# Instant Compound Calculator vs Nstock

The clearest difference is price: Nstock at Free against Instant Compound Calculator's $2.99. Nstock also leads on update cadence (fortnightly vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Nstock is free to download; Instant Compound Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Instant Compound Calculator ships an update every 2 months, Nstock fortnightly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Instant Compound Calculator | Nstock |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 6 MB | 53 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Shun Isayama](https://appshunter.io/developer/1578976556) | [Nstock, Inc.](https://appshunter.io/developer/1846018055) |

## What reviewers say

### Instant Compound Calculator

[App page](https://appshunter.io/ios/app/instant-compound-calculator/id6738674344)

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

**In-app purchases:** none


### Nstock

[App page](https://appshunter.io/ios/app/nstock/id6753970019)

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

**In-app purchases:** none


## Frequently asked questions

### Is Instant Compound Calculator free?

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

### Is Nstock free?

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

### Do Instant Compound Calculator or Nstock have ads?

Neither Instant Compound Calculator nor Nstock shows ads.

### Which is updated more often, Instant Compound Calculator or Nstock?

Instant Compound Calculator ships an update every 2 months, and Nstock fortnightly. Most recently, Instant Compound Calculator was updated on October 26, 2026 and Nstock on October 28, 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.*