# FIRE資産計算 vs 3s Kakeibo

The clearest difference is in-app purchases: FIRE資産計算 at none against 3s Kakeibo's 1. FIRE資産計算 also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. 3s Kakeibo sells 1 one-off in-app purchase. FIRE資産計算 asks for nothing beyond the download.

FIRE資産計算 ships an update every 5 days, 3s Kakeibo every 3 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FIRE資産計算 | 3s Kakeibo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 31 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hiroto Ouchi](https://appshunter.io/developer/1871793341) | [丽佳 施](https://appshunter.io/developer/1894580777) |

## What reviewers say

### FIRE資産計算

[App page](https://appshunter.io/ios/app/fire/id6758258484)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3s Kakeibo

[App page](https://appshunter.io/ios/app/3s-kakeibo-quick-expense/id6794604259)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is FIRE資産計算 free?

FIRE資産計算 is free to download, with no in-app purchases.

### Is 3s Kakeibo free?

3s Kakeibo is free to download, with in-app purchases available.

### Do FIRE資産計算 or 3s Kakeibo have ads?

Both FIRE資産計算 and 3s Kakeibo show ads.

### Which is updated more often, FIRE資産計算 or 3s Kakeibo?

FIRE資産計算 ships an update every 5 days, and 3s Kakeibo every 3 days. Most recently, FIRE資産計算 was updated on October 31, 2026 and 3s Kakeibo on October 24, 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.*