# Compounder vs Inflation Calculator & Data

The clearest difference is in-app purchases: Compounder at none against Inflation Calculator & Data's 8. Compounder also leads on ads (none vs shown) and rating (4.8 vs 4.5). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Inflation Calculator & Data sells 8 in-app purchases, starting at $0.99 per 7 days. Compounder asks for nothing beyond the download.

Compounder holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 4.3K and 951 respectively. Written reviews point the same way: 61% of Compounder's written reviews are positive against 49% of Inflation Calculator & Data's.

Compounder ships an update every 3 weeks, Inflation Calculator & Data every 6 weeks. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Compounder | Inflation Calculator & Data |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4.3K ratings)](https://appshunter.io/ios/app/compounder/id1412552240/reviews)** | [4.5 (951 ratings)](https://appshunter.io/ios/app/inflation-calculator-and-data/id1502023144/reviews) |
| Number of ratings | **4.3K** | 951 |
| Positive reviews | **61.4% of reviews** | 48.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 39 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [James Bevins](https://appshunter.io/developer/1137750302) | [Cedric Porter](https://appshunter.io/developer/1524090629) |

## 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, Vision Pro support

**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


### Inflation Calculator & Data

[App page](https://appshunter.io/ios/app/inflation-calculator-and-data/id1502023144)

Calculate the past value of money or how much something would cost today across many currencies. View historical data with detailed graphs and tables, and save your favorite calculations. Stay updated with yearly data for 26 different currencies.

**Highlights:** Calculate past cost/value, View detailed results with graphs, Save favorite calculations, Supports 26 currencies, Yearly data updates, Historical data from 1776 (USD)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Weekly | $0.99 | per 7 days |
| Inflation Calculator Pro | $0.99 | per month |
| Pro - Monthly | $1.99 | per month |
| Inflation Calculator Pro | $3.99 | per year |
| Inflation Calculator Pro | $4.99 | per year |
| Inflation Calculator Pro | $6.99 | per year |
| Inflation Calculator Pro | $8.99 | per year |
| Inflation Calculator Pro | $3.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 📊 Useful graphs and visuals
- 🔍 Accurate inflation calculations
- 💻 Well-designed interface
- 🔍 Helpful for historical currency values

**What reviewers complain about**

- 💰 Subscription model not appreciated
- 🐛 Unresponsive buttons and UI issues
- 🔓 Subscription not carrying over between devices
- 📅 Limited date range for data (only back to 1914)

**Reported bugs**

- App not opening or working after purchase
- Subscription issues and billing problems

**Requested features**

- Expand date range for historical data
- Offer a one-time purchase option instead of subscription
- Improve responsiveness and stability of the app


## Frequently asked questions

### Is Compounder free?

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

### Is Inflation Calculator & Data free?

Inflation Calculator & Data is free to download, with in-app purchases available.

### Which has better reviews, Compounder or Inflation Calculator & Data?

Compounder is rated higher. Compounder averages 4.8 out of 5 from 4.3K ratings, while Inflation Calculator & Data averages 4.5 from 951 ratings.

### Do Compounder or Inflation Calculator & Data have ads?

Inflation Calculator & Data shows ads; Compounder does not.

### Which is updated more often, Compounder or Inflation Calculator & Data?

Compounder ships an update every 3 weeks, and Inflation Calculator & Data every 6 weeks. Most recently, Compounder was updated on October 25, 2026 and Inflation Calculator & Data on October 22, 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.*