# 点滴計算 vs Checktac

The clearest difference is in-app purchases: 点滴計算 at none against Checktac's 1. 点滴計算 also leads on device support (3 vs 1). Checktac's advantage is update cadence (every 3 days vs every 2 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Checktac sells 1 one-off in-app purchase. 点滴計算 asks for nothing beyond the download.

点滴計算 ships an update every 2 months, Checktac every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 点滴計算 | Checktac |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 3 MB | 26 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ai yamada](https://appshunter.io/developer/1885587377) | [MIYAKO SUZUKI](https://appshunter.io/developer/6785457581) |

## What reviewers say

### 点滴計算

[App page](https://appshunter.io/ios/app/id6761231259)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Checktac

[App page](https://appshunter.io/ios/app/checktac/id6785457579)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |


## Frequently asked questions

### Is 点滴計算 free?

点滴計算 is free to download, with no in-app purchases.

### Is Checktac free?

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

### Do 点滴計算 or Checktac have ads?

Neither 点滴計算 nor Checktac shows ads.

### Which is updated more often, 点滴計算 or Checktac?

点滴計算 ships an update every 2 months, and Checktac every 3 days. Most recently, 点滴計算 was updated on October 25, 2026 and Checktac 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.*