Boldin vs Flexible Retirement Planner

Boldin9.6Visit Flexible Retirement Planner—Visit

Higher score Boldin #1 in Retirement Planning Software 9.6/10 Free plan · paid from $144/yr · 14-day trial Free plan✓ 5 of 5 features Visit Boldin

vs

Flexible Retirement Planner #6 in Retirement Planning Software —/10 Free plan Free plan✓ 5 of 5 features Visit site

• Boldin fits best

  Households building and comparing retirement plans

• Flexible Retirement Planner fits best

  Users wanting detailed free Monte Carlo planning

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature	Boldin 9.6/10 Visit ↗	Flexible Retirement Planner —/10 Visit ↗
At a glance
Editor score	9.6	—
Ranking	#1 in Retirement Planning Software	#6 in Retirement Planning Software
Best for	Households building and comparing retirement plans	Users wanting detailed free Monte Carlo planning
Pricing model	Free plan + paid	Free
Starting price	Not published	Not published
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud	Cloud, Desktop
Platforms	Web	Web, Windows, macOS, Linux
Features Boldin 5/5 · Flexible Retirement Planner 5/5
Income projection	✓	✓
Savings growth projection	✓	✓
Withdrawal planning	✓	✓
Social Security modeling	✓	✓
Scenario analysis	✓	✓
Specs
Tax modeling	Detailed	Detailed
Account synchronization	Read_only	Not published
Our review
Pros	Models income, expenses, Social Security, taxes, and withdrawals PlannerPlus adds Roth conversions, tax projections, and Monte Carlo analysis Links account balances through Plaid, MX, or Finicity	Models 10,000 life cycles for retirement simulations Includes Roth conversions, RMDs, and withdrawal-order controls Runs on web, Windows, macOS, and Linux
Cons	PlannerPlus costs $144 per year after a 14-day free trial Account linking syncs balances read-only Available on web	Limited to personal, non-commercial or educational use No verified integrations or account synchronization Requires detailed year-by-year financial inputs
Our verdict	Boldin is web-based retirement planning software for individuals and households who want to build a personalized long-term plan. It projects retirement income and expenses, savings and net worth, and models Social Security, taxes,… Read the review →	Flexible Retirement Planner models savings accumulation and retirement spending through Monte Carlo simulations, making it suited to individuals and educators who want to examine how changing financial assumptions may affect retirement… Read the review →

Strengths and trade-offs

• Boldin — where it wins

  • Models income, expenses, Social Security, taxes, and withdrawals
  • PlannerPlus adds Roth conversions, tax projections, and Monte Carlo analysis
  • Links account balances through Plaid, MX, or Finicity

  Where it doesn't

  • PlannerPlus costs $144 per year after a 14-day free trial
  • Account linking syncs balances read-only
  • Available on web

• Flexible Retirement Planner — where it wins

  • Models 10,000 life cycles for retirement simulations
  • Includes Roth conversions, RMDs, and withdrawal-order controls
  • Runs on web, Windows, macOS, and Linux

  Where it doesn't

  • Limited to personal, non-commercial or educational use
  • No verified integrations or account synchronization
  • Requires detailed year-by-year financial inputs

• Boldin9.6/10 · Free plan · paid from $144/yr · 14-day trial

  A guided retirement plan with detailed projections, plus a free tier to get started.

  Visit BoldinFull verdict →
• Flexible Retirement Planner—/10 · Free plan

  A free retirement planner with detailed inputs, withdrawal controls, and 10,000 modeled life cycles.

  Visit siteFull verdict →