# 虹ぶら vs threadpd

The clearest difference is rating: threadpd at 5.0 against 虹ぶら's 3.0. threadpd also leads on update cadence (weekly vs every 5 weeks) and review sentiment (66% vs 45%). 虹ぶら's advantage is in-app purchases (none vs 3). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. threadpd sells 3 in-app purchases, starting at $0.99 per month. 虹ぶら asks for nothing beyond the download.

threadpd holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 45% of 虹ぶら's written reviews are positive against 66% of threadpd's.

虹ぶら ships an update every 5 weeks, threadpd weekly. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 虹ぶら | threadpd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/id627533749/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/threadpd/id6470347919/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 45.3% of reviews | **65.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 17 MB | 23 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [Masayoshi Okada](https://appshunter.io/developer/627533774) | [Kazuki Nakashima](https://appshunter.io/developer/1671411033) |

## What reviewers say

### 虹ぶら

[App page](https://appshunter.io/ios/app/id627533749)

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

**In-app purchases:** none


### threadpd

[App page](https://appshunter.io/ios/app/threadpd/id6470347919)

Enhance your forum browsing with customizable themes, efficient unread thread management, and advanced search capabilities. Quickly access favorites, view media thumbnails, and save content for offline enjoyment. Receive notifications for replies to your posts and manage data usage.

**Highlights:** Customizable theme colors, Unread thread management, Favorites function, Advanced media display and playback, Powerful in-thread search, Media download, Data save feature, Regex NG feature, Anchor notification feature

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| threadpd Monthly Subscription | $0.99 | per month |
| Have a Drink on Me | $2.99 | one-time |
| Hearty BBQ Platter | $9.99 | one-time |


## Frequently asked questions

### Is 虹ぶら free?

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

### Is threadpd free?

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

### Which has better reviews, 虹ぶら or threadpd?

threadpd is rated higher. 虹ぶら averages 3.0 out of 5 from 1 ratings, while threadpd averages 5.0 from 2 ratings.

### Do 虹ぶら or threadpd have ads?

Both 虹ぶら and threadpd show ads.

### Which is updated more often, 虹ぶら or threadpd?

虹ぶら ships an update every 5 weeks, and threadpd weekly. Most recently, 虹ぶら was updated on September 23, 2026 and threadpd on September 22, 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.*