# Compound Interest App vs Interest Meter

The clearest difference is ads: Compound Interest App at none against Interest Meter's shown. Interest Meter's advantage is update cadence (every 3 days vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Compound Interest App sells 3 in-app purchases, starting at $1.99 per month and Interest Meter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Compound Interest App ships an update every 8 months, Interest Meter every 3 days. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Compound Interest App | Interest Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 days** |
| Size | 15 MB | 6 MB |
| Requires iOS | 17.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Polydez](https://appshunter.io/developer/1683312256) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### Compound Interest App

[App page](https://appshunter.io/ios/app/compound-interest-app/id6480404592)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compoundify Pro - Monthly Plan | $1.99 | per month |
| Compoundify Pro - Yearly Plan | $4.99 | per year |
| Compoundify Pro | $9.99 | one-time |


### Interest Meter

[App page](https://appshunter.io/ios/app/interest-meter/id6761615743)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


## Frequently asked questions

### Is Compound Interest App free?

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

### Is Interest Meter free?

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

### Do Compound Interest App or Interest Meter have ads?

Interest Meter shows ads; Compound Interest App does not.

### Which is updated more often, Compound Interest App or Interest Meter?

Compound Interest App ships an update every 8 months, and Interest Meter every 3 days. Most recently, Compound Interest App was updated on October 6, 2026 and Interest Meter on October 12, 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.*