Compound Interest Calc vs PerkMinder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
PerkMinder
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Get reminders before your premium card credits expire. Free, no bank login required. If you have a premium credit card, you're paying hundreds of dollars a year in fees for benefits you probably aren't fully using. Monthly credits expire. Annual perks go forgotten. And most tracking tools are built for people managing 5+ cards, not two or three. PerkMinder is different. It tracks benefits for the Amex Platinum, Chase Sapphire Reserve, and Amex Gold -- and reminds you before your credits reset. No spreadsheets. No complicated setup. Just notifications when it matters. What PerkMinder does: Shows what's expiring soon across all your cards Sends smart reminders based on each benefit's reset cycle Lets you mark benefits as used and track your progress Calculates your ROI against your annual fee Tracks monthly, quarterly, semi-annual, and annual credits Questions or feedback? Reach out at support@perkminder.com.
Screenshots
Verdict
The clearest difference is in-app purchases: PerkMinder at none against Compound Interest Calc's 1. PerkMinder also leads on ads (none vs shown) and update cadence (every 10 days vs every 3 months). On price, 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
Both are free to download. Compound Interest Calc sells 1 one-off in-app purchase. PerkMinder asks for nothing beyond the download.
Compound Interest Calc ships an update every 3 months, PerkMinder every 10 days. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.
| Parameter | Compound Interest Calc | PerkMinder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (6.5K ratings) — better | — |
| Positive reviews | 68.6% of reviews | — |
| Number of ratings | 6.5K — better | — |
| Update frequency | Every 3 months | Every 10 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 16 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Dane Hankamer | Jeffrey Liu |
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
PerkMinder
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Compound Interest Calc
- Remove Ads$1.99
PerkMinder
No in-app purchases
Questions
Is Compound Interest Calc free?
Is PerkMinder free?
Do Compound Interest Calc or PerkMinder have ads?
Which is updated more often, Compound Interest Calc or PerkMinder?
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