# FIRE Cat vs Instant Compound Calc!

The clearest difference is price: FIRE Cat at Free against Instant Compound Calc!'s $2.99. Instant Compound Calc!'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

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

FIRE Cat ships an update every 25 months, Instant Compound Calc! every 2 months. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | FIRE Cat | Instant Compound Calc! |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 25 months | **Every 2 months** |
| Size | 13 MB | 7 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RUI QI](https://appshunter.io/developer/1772461223) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### FIRE Cat

[App page](https://appshunter.io/ios/app/fire-cat-dca-calculator/id6736881046)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### Instant Compound Calc!

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

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

**In-app purchases:** none


## Frequently asked questions

### Is FIRE Cat free?

FIRE Cat is free to download, with in-app purchases available.

### Is Instant Compound Calc! free?

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

### Do FIRE Cat or Instant Compound Calc! have ads?

FIRE Cat shows ads; Instant Compound Calc! does not.

### Which is updated more often, FIRE Cat or Instant Compound Calc!?

FIRE Cat ships an update every 25 months, and Instant Compound Calc! every 2 months. Most recently, FIRE Cat was updated on November 12, 2026 and Instant Compound Calc! on November 8, 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.*