Head-to-head · Retirement Planning Software
MaxiFi vs Flexible Retirement Planner
MaxiFi leads on 0 checks, Flexible Retirement Planner on 1, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreMaxiFi · 7.4/10
- Free planonly Flexible Retirement Planner
Our editors rank MaxiFi at #3 and Flexible Retirement Planner at #6 for retirement planning software; Flexible Retirement Planner has no rubric score yet (facts researched, not yet scored), so the checks below decide.
Flexible Retirement Planner offers free plan; MaxiFi doesn't.
MaxiFi is the better fit for multi-platform users wanting deep annual planning. Flexible Retirement Planner is the better fit for users wanting detailed free Monte Carlo planning.
- MaxiFi fits best
Multi-platform users wanting deep annual planning
- Flexible Retirement Planner fits best
Users wanting detailed free Monte Carlo planning
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Side by side
| Feature | MaxiFi 7.4/10 Visit ↗ | Flexible Retirement Planner —/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.4 | — |
| Ranking | #3 in Retirement Planning Software | #6 in Retirement Planning Software |
| Best for | Multi-platform users wanting deep annual planning | Users wanting detailed free Monte Carlo planning |
| Pricing model | Paid | Free |
| Starting price | Not published | Not published |
| Free plan | — | ✓ (best) |
| Free trial | — | — |
| Deployment | Cloud, Desktop, Mobile | Cloud, Desktop |
| Platforms | Web, Windows, macOS, Linux, iOS, Android | Web, Windows, macOS, Linux |
| Features MaxiFi 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 | Not published | Not published |
| Our review | ||
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| Our verdict | MaxiFi builds lifetime financial plans from household earnings, assets, retirement accounts, pensions, Social Security, taxes, housing costs, and other receipts and expenses. It is aimed at households and financial planners who want to… 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
MaxiFi — where it wins
- Projects lifetime income, spending, savings, withdrawals, taxes, and benefits
- Optimizes Social Security timing and retirement-account withdrawals
- Supports scenario analysis, Roth conversions, and Monte Carlo risk analysis
Where it doesn't
- There is no free plan
- Living Standard Monte Carlo and Roth optimization require Premium
- Annual Flight Check Service and expert support require Premium Plus
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
- MaxiFi7.4/10 · From $109/yr
Deep lifetime and retirement planning across web, desktop, and mobile for an annual fee.
Visit MaxiFiFull 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 →
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All retirement planning software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026





