# Compound Interest Calc vs cRate Pro

Compound Interest Calc and cRate Pro both sit at 4.6 stars, but that hides the real split: 90% of cRate Pro's written reviews are positive against 54% of Compound Interest Calc's. cRate Pro also leads on update cadence (every 2 months vs every 8 months) and ratings volume (148 vs 19). Compound Interest Calc's advantage is chart position (#196 vs unranked) and iOS requirement (9.0 vs 13.0). On rating, ads, in-app purchases and device support there is nothing between them.

Compound Interest Calc costs $1.99 and cRate Pro $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Compound Interest Calc against 4.8 for cRate Pro. That said, the two scores are not equally well evidenced: cRate Pro has 148 ratings behind it against 19, so its average is the more settled of the two. Written reviews are what separate them: 54% of Compound Interest Calc's written reviews are positive against 90% of cRate Pro's.

Compound Interest Calc ships an update every 8 months, cRate Pro every 2 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Compound Interest Calc | cRate Pro |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | [4.6 (19 ratings)](https://appshunter.io/ios/app/compound-interest-calc/id543747638/reviews) | **[4.8 (148 ratings)](https://appshunter.io/ios/app/crate-pro-currency-converter/id909956791/reviews)** |
| Number of ratings | 19 | **148** |
| Positive reviews | 54.2% of reviews | **90.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#196** | — |
| Size | 5 MB | 40 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Mobile and Database Solutions](https://appshunter.io/developer/492595032) | [良峰 侯](https://appshunter.io/developer/654444245) |

## What reviewers say

### Compound Interest Calc

[App page](https://appshunter.io/ios/app/compound-interest-calc/id543747638)

**Currently charting:** #196 Top Paid · Finance (US App Store)

Calculate compounding interest with customizable options for term length, interest rate, and deposit frequency. View inflation-adjusted results and detailed amortization tables. Supports international currencies and saves all your data.

**Highlights:** Variable term length (years/months), Customizable interest rate, Additional deposit options, Daily/Monthly/Quarterly/Yearly calculation, Inflation-adjusted results, Amortization table with email export, Supports international currencies

**Features:** macOS Compatibility

**In-app purchases:** none


### cRate Pro

[App page](https://appshunter.io/ios/app/crate-pro-currency-converter/id909956791)

Easily convert exchange rates for over 160 currencies with a custom keypad. Offers background rate updates, historical charts, and a built-in calculator for quick, multi-currency calculations. Supports Apple Watch and Dark Mode.

**Highlights:** 160+ currency support, Custom keypad for input, Background rate updates, Historical currency charts, Multi-currency calculations, Built-in calculator, Apple Watch compatibility

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and quick
- ✨ Clean interface
- ✅ Accurate rates
- 🔄 Constantly updated

**What reviewers complain about**

- 🐛 Incorrect exchange rate for Bhutan
- ⚠️ Old Syrian flag
- 🎨 Interface slightly outdated
- 🌈 Difficult to read for colorblind users
- 📉 Charts load slowly

**Reported bugs**

- Bhutanese Ngultrum rate incorrect
- Old Syrian flag displayed
- App crashes when accessing settings
- BTC not working
- Cannot add single currency to profile

**Requested features**

- Change the old Syrian flag
- Add a widget
- Increase crypto currency options
- Add user-defined currency
- Improve chart loading speed


## Frequently asked questions

### Is Compound Interest Calc free?

Compound Interest Calc costs $1.99, with no in-app purchases.

### Is cRate Pro free?

cRate Pro costs $0.99, with no in-app purchases.

### Which has better reviews, Compound Interest Calc or cRate Pro?

cRate Pro is rated higher. Compound Interest Calc averages 4.6 out of 5 from 19 ratings, while cRate Pro averages 4.8 from 148 ratings.

### Do Compound Interest Calc or cRate Pro have ads?

Neither Compound Interest Calc nor cRate Pro shows ads.

### Which is updated more often, Compound Interest Calc or cRate Pro?

Compound Interest Calc ships an update every 8 months, and cRate Pro every 2 months. Most recently, Compound Interest Calc was updated on November 1, 2026 and cRate Pro on November 1, 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.*