# RadNow! vs つぶやきメモ

The clearest difference is in-app purchases: RadNow! at none against つぶやきメモ's 2. RadNow! also leads on ads (none vs shown). つぶやきメモ's advantage is update cadence (every 5 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. つぶやきメモ sells 2 in-app purchases, starting at $1.99 per month. RadNow! asks for nothing beyond the download.

RadNow! ships an update every 3 weeks, つぶやきメモ every 5 days. The most recent releases landed on August 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | RadNow! | つぶやきメモ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/radnow/id6476801525/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 18 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Borzoi AI株式会社](https://appshunter.io/developer/1766880957) | [Ryota Yashima](https://appshunter.io/developer/1845144176) |

## What reviewers say

### RadNow!

[App page](https://appshunter.io/ios/app/radnow/id6476801525)

This app visualizes real-time radiation levels across Japan using data from over 4900 monitoring posts. It offers an intuitive map interface with color-coded icons and historical data graphs for easy understanding of radiation trends.

**Highlights:** Real-time radiation data visualization, Nationwide monitoring post data, Interactive map interface, Color-coded radiation level icons, Historical data graphs, Daily automatic updates

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

**In-app purchases:** none


### つぶやきメモ

[App page](https://appshunter.io/ios/app/sns/id6757631272)

This app offers a unique way to journal by mimicking a social media timeline, allowing users to easily post thoughts, photos, and videos. It features a helpful AI assistant to find past entries and offer advice, making it a private space for personal reflection and creative expression.

**Highlights:** SNS-style timeline for notes, Attach photos and videos to entries, AI assistant for search and advice, Tagging for easy organization, Customizable theme colors, Home screen widget support, Reminder function

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $1.99 | per month |
| プレミアム（年額） | $22.99 | per year |


## Frequently asked questions

### Is RadNow! free?

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

### Is つぶやきメモ free?

つぶやきメモ is free to download, with in-app purchases available.

### Do RadNow! or つぶやきメモ have ads?

つぶやきメモ shows ads; RadNow! does not.

### Which is updated more often, RadNow! or つぶやきメモ?

RadNow! ships an update every 3 weeks, and つぶやきメモ every 5 days. Most recently, RadNow! was updated on August 25, 2026 and つぶやきメモ on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*