Compound Interest Calc + vs Roth Grains
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Compound Interest Calc +
Calculate compound interest and future investment values with various parameters like principal, interest rate, and additional deposits. Export results to PDF or CSV and compare saved calculations.
- Compound interest calculation
- Future value projection
- Support for principal, interest, duration, inflation, and deposits
- Flexible compounding and deposit frequencies
- Detailed results including inflation-adjusted balance
- PDF and CSV export
- Save and compare calculations
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Compound Interest Calc + is the best app for quickly calculating compound interest and the future value of investments. Compound Interest Calc + features: · support for starting principal, interest, duration, inflation and additional deposits · support for additions to be made at the beginning or end of the period · daily, weekly, bi-weekly, monthly, bi-monthly, quarterly, semi-annual and annual compound frequency and additions frequency options · results that include final balance, inflation adjusted, total interest and total additions · PDF and CSV (Excel or Numbers) export options · saving of calculations for viewing later · comparing the results of saved calculations · a complete amortization schedule · a beautifully designed interface · available in English, French, and Spanish! I love feedback! I want this app to work for you. Let me know if you’d like to see any additional features or if something is not quite working correctly. You can submit feedback right from within the app.
Roth Grains
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Get all the information you need with our Marketplace app. Free for producers to download from Roth Grains. • Track cash bids, featuring charts with active bids • View tickets, contracts, and balances - where available • Place offers directly on the cash bid prices • Chat and negotiate in real time • Place and manage offers • Explore futures market data • View all available expirations and chart price action • See location-specific weather with all the information that matters most to growing operations • Set personalized market alerts for futures contracts • Stay up-to-date with news coverage of USDA reports and daily commentary
Screenshots
Verdict
The clearest difference is price: Roth Grains at Free against Compound Interest Calc +'s $2.99. Compound Interest Calc +'s advantage is update cadence (fortnightly vs every 6 months) and iOS requirement (13.0 vs 15.1). On ads, in-app purchases 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
Roth Grains is free to download; Compound Interest Calc + costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Compound Interest Calc + ships an update fortnightly, Roth Grains every 6 months. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.
| Parameter | Compound Interest Calc + | Roth Grains |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.8 (35 ratings) — better | — |
| Positive reviews | 36.4% of reviews | — |
| Number of ratings | 35 — better | — |
| Update frequency | Fortnightly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 1 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Adam Fahlman | Barchart |
In-app purchases
Compound Interest Calc +
No in-app purchases
Roth Grains
No in-app purchases
Questions
Is Compound Interest Calc + free?
Is Roth Grains free?
Do Compound Interest Calc + or Roth Grains have ads?
Which is updated more often, Compound Interest Calc + or Roth Grains?
Other comparisons
