# Instant Compound Calc! vs Compound Interest Calculator V

The clearest difference is price: Compound Interest Calculator V at Free against Instant Compound Calc!'s $2.99. Compound Interest Calculator V also leads on update cadence (fortnightly vs every 2 months). Instant Compound Calc!'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Compound Interest Calculator V is free to download; Instant Compound Calc! costs $2.99 up front. Compound Interest Calculator V sells 1 one-off in-app purchase. Instant Compound Calc! asks for nothing beyond the download.

Instant Compound Calc! ships an update every 2 months, Compound Interest Calculator V fortnightly. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Instant Compound Calc! | Compound Interest Calculator V |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 7 MB | 12 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shun Isayama](https://appshunter.io/developer/1578976556) | [Krzysztof Korybko](https://appshunter.io/developer/1631343451) |

## What reviewers say

### Instant Compound Calc!

[App page](https://appshunter.io/ios/app/instant-compound-calc/id6738637650)

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

**In-app purchases:** none


### Compound Interest Calculator V

[App page](https://appshunter.io/ios/app/compound-interest-calculator-v/id6748849059)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Instant Compound Calc! free?

Instant Compound Calc! costs $2.99, with no in-app purchases.

### Is Compound Interest Calculator V free?

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

### Do Instant Compound Calc! or Compound Interest Calculator V have ads?

Compound Interest Calculator V shows ads; Instant Compound Calc! does not.

### Which is updated more often, Instant Compound Calc! or Compound Interest Calculator V?

Instant Compound Calc! ships an update every 2 months, and Compound Interest Calculator V fortnightly. Most recently, Instant Compound Calc! was updated on September 17, 2026 and Compound Interest Calculator V on September 18, 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.*