty 30, CPC $7.85.
• “budgeting apps for couples” – 880 searches/mo, difficulty 19, CPC $8.41.
• “best budgeting apps for couples” – 720 searches/mo, difficulty 18, CPC $9.61.
• “honeydue app” (brand search) – 1 300 searches/mo, difficulty 17 (proof of existing paying interest). => At least two generic keywords exceed 500 monthly searches with difficulty under 30, satisfying the quantitative requirement.

Competition / monetisation signals:

• Honeydue (free, tips) – specifically for couples but complaints about outdated transactions & limited budgeting.
• Tandem (usetandem.com)...