# 勾配電卓 vs 基準点ナビ

The clearest difference is update cadence: 基準点ナビ at every 2 months against 勾配電卓's every 45 months. 勾配電卓's advantage is device support (3 vs 1). On price, in-app purchases 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.

勾配電卓 ships an update every 45 months, 基準点ナビ every 2 months. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 勾配電卓 | 基準点ナビ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 45 months | **Every 2 months** |
| Size | 1 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Miyashita](https://appshunter.io/developer/1493701742) | [Takashi Jotani](https://appshunter.io/developer/6789161223) |

## What reviewers say

### 勾配電卓

[App page](https://appshunter.io/ios/app/1x/id1493701743)

**Features:** macOS Compatibility

**In-app purchases:** none


### 基準点ナビ

[App page](https://appshunter.io/ios/app/id6789161221)

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

**In-app purchases:** none


## Frequently asked questions

### Is 勾配電卓 free?

勾配電卓 is free to download, with no in-app purchases.

### Is 基準点ナビ free?

基準点ナビ is free to download, with no in-app purchases.

### Which is updated more often, 勾配電卓 or 基準点ナビ?

勾配電卓 ships an update every 45 months, and 基準点ナビ every 2 months. Most recently, 勾配電卓 was updated on November 7, 2026 and 基準点ナビ on November 10, 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.*