Compound Interest vs BitBug
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Compound Interest
Calculate and visualize the growth of your savings and investments over time. Explore different scenarios to understand the power of compound interest and plan for your financial goals, such as retirement.
- Visualize savings growth with interactive graphs
- Calculate required contributions for financial goals
- Experiment with different saving scenarios
- Flexible calculations for balance, contribution, or time
- Link tabs for complex strategy comparisons
- Customizable light and dark themes
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Unlock the Power of Compound Interest: See Your Money Grow Over Time Ever wondered how much your savings could grow if you started investing today? With Compound Interest, you can instantly see the impact of saving and investing on your future wealth. Start Saving Early and Watch Your Money Grow What if you started saving for retirement at just 15 instead of 40? By contributing just $100 a week with a 7% return, you could accumulate over $2 million by the time you retire. You may wonder: "How is that possible when I’m only saving $260,000?" The answer lies in the power of compound interest. While your direct savings would total just over $250,000, the additional $2 million comes from the growth of your investments over time. Impressive, right? Reach Your Retirement Goals with Ease Already have a target in mind? You can easily adjust the settings to calculate your required contribution, desired return rate, or even the time frame needed. For example, if your goal is to retire with $5 million but you're unsure how much to save each month, simply switch to the "solve for contribution" mode, and the app will automatically calculate the amount you need to save to reach your goal. Key Features: Visualize Your Future: Easily calculate how your savings or investments could grow over the next 30 years (or more) with interactive graphs that break down your gains year by year. Plan for Your Goals: Want to retire a millionaire? Set your target goal, and let the app calculate how much you need to save each month, the return rate, or how long it will take to get there. Experiment with Different Scenarios: Test different saving strategies with the option to create multiple tabs. Try saving $100/week for 10 years, then adjusting your contributions—see the real impact of compound interest! Flexible Calculations: Whether you're solving for total balance, contribution amount, return rate, or investment length, Compound Interest makes it easy to adjust your plan and reach your financial goals. Advanced Tab References: Link one tab's balance to another for more complex calculations. Want to try saving more for a few years and less later? It's easy to reference and compare different strategies. Customizable Themes: Switch between light and dark modes to suit your style. Why You'll Love It: See exactly how compound interest works and how small changes in saving habits can lead to huge financial gains. Perfect for retirement planning, saving for big goals, or simply exploring the magic of compounding. Simple, intuitive design for easy use no matter your financial knowledge. Start planning today, and watch your future wealth grow with Compound Interest!
BitBug
Track live Bitcoin prices directly on your iPhone's Lock Screen with a customizable widget. View prices in multiple currencies and see trend indicators at a glance. Stay updated on the cryptocurrency market without opening an app.
- Live Bitcoin price display
- Lock Screen widget
- Multiple currency support (USD, EUR, AUD, GBP, JPY)
- Upward/downward trend indicators
- Customizable complications
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Track the live Bitcoin price directly from your iPhone and Apple Watch. BitBug delivers real-time Bitcoin prices powered by CoinGecko, with support for multiple currencies including US Dollar, Euro, British Pound, Australian Dollar, Swiss Franc and Japanese Yen. Features: Live Bitcoin price in USD, EUR, GBP, AUD, CHF and JPY Bitcoin portfolio tracker — add your holdings by BTC quantity See your total value, cost basis and profit/loss at a glance Lock screen widgets with live price and portfolio value Home Screen widgets in multiple sizes and currencies Apple Watch complications for quick price checks on your wrist Automatic price refresh every 5 minutes Simple, fast and beautiful — always know what your Bitcoin is worth.
Screenshots
Verdict
The clearest difference is review sentiment: BitBug at 100% against Compound Interest's 68%. BitBug also leads on update cadence (every 5 days vs every 4 months). Compound Interest's advantage is price ($1.99 vs $3.99) and iOS requirement (14.0 vs 17.6). On ads, in-app purchases, chart position 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
Compound Interest costs $1.99 and BitBug $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Compound Interest ships an update every 4 months, BitBug every 5 days. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.
| Parameter | Compound Interest | BitBug |
|---|---|---|
| Price | $1.99 — better | $3.99 |
| Rating | 4.7 (238 ratings) — better | — |
| Positive reviews | 67.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 238 — better | — |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #174 | #122 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 1 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | TernUp LLC | Bart Beekwilder |
Customer experience
Compound Interest
BitBug
Bugs and requests
Compound Interest
Reported bugs
8 issues- App keeps freezing
- App freezes when changing initial amount
- App crashes when tapping screen
- iPad version doesn't register changes
- iPad version resets starting balance to zero
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- Cannot input any numbers
- Calculations are wrong
- No function for withdrawals
Requested features
11 requests- Add annual lump sums
- Solve for required opening balance
- Save financial models with names
- Ability to adjust for months instead of years
- Enter length in months
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- Include savings withdrawal mode
- Option to see second and third graph showing +/- interest rate
- Name the tabs
- Custom-label each tab
- Ability to share calculations
- Option to change compound rate (daily, weekly, etc.)
BitBug
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Compound Interest
No in-app purchases
BitBug
No in-app purchases
Questions
Is Compound Interest free?
Is BitBug free?
Do Compound Interest or BitBug have ads?
Which is updated more often, Compound Interest or BitBug?
Which is more popular, Compound Interest or BitBug?
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