# Compound Interest Calc + vs CFR AI

The clearest difference is price: CFR AI at Free against Compound Interest Calc +'s $2.99. CFR AI also leads on rating (5.0 vs 4.8). Compound Interest Calc +'s advantage is in-app purchases (none vs 4) and update cadence (fortnightly vs every 3 months). On ads and device support there is nothing between them.

CFR AI is free to download; Compound Interest Calc + costs $2.99 up front. CFR AI sells 4 in-app purchases, starting at $0.99 per 7 days. Compound Interest Calc + asks for nothing beyond the download.

CFR AI 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 35 ratings behind it against 1, so its average is the more settled of the two.

Compound Interest Calc + ships an update fortnightly, CFR AI every 3 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Compound Interest Calc + | CFR AI |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.8 (35 ratings)](https://appshunter.io/ios/app/compound-interest-calc-plus/id1360950679/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cfr-ai-title-26/id6503179367/reviews)** |
| Number of ratings | **35** | 1 |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | **Paid** | Subscription |
| Size | 1 MB | 13 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Adam Fahlman](https://appshunter.io/developer/974051920) | [SmerDev Studio LLC](https://appshunter.io/developer/1732547078) |

## What reviewers say

### Compound Interest Calc +

[App page](https://appshunter.io/ios/app/compound-interest-calc-plus/id1360950679)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CFR AI

[App page](https://appshunter.io/ios/app/cfr-ai-title-26/id6503179367)

Access precise and current information on Title 26 of the Code of Federal Regulations for tax professionals. Powered by GPT-4o, it offers instant answers, example questions, and an interactive chat interface for tax compliance.

**Highlights:** GPT-4o powered AI, Instant answers on tax topics, Example questions for guidance, Interactive AI chatbot, Note, calendar, and reminder features, User-friendly interface

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $3.99 | per month |
| Biannual | $23.99 | per 6 months |
| Annual | $45.99 | per year |


## Frequently asked questions

### Is Compound Interest Calc + free?

Compound Interest Calc + costs $2.99, with no in-app purchases.

### Is CFR AI free?

CFR AI is free to download, with in-app purchases available.

### Which has better reviews, Compound Interest Calc + or CFR AI?

CFR AI is rated higher. Compound Interest Calc + averages 4.8 out of 5 from 35 ratings, while CFR AI averages 5.0 from 1 ratings.

### Do Compound Interest Calc + or CFR AI have ads?

Neither Compound Interest Calc + nor CFR AI shows ads.

### Which is updated more often, Compound Interest Calc + or CFR AI?

Compound Interest Calc + ships an update fortnightly, and CFR AI every 3 months. Most recently, Compound Interest Calc + was updated on November 6, 2026 and CFR AI on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*