# Compounder vs CD Calculator Pro

Compounder and CD Calculator Pro both sit at 4.8 stars, but that hides the real split: 60% of Compounder's written reviews are positive against 17% of CD Calculator Pro's. Compounder also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). CD Calculator Pro's advantage is iOS requirement (11.0 vs 16.0). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Compounder against 4.8 for CD Calculator Pro. That said, the two scores are not equally well evidenced: Compounder has 3.4K ratings behind it against 458, so its average is the more settled of the two. Written reviews are what separate them: 60% of Compounder's written reviews are positive against 17% of CD Calculator Pro's.

Compounder ships an update every 3 weeks, CD Calculator Pro every 3 months. Both last shipped on September 22, 2026.

## The numbers

| Metric | Compounder | CD Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.4K ratings)](https://appshunter.io/ios/app/compounder/id1412552240/reviews) | [4.8 (458 ratings)](https://appshunter.io/ios/app/cd-calculator-pro/id1447716770/reviews) |
| Number of ratings | **3.4K** | 458 |
| Positive reviews | **60.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 33 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [James Bevins](https://appshunter.io/developer/1137750302) | [RedTracker LLC](https://appshunter.io/developer/1460840859) |

## What reviewers say

### Compounder

[App page](https://appshunter.io/ios/app/compounder/id1412552240)

Calculate the growth of savings and investments using compound interest. Explore how regular contributions and withdrawals impact your financial goals over time. Designed for anyone to understand and utilize the power of compounding for wealth building.

**Highlights:** Calculate compound interest, Flexible settings, Factor in periodic withdrawals, Factor in additional contributions, Easy-to-use interface

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Instant results
- 💡 Helps explain investments
- 🚀 Simple and easy to use
- 👍 Best and easiest compound calculator

**What reviewers complain about**

- 🐛 Glitchy and not user-friendly after update
- 🐛 Can't use quarterly, monthly, or weekly buttons after update
- 🐛 New version not working well on iPhone
- 🐛 Can't click off of monthly to quarterly, yearly, or weekly
- 🐛 Compound frequency stuck on monthly after update

**Reported bugs**

- Calculation issues with initial investment
- Formatting issues on mobile devices
- Crashes after short usage

**Requested features**

- Add percentage option for withdrawal
- Allow adjusting periodic contributions (weekly, monthly, etc.)
- Include daily compounding option
- Add inflation adjustment to contributions and outputs
- Create a widget version


### CD Calculator Pro

[App page](https://appshunter.io/ios/app/cd-calculator-pro/id1447716770)

Estimate the future value of your Certificate of Deposit with this fast and easy-to-use calculator. Plan your savings and compare options by exploring how interest rates affect your CD growth.

**Highlights:** Estimate future CD value, Calculate total returns, Analyze interest rate impact, Simple input interface, Compare CD options

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

**In-app purchases:** none


## Frequently asked questions

### Is Compounder free?

Compounder is free to download, with no in-app purchases.

### Is CD Calculator Pro free?

CD Calculator Pro is free to download, with no in-app purchases.

### Which has better reviews, Compounder or CD Calculator Pro?

Compounder and CD Calculator Pro are both rated 4.8 out of 5 on the App Store, from 3.4K and 458 ratings respectively.

### Do Compounder or CD Calculator Pro have ads?

CD Calculator Pro shows ads; Compounder does not.

### Which is updated more often, Compounder or CD Calculator Pro?

Compounder ships an update every 3 weeks, and CD Calculator Pro every 3 months. Most recently, Compounder was updated on September 22, 2026 and CD Calculator Pro on September 22, 2026.

---

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