# MAMORIOアンテナ vs Riiiver

The clearest difference is monetization model: MAMORIOアンテナ at free against Riiiver's ad-supported. MAMORIOアンテナ also leads on review sentiment (29% vs 17%). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | MAMORIOアンテナ | Riiiver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (4 ratings)](https://appshunter.io/ios/app/riiiver/id1449580790/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **28.6% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 18 MB | 34 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEARIZE K.K.](https://appshunter.io/developer/952095467) | [CITIZEN WATCH CO.,LTD](https://appshunter.io/developer/434806605) |

## What reviewers say

### MAMORIOアンテナ

[App page](https://appshunter.io/ios/app/mamorio/id1140426745)

Transform old iPhones and iPads into dedicated trackers for your MAMORIO devices. This app enhances your ability to monitor children and pets by creating a network of detection points, ideal for those already using MAMORIO products.

**Highlights:** Dedicated tracking antenna, Utilize old iPhones/iPads, Monitor children and pets, Multi-point monitoring, Works with MAMORIO devices

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

**In-app purchases:** none


### Riiiver

[App page](https://appshunter.io/ios/app/riiiver/id1449580790)

This platform allows users to create and customize "iiideas" by connecting compatible products and services. No programming skills are required to assemble functional modules and bring your own ideas to life.

**Highlights:** Create and use functional "iiideas", Assemble functions from Trigger, Service, and Action Pieces, No programming skills needed, Develop custom Pieces (for advanced users), Connects compatible products and services, Open IoT platform

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MAMORIOアンテナ free?

MAMORIOアンテナ is free to download, with no in-app purchases.

### Is Riiiver free?

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

### Do MAMORIOアンテナ or Riiiver have ads?

Neither MAMORIOアンテナ nor Riiiver shows ads.

### Which is updated more often, MAMORIOアンテナ or Riiiver?

MAMORIOアンテナ ships an update every 2 months, and Riiiver every 2 months. Most recently, MAMORIOアンテナ was updated on October 12, 2026 and Riiiver on October 21, 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.*