# Compounder vs Compound Interest Calculator !

The clearest difference is in-app purchases: Compounder at none against Compound Interest Calculator !'s 4. Compounder also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Compound Interest Calculator ! sells 4 in-app purchases, starting at $0.99 per month. Compounder asks for nothing beyond the download.

Compounder ships an update every 3 weeks, Compound Interest Calculator ! monthly. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Compounder | Compound Interest Calculator ! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.4K ratings)](https://appshunter.io/ios/app/compounder/id1412552240/reviews)** | — |
| Number of ratings | **3.4K** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 3 MB | 36 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [James Bevins](https://appshunter.io/developer/1137750302) | [seunghyun shin](https://appshunter.io/developer/1505190308) |

## 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 Calculator !

[App page](https://appshunter.io/ios/app/compound-interest-calculator/id6449872832)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| one month subscription | $0.99 | per month |
| one year subscription | $4.99 | per year |
| free forever discount | $4.99 | one-time |
| free forever | $7.99 | one-time |


## Frequently asked questions

### Is Compounder free?

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

### Is Compound Interest Calculator ! free?

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

### Do Compounder or Compound Interest Calculator ! have ads?

Compound Interest Calculator ! shows ads; Compounder does not.

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

Compounder ships an update every 3 weeks, and Compound Interest Calculator ! monthly. Most recently, Compounder was updated on September 22, 2026 and Compound Interest Calculator ! on September 10, 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.*