# Compounder vs Compound Interest Calc

The clearest difference is in-app purchases: Compounder at none against Compound Interest Calc's 1. Compounder also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Compound Interest Calc sells 1 one-off in-app purchase. Compounder asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Compounder against 4.8 for Compound Interest Calc. Both are backed by a comparable volume of ratings — 3.4K and 6.5K respectively. Written reviews are what separate them: 61% of Compounder's written reviews are positive against 69% of Compound Interest Calc's.

Compounder ships an update every 3 weeks, Compound Interest Calc every 3 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Compounder | Compound Interest Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.4K ratings)](https://appshunter.io/ios/app/compounder/id1412552240/reviews) | [4.8 (6.5K ratings)](https://appshunter.io/ios/app/compound-interest-calc/id1509212588/reviews) |
| Number of ratings | 3.4K | **6.5K** |
| Positive reviews | 61.4% of reviews | **68.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 16 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [James Bevins](https://appshunter.io/developer/1137750302) | [Dane Hankamer](https://appshunter.io/developer/1509095396) |

## 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


### Compound Interest Calc

[App page](https://appshunter.io/ios/app/compound-interest-calc/id1509212588)

Plan your financial future with a powerful compound interest calculator. It helps you visualize investment growth with periodic contributions and plan retirement withdrawals with inflation adjustments. Offers detailed breakdowns and interactive charts for informed financial decisions.

**Highlights:** Calculate investment growth with contributions, Plan retirement withdrawals with inflation, Interactive growth and depletion charts, Year-by-year detailed breakdowns, Real-time calculations, Works offline

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Visually appealing
- 🚀 Helpful for financial planning
- 🚀 Powerful compound interest calculations
- 🚀 Intuitive interface

**What reviewers complain about**

- 🐛 Scaling issues on smaller devices
- 🐛 Inaccurate calculations in certain scenarios
- 🐛 Frequent ads disrupting user experience
- 🐛 Crashing and compatibility issues
- 🐛 Lack of customization options

**Reported bugs**

- Withdrawal calculations showing incorrect results
- App crashing on certain device models
- Scaling issues on iPad devices
- Compound interest calculations not accurate for weekly/monthly contributions

**Requested features**

- Add dividend calculation option
- Allow for daily compound interest calculations
- Implement a save/load feature to retain user inputs
- Add ability to input one-time lump sum contributions
- Provide inflation-adjusted withdrawal calculations


## Frequently asked questions

### Is Compounder free?

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

### Is Compound Interest Calc free?

Compound Interest Calc is free to download, with in-app purchases available.

### Which has better reviews, Compounder or Compound Interest Calc?

Compounder and Compound Interest Calc are both rated 4.8 out of 5 on the App Store, from 3.4K and 6.5K ratings respectively.

### Do Compounder or Compound Interest Calc have ads?

Compound Interest Calc shows ads; Compounder does not.

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

Compounder ships an update every 3 weeks, and Compound Interest Calc every 3 months. Most recently, Compounder was updated on October 17, 2026 and Compound Interest Calc on October 15, 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.*