# MAMORIO vs 三井のカーシェアーズ（New）

The clearest difference is rating: 三井のカーシェアーズ（New） at 4.7 against MAMORIO's 4.0. 三井のカーシェアーズ（New） also leads on in-app purchases (none vs 4) and ratings volume (16 vs 3). MAMORIO's advantage is review sentiment (25% vs 17%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MAMORIO sells 4 in-app purchases, starting at $8.99 per year. 三井のカーシェアーズ（New） asks for nothing beyond the download.

三井のカーシェアーズ（New） holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: 三井のカーシェアーズ（New） has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 25% of MAMORIO's written reviews are positive against 17% of 三井のカーシェアーズ（New）'s, so the app with the better star average is not the one people write more warmly about.

MAMORIO ships an update every 10 days, 三井のカーシェアーズ（New） every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MAMORIO | 三井のカーシェアーズ（New） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/mamorio/id952095468/reviews) | **[4.7 (16 ratings)](https://appshunter.io/ios/app/new/id6753165563/reviews)** |
| Number of ratings | 3 | **16** |
| Positive reviews | **25.5% of reviews** | 17.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 63 MB | 94 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NEARIZE K.K.](https://appshunter.io/developer/952095467) | [Mitsui Fudosan Realty Co., Ltd.](https://appshunter.io/developer/810773913) |

## What reviewers say

### MAMORIO

[App page](https://appshunter.io/ios/app/mamorio/id952095468)

This app helps you prevent losing your belongings by attaching a small tag. It notifies you when you leave an item behind and allows you to see its last detected location via a Bluetooth crowd-sensor network. It also offers a community-based finding feature and lost-and-found integration in select regions.

**Highlights:** Left-behind alerts, Last detected location history, Crowd tracking network, MAMORIO Spot integration (Japan), iPhone found alerts (Japan), Tag setup and management

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Anshin Plan(wallet) | $8.99 | per year |
| AnshinPlan(Bag) | $8.99 | per year |
| Anshin Plan(Key) | $8.99 | per year |
| Anshin Plan(Electronics) | $8.99 | per year |


### 三井のカーシェアーズ（New）

[App page](https://appshunter.io/ios/app/new/id6753165563)

A car-sharing service offering 24/7 access to vehicles from 30-minute increments. Easily search, book, use, and return cars through the app, with a wide selection of vehicle types and flexible pricing plans.

**Highlights:** 24/7 car access from 30-minute increments, App-based search, booking, usage, and return, Wide variety of vehicle types, Flexible pricing plans, Biometric login (fingerprint/face recognition), Quick start from sign-up

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

**In-app purchases:** none


## Frequently asked questions

### Is MAMORIO free?

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

### Is 三井のカーシェアーズ（New） free?

三井のカーシェアーズ（New） is free to download, with no in-app purchases.

### Which has better reviews, MAMORIO or 三井のカーシェアーズ（New）?

三井のカーシェアーズ（New） is rated higher. MAMORIO averages 4.0 out of 5 from 3 ratings, while 三井のカーシェアーズ（New） averages 4.7 from 16 ratings.

### Do MAMORIO or 三井のカーシェアーズ（New） have ads?

Neither MAMORIO nor 三井のカーシェアーズ（New） shows ads.

### Which is updated more often, MAMORIO or 三井のカーシェアーズ（New）?

MAMORIO ships an update every 10 days, and 三井のカーシェアーズ（New） every 2 weeks. Most recently, MAMORIO was updated on October 24, 2026 and 三井のカーシェアーズ（New） on October 25, 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.*