# Compounder vs RetireIQ Pro

The clearest difference is monetization model: Compounder at free against RetireIQ Pro's free with in-app purchases. Compounder also leads on ratings volume (3.4K vs 1) and iOS requirement (16.0 vs 18.5). RetireIQ Pro's advantage is rating (5.0 vs 4.8). On price, update cadence, ads and in-app purchases there is nothing between them.

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

RetireIQ Pro holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Compounder has 3.4K ratings behind it against 1, so its average is the more settled of the two.

Compounder ships an update every 3 weeks, RetireIQ Pro every 6 weeks. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Compounder | RetireIQ Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.4K ratings)](https://appshunter.io/ios/app/compounder/id1412552240/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/retireiq-pro/id6786990016/reviews)** |
| Number of ratings | **3.4K** | 1 |
| Positive reviews | 61.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 2 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [James Bevins](https://appshunter.io/developer/1137750302) | [Linda Felgenhauer](https://appshunter.io/developer/1702957400) |

## 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


### RetireIQ Pro

[App page](https://appshunter.io/ios/app/retireiq-pro/id6786990016)

Plan your retirement with advanced tools used by financial planners. Model 401(k) growth, plan your spending in retirement, and run simulations to understand potential outcomes. Compare different strategies and export your plans.

**Highlights:** Model 401(k) and IRA growth, Plan retirement spending and withdrawals, Run Monte Carlo simulations, Compare withdrawal and Social Security strategies, Export plans to PDF/CSV, Private data storage on device

**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 RetireIQ Pro free?

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

### Which has better reviews, Compounder or RetireIQ Pro?

RetireIQ Pro is rated higher. Compounder averages 4.8 out of 5 from 3.4K ratings, while RetireIQ Pro averages 5.0 from 1 ratings.

### Do Compounder or RetireIQ Pro have ads?

Neither Compounder nor RetireIQ Pro shows ads.

### Which is updated more often, Compounder or RetireIQ Pro?

Compounder ships an update every 3 weeks, and RetireIQ Pro every 6 weeks. Most recently, Compounder was updated on October 20, 2026 and RetireIQ Pro on October 17, 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.*