# Interest Meter vs 3s Kakeibo

Interest Meter and 3s Kakeibo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Interest Meter sells 1 one-off in-app purchase and 3s Kakeibo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 9, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Interest Meter | 3s Kakeibo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | Every 3 days |
| Size | 6 MB | 7 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) | [丽佳 施](https://appshunter.io/developer/1894580777) |

## What reviewers say

### Interest Meter

[App page](https://appshunter.io/ios/app/interest-meter/id6761615743)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


### 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 Interest Meter free?

Interest Meter is free to download, with in-app purchases available.

### Is 3s Kakeibo free?

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

### Do Interest Meter or 3s Kakeibo have ads?

Both Interest Meter and 3s Kakeibo show ads.

### Which is updated more often, Interest Meter or 3s Kakeibo?

Interest Meter ships an update every 3 days, and 3s Kakeibo every 3 days. Most recently, Interest Meter was updated on September 9, 2026 and 3s Kakeibo on August 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*