# 消費税電卓 in 返済くん vs LectureWatch

The clearest difference is ads: LectureWatch at none against 消費税電卓 in 返済くん's shown. 消費税電卓 in 返済くん's advantage is update cadence (every 9 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

消費税電卓 in 返済くん ships an update every 9 days, LectureWatch every 2 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 消費税電卓 in 返済くん | LectureWatch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 5 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ichiro tanioka](https://appshunter.io/developer/557079290) | [TARO TATSUMI](https://appshunter.io/developer/1836111580) |

## What reviewers say

### 消費税電卓 in 返済くん

[App page](https://appshunter.io/ios/app/in/id1623333455)

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

**In-app purchases:** none


### LectureWatch

[App page](https://appshunter.io/ios/app/lecturewatch/id6754700306)

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

**In-app purchases:** none


## Frequently asked questions

### Is 消費税電卓 in 返済くん free?

消費税電卓 in 返済くん is free to download, with no in-app purchases.

### Is LectureWatch free?

LectureWatch is free to download, with no in-app purchases.

### Do 消費税電卓 in 返済くん or LectureWatch have ads?

消費税電卓 in 返済くん shows ads; LectureWatch does not.

### Which is updated more often, 消費税電卓 in 返済くん or LectureWatch?

消費税電卓 in 返済くん ships an update every 9 days, and LectureWatch every 2 months. Most recently, 消費税電卓 in 返済くん was updated on October 5, 2026 and LectureWatch on October 6, 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.*