# Ruler vs 場所通知メモ ~通った場所でメモが届く~

The clearest difference is in-app purchases: 場所通知メモ ~通った場所でメモが届く~ at none against Ruler's 1. Ruler's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Ruler sells 1 one-off in-app purchase. 場所通知メモ ~通った場所でメモが届く~ asks for nothing beyond the download.

Ruler ships an update every 5 months, 場所通知メモ ~通った場所でメモが届く~ every 3 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ruler | 場所通知メモ ~通った場所でメモが届く~ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ruler-scale-ruler/id919130707/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 63.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [mitsunori oishi](https://appshunter.io/developer/905649994) | [Kai Inoue](https://appshunter.io/developer/1870824246) |

## What reviewers say

### Ruler

[App page](https://appshunter.io/ios/app/ruler-scale-ruler/id919130707)

This app displays various measurement scales for length, including meters and inches. It allows users to set magnification ratios and reduced scales for different applications. Users can calibrate the ruler and adjust PPI settings for accurate measurements.

**Highlights:** Display various measurement scales, Set magnification ratios, Set reduced scales, Measure in meters and inches, Free mode for custom scales, Calibration for accuracy, PPI setting

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Ads | $0.99 | one-time |


### 場所通知メモ ~通った場所でメモが届く~

[App page](https://appshunter.io/ios/app/id6780206124)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ruler free?

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

### Is 場所通知メモ ~通った場所でメモが届く~ free?

場所通知メモ ~通った場所でメモが届く~ is free to download, with no in-app purchases.

### Do Ruler or 場所通知メモ ~通った場所でメモが届く~ have ads?

Both Ruler and 場所通知メモ ~通った場所でメモが届く~ show ads.

### Which is updated more often, Ruler or 場所通知メモ ~通った場所でメモが届く~?

Ruler ships an update every 5 months, and 場所通知メモ ~通った場所でメモが届く~ every 3 months. Most recently, Ruler was updated on November 1, 2026 and 場所通知メモ ~通った場所でメモが届く~ on October 31, 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.*