Comparison

Compound Interest Calc vs SRT INT

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

Head to head
About

Compound Interest Calc

Plan your financial future with a powerful compound interest calculator. It helps you visualize investment growth with periodic contributions and plan retirement withdrawals with inflation adjustments. Offers detailed breakdowns and interactive charts for informed financial decisions.

Highlights
  • Calculate investment growth with contributions
  • Plan retirement withdrawals with inflation
  • Interactive growth and depletion charts
  • Year-by-year detailed breakdowns
  • Real-time calculations
  • Works offline
Features
Read full description

Compound Interest Calculator - Your Financial Planning Companion Plan your financial future with precision using our powerful compound interest calculator. Whether you're saving for retirement or planning investment growth, this app provides the tools you need. KEY FEATURES: Growth Mode • Calculate investment growth with periodic contributions • See how your money grows over time • Adjust contribution frequency (Yearly, Quarterly, Monthly, Weekly) • View detailed year-by-year breakdowns • Visualize growth with interactive charts Withdrawal Mode • Plan retirement withdrawals with inflation adjustments • Calculate how long your savings will last • Account for inflation in your planning • See time to zero calculations • Understand total withdrawal amounts Powerful Visualizations • Interactive line charts showing growth or depletion • Year-by-year tables with detailed breakdowns • Easy-to-read currency formatting • Touch points on charts to see exact values Beautiful Material Design • Clean, modern interface • Smooth animations and transitions • Intuitive navigation • Accessible design for all users Smart Features • Real-time calculations as you type • Input validation to prevent errors • Handles edge cases gracefully • Optimized for performance • Works offline - no internet required PERFECT FOR: • Retirement planning • Investment strategy • Savings goals • Financial education • Wealth building GROWTH MODE CALCULATIONS: Enter your starting balance, expected annual return rate, investment duration, and periodic contributions. The app calculates your final investment value, total contributions, and profit using the compound interest formula. WITHDRAWAL MODE CALCULATIONS: Plan your retirement by entering your starting balance, expected return rate, withdrawal amount, and inflation rate. See how long your money will last and plan accordingly. WHY CHOOSE THIS CALCULATOR? • Accurate compound interest formulas • Beautiful, easy-to-use interface • Fast and responsive Whether you're a financial professional, student, or someone planning for the future, this calculator provides the insights you need to make informed decisions. Download now and take control of your financial future! --- Note: This calculator is for educational and planning purposes. Actual investment returns may vary. Consult with a financial advisor for personalized advice.

About

SRT INT

Manage your retirement savings on the go. Securely access account details, track performance, and update investment choices. The app also offers educational resources and tools to forecast your retirement income.

Highlights
  • Biometric login
  • Check account balances and performance
  • Update investment elections
  • Secure document upload
  • Retirement income forecast
  • Educational videos
  • Manage beneficiaries
Read full description

Keep your retirement account within reach with the mobile benefits app from Schwab Retirement Technologies - INT FEATURES • Use biometrics to log in conveniently and securely • Check balances, portfolio performance, and recent transactions • View and update investment elections • Snap photos of documents and upload them securely to the plan administrator • Get a retirement income forecast • View educational videos about saving and investing principles • Research investment performance • Manage beneficiaries and other profile information

Screenshots

Compound Interest Calc4 screens
SRT INT4 screens

Verdict

The call

The clearest difference is in-app purchases: SRT INT at none against Compound Interest Calc's 1. SRT INT also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). Compound Interest Calc's advantage is ratings volume (6.7K vs 1). On price, rating, update cadence and device support 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. Compound Interest Calc sells 1 one-off in-app purchase. SRT INT asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SRT INT holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Compound Interest Calc has 6.7K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Compound Interest Calc ships an update every 3 months, SRT INT every 2 months. The most recent releases landed on October 21, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
Compound Interest Calc versus SRT INT: the parameters behind the verdict, then further details
ParameterCompound Interest CalcSRT INT
PriceFreeFree
Rating4.8 (6.7K ratings)5.0 (1 ratings) — better
Positive reviews68.6% of reviews—
Number of ratings6.7K — better1
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size16 MB38 MB
Age rating4+4+
DeveloperDane HankamerSchwab Retirement Technologies Inc.

Customer experience

Compound Interest Calc

All ratings6,530 ratings
Positive95.8%
Neutral1.8%
Negative2.3%
Written reviews153 reviews
Positive68.6%
Neutral7.8%
Negative23.5%

SRT INT

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Compound Interest Calc

Reported bugs

4 issues
  • Withdrawal calculations showing incorrect results
  • App crashing on certain device models
  • Scaling issues on iPad devices
  • Compound interest calculations not accurate for weekly/monthly contributions

Requested features

5 requests
  • Add dividend calculation option
  • Allow for daily compound interest calculations
  • Implement a save/load feature to retain user inputs
  • Add ability to input one-time lump sum contributions
  • Provide inflation-adjusted withdrawal calculations

SRT INT

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Compound Interest Calc

One-time1
  • Remove Ads$1.99
None

SRT INT

No in-app purchases

Questions

Is Compound Interest Calc free?
Compound Interest Calc is free to download, with in-app purchases available.
Is SRT INT free?
SRT INT is free to download, with no in-app purchases.
Which has better reviews, Compound Interest Calc or SRT INT?
SRT INT is rated higher. Compound Interest Calc averages 4.8 out of 5 from 6.7K ratings, while SRT INT averages 5.0 from 1 ratings.
Do Compound Interest Calc or SRT INT have ads?
Compound Interest Calc shows ads; SRT INT does not.
Which is updated more often, Compound Interest Calc or SRT INT?
Compound Interest Calc ships an update every 3 months, and SRT INT every 2 months. Most recently, Compound Interest Calc was updated on October 21, 2026 and SRT INT on October 2, 2026.

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