# 3Up2Down　家計簿 vs Instant Compound Calculator

The clearest difference is price: 3Up2Down　家計簿 at Free against Instant Compound Calculator's $2.99. 3Up2Down　家計簿 also leads on update cadence (every 4 days vs every 2 months). Instant Compound Calculator's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

3Up2Down　家計簿 is free to download; Instant Compound Calculator costs $2.99 up front. 3Up2Down　家計簿 sells 5 in-app purchases, starting at $0.99 per month. Instant Compound Calculator asks for nothing beyond the download.

3Up2Down　家計簿 ships an update every 4 days, Instant Compound Calculator every 2 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 3Up2Down　家計簿 | Instant Compound Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 34 MB | 6 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ryunosuke Shinkubo](https://appshunter.io/developer/1627649790) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### 3Up2Down　家計簿

[App page](https://appshunter.io/ios/app/3up2down/id1627649788)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告なしプラン(200円) | $0.99 | per month |
| 広告なしプラン(300円) | $1.99 | per month |
| 月額プラン(広告なし) | $2.99 | per month |
| 年額プラン(広告なし) | $29.99 | per year |
| 買い切りプラン(広告あり) | $59.99 | one-time |


### Instant Compound Calculator

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 3Up2Down　家計簿 free?

3Up2Down　家計簿 is free to download, with in-app purchases available.

### Is Instant Compound Calculator free?

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

### Do 3Up2Down　家計簿 or Instant Compound Calculator have ads?

3Up2Down　家計簿 shows ads; Instant Compound Calculator does not.

### Which is updated more often, 3Up2Down　家計簿 or Instant Compound Calculator?

3Up2Down　家計簿 ships an update every 4 days, and Instant Compound Calculator every 2 months. Most recently, 3Up2Down　家計簿 was updated on October 4, 2026 and Instant Compound Calculator on October 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.*