# MAMORIOアンテナ vs Rizzy

The clearest difference is in-app purchases: MAMORIOアンテナ at none against Rizzy's 14. MAMORIOアンテナ also leads on ads (none vs shown) and iOS requirement (14.0 vs 18.2). Rizzy's advantage is update cadence (every 2 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Rizzy sells 14 in-app purchases, starting at $6.99 per 7 days. MAMORIOアンテナ asks for nothing beyond the download.

MAMORIOアンテナ ships an update every 2 months, Rizzy every 2 days. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MAMORIOアンテナ | Rizzy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 18 MB | 33 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NEARIZE K.K.](https://appshunter.io/developer/952095467) | [AYUMU MIYATANI](https://appshunter.io/developer/1790333404) |

## 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


### Rizzy

[App page](https://appshunter.io/ios/app/rizzy-chat-assistant-ai/id6740508300)

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rizzy+ Weekly | $6.99 | per 7 days |
| Rizzy GOLD Weekly | $9.99 | per 7 days |
| Rizzy PLATINUM Weekly | $14.99 | per 7 days |
| Rizzy+  Monthly | $19.99 | per month |
| Rizzy GOLD Monthly | $24.99 | per month |
| Rizzy PLATINUM Monthly | $29.99 | per month |
| Rizzy+ Semiannual | $99.99 | per 6 months |
| Rizzy GOLD Semiannual | $119.99 | per 6 months |
| Rizzy PLATINUM Semiannual | $149.99 | per 6 months |
| Coin.Dollar | $0.99 | one-time |
| Credit.Rizzy | $0.99 | one-time |
| 200 Dollar | $19.99 | one-time |
| 400 Dollar | $39.99 | one-time |
| 1000 Dollar | $99.99 | one-time |


## 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 Rizzy free?

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

### Do MAMORIOアンテナ or Rizzy have ads?

Rizzy shows ads; MAMORIOアンテナ does not.

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

MAMORIOアンテナ ships an update every 2 months, and Rizzy every 2 days. Most recently, MAMORIOアンテナ was updated on October 12, 2026 and Rizzy on October 7, 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.*