Comparison

Retire Early Calc vs Smart Retirement Planner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Retire Early Calc

Map your journey to financial independence. Input your financial details to project your portfolio and calculate when you can achieve early retirement. Understand your FIRE Number and sustainable retirement income.

Highlights
  • Projected portfolio at retirement
  • FIRE Number calculation
  • Coast FIRE Number calculation
  • Years to FIRE and FIRE age
  • Monthly sustainable retirement income
  • Adjustable expected annual return
Features
Read full description

Plan your path to financial independence with the Retirement FIRE Calculator. Enter your current age, savings, monthly contributions, expected returns, and retirement expenses to see your projected portfolio and FIRE analysis. FIRE (Financial Independence, Retire Early) means having enough invested that your portfolio can sustain your living expenses indefinitely. This calculator shows you exactly when you'll reach that milestone. Features: - Projected portfolio at retirement age - FIRE Number calculation (25x annual expenses) - Coast FIRE Number (amount needed today to retire without further contributions) - Years to FIRE and FIRE age - Monthly sustainable retirement income using the 4% rule - Adjustable expected annual return rate - Share your retirement plan Whether you're just starting to save or already on the path to early retirement, this calculator gives you clear, actionable projections to plan your financial future.

About

Smart Retirement Planner

This app helps adults plan for retirement with simple tools and visual projections. It offers guidance on savings, account growth, withdrawal sustainability, and bridging income gaps before Social Security. Prioritizes privacy with an on-device experience and no account requirement.

Highlights
  • Personalized retirement overview
  • Savings goal and projected balance
  • 401(k) growth projections
  • Monthly withdrawal planning
  • Social Security bridge funding
  • Monte Carlo market simulations
  • On-device privacy
Features
Read full description

Retirement planning does not need to be complicated. Smart Retirement Planner helps you answer the biggest retirement questions with simple tools, visual projections, and practical guidance. See how much you may need, how your accounts could grow, whether your withdrawals may last, and how to bridge the gap before Social Security begins. Built for real life. Built for privacy. No account required. Who is it for? • Adults planning for retirement • 401(k), IRA, Roth IRA, and brokerage account holders • People who want clarity without financial jargon • Anyone looking for a focused retirement planning toolkit instead of a complicated retirement suite Start with a personalized retirement overview that brings everything together in one place. • Plan Strength score with coaching • On Track, Getting Close, or Needs Attention guidance • Savings goal and projected balance • Estimated retirement income • Chance of reaching your goal using Monte Carlo simulation • Typical outcome range across market scenarios • Retire later comparisons • Saved scenarios for easy planning Discover how much you may need for retirement and what you should save each month to reach your goal. • Inflation adjusted spending goals • Monthly savings targets • Funding gap analysis • Catch up guidance when you are behind schedule 401(k) Growth Planner Project the future value of your retirement accounts. • Paycheck contributions • Employer matching contributions • Match limits and caps • Expected growth assumptions • Expense ratio impact Explore retirement income strategies and test whether your savings may support your lifestyle. • Monthly withdrawal planning • 4% rule benchmark comparisons • Estimated taxes on traditional account withdrawals • Required Minimum Distribution estimates • Longevity projections for your savings Retire before Social Security starts and understand how to fund the gap. • Retirement age vs. claiming age comparisons • Pension and other income support • Income gap calculations • Post Social Security income coverage Smart Features • Live updates as you adjust inputs • Full horizon projection charts • Monte Carlo market simulations • Personalized coaching and plan strength insights • Welcome setup that pre fills planners from your information • Gentle plan aware reminders that adapt to your progress Try each planner with free previews. Upgrade once to unlock: • Unlimited planner runs • Printable PDF retirement worksheet • Combined summary of your Plan, 401(k), Withdrawals, and Social Security Bridge • Assumptions, charts, and Monte Carlo legend Your Privacy Matters Smart Retirement Planner stores your information on your device. • No account required • No cloud planning service • No selling your personal financial information • 100% private on device experience Important Disclaimer Smart Retirement Planner is educational estimation software intended for informational purposes only. It does not provide financial, investment, tax, or legal advice. All projections and simulations are estimates and should not be considered guarantees of future results.

Screenshots

Retire Early Calc4 screens
Smart Retirement Planner4 screens

Verdict

The call

The clearest difference is rating: Smart Retirement Planner at 5.0 against Retire Early Calc's 4.0. Smart Retirement Planner also leads on ads (none vs shown). Retire Early Calc's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 3 weeks). On price, ratings volume, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Smart Retirement Planner sells 1 one-off in-app purchase. Retire Early Calc asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Smart Retirement Planner holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Retire Early Calc ships an update daily, Smart Retirement Planner every 3 weeks. The most recent releases landed on October 28, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 4 level
Retire Early Calc versus Smart Retirement Planner: the parameters behind the verdict, then further details
ParameterRetire Early CalcSmart Retirement Planner
PriceFreeFree
Rating4.0 (1 ratings)5.0 (1 ratings) — better
Number of ratings11
Update frequencyDaily — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.1 — better15.6
Further details — not scored
Size25 MB4 MB
Age rating4+4+
DeveloperBlas PrietoGary Cox

In-app purchases

None

Retire Early Calc

No in-app purchases

1 purchases

Smart Retirement Planner

One-time1
  • Unlock Pro$4.99

Questions

Is Retire Early Calc free?
Retire Early Calc is free to download, with no in-app purchases.
Is Smart Retirement Planner free?
Smart Retirement Planner is free to download, with in-app purchases available.
Which has better reviews, Retire Early Calc or Smart Retirement Planner?
Smart Retirement Planner is rated higher. Retire Early Calc averages 4.0 out of 5 from 1 ratings, while Smart Retirement Planner averages 5.0 from 1 ratings.
Do Retire Early Calc or Smart Retirement Planner have ads?
Retire Early Calc shows ads; Smart Retirement Planner does not.
Which is updated more often, Retire Early Calc or Smart Retirement Planner?
Retire Early Calc ships an update daily, and Smart Retirement Planner every 3 weeks. Most recently, Retire Early Calc was updated on October 28, 2026 and Smart Retirement Planner on October 17, 2026.

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