Comparison

threadpd vs RyzaChat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

threadpd

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
Read full description

●Features 1. Customizable Theme Colors Personalize your forum with your own color scheme. From a selection of color themes to creating your custom color set, tailor the look and feel to your preference. Enjoy a more comfortable browsing experience! 2. Unread Thread Management Easily keep track of unread threads. Continue right where you left off when you return. 3. Favorites Function Instantly access your favorite threads and boards. Tracking them has never been easier. 4. Advanced Media Display Quickly grasp content with thumbnail displays of images and videos. Enjoy smooth video playback integrated right into the forum. 5. Powerful In-Thread Search Find information instantly with a variety of search options, including regex search, image and video extraction, filtering replies addressed to you, and highlighting hot responses. 6. Media Download Easily save images and mp4 videos. Enjoy your favorite content offline, anytime. 7. Data Save Feature Limit thumbnail loading of images and videos to Wi-Fi connections only. Save on your data usage efficiently. 8. Regex NG Feature Hide replies using specified keywords or regex patterns. Achieve a stress-free forum browsing experience. 9. Anchor Notification Feature Get push notifications when your post is referenced. Stay at the forefront of the conversation. ■■■ About Subscription ■■■ Subscribing will remove banner ads and allow you to use the app more comfortably. ●About Subscription 1. Subscriptions will be billed through your Apple ID. 2. Subscriptions are auto-renewable. You can stop automatic renewal if it is more than 24 hours before the end of the registration period. 3. Subscription renewal procedures occur from 24 hours before the end of the registration period until the end of the period. 4. To stop automatic renewal, please go to your Apple ID settings after purchase. ●Privacy Policy https://github.com/lynnswap/threadpd/blob/main/PrivacyPolicy/English.md ●Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ●Confirmation and Cancellation Select "Subscriptions" on your Apple ID page. From this screen, you can check the timing of the next automatic renewal and cancel or set automatic renewal.

About

RyzaChat

Engage in an AI-powered roleplaying adventure where your conversations with a familiar character shape a unique, unfolding story. Explore, battle, and build in a dream world, or simply chat and enjoy casual conversation.

Highlights
  • AI-driven story creation
  • Interactive roleplaying
  • RPG and Chat modes
  • Character conversations
  • World exploration and building
  • Official character voice integration
Read full description

Immersive Storycrafting AI RPG “RyzaChat:AI” This is Ryza’s dream world. A summer story created together with you, the protagonist of this world. There’s no predetermined path. No predetermined story. Where you go and what you do are entirely up to you. Just start a conversation. With your own words, create a one-of-a-kind “dream story” together with Ryza. ◆ Just Talk, and the Story Unfolds ◆ “Let’s go gather materials in the forest!” “A monster! Attack with a Bomb!” “Let’s open a shop and strike it rich!” Explore, gather, synthesize, battle, trade, and build your own base. Tell Ryza what you want to do, and the story begins to move. What you aim for and what kind of story you create are up to you. Use your imagination and your own words to adventure through the world of Atelier Ryza. ◆ Adventure or Chat. Spend Your Time Your Way ◆ Want to move the story forward? Choose RPG Mode. Just want to chat with Ryza? Choose Chat Mode. Switch between them anytime to match your mood! And Ryza isn’t the only familiar face. More than 30 characters from the Atelier Ryza series appear, including Klaudia! Who will you meet? What will you do together? Enjoy an adventure that’s uniquely yours. ◆ Recommended for you if... ◆ - You love Atelier Ryza, alchemy worlds, or anime RPG games - You want an AI companion to talk with in your spare time - You enjoy TRPG-style roleplay where your own words drive the story - You want a storycrafting RPG with no fixed scenario - You prefer "talking to create" over reading a visual novel - You want to roleplay as the protagonist in an anime world - You love anime chat and character roleplay experiences - You want casual small talk with a friendly AI companion - You want to hear Ryza speak with an AI voice based on her official voice actress - You like ASMR-style soft voice moments - You are an anime fan or otaku who enjoys oshi culture - You want to meet Klaudia and other beloved Atelier characters - You loved gathering, synthesis and battles in the Atelier series - You are curious what stories AI chat can create beyond your imagination ◆ About RyzaChat:AI ◆ RyzaChat:AI is an officially licensed AI chat RPG based on the Atelier Ryza series. Ryza becomes your companion, and your conversations weave the story — not a visual novel you read, but a story you create by talking. With her character voice built from the official voice actress, enjoy everything from casual anime chat to full roleplay adventure. ―――――――――――――――――――― ◆ Official Website: https://ryzachat-ai.go-spiral.ai/ ◆ Privacy Policy: https://ryzachat-ai.go-spiral.ai/privacy “RyzaChat:AI – Your One-of-a-Kind Summer Dream Story with Ryza” respects user privacy and is committed to protecting personal information. Please see our Privacy Policy for details. ◆Terms of Service: https://ryzachat-ai.go-spiral.ai/terms ◆End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

threadpd1 screens
RyzaChat4 screens

Verdict

The call

The clearest difference is rating: threadpd at 5.0 against RyzaChat's 3.2. threadpd also leads on review sentiment (66% vs 24%). RyzaChat's advantage is ads (none vs shown) and ratings volume (13 vs 2). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. threadpd sells 3 in-app purchases, starting at $0.99 per month and RyzaChat sells 12 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

threadpd holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: RyzaChat has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 66% of threadpd's written reviews are positive against 24% of RyzaChat's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
threadpd versus RyzaChat: the parameters behind the verdict, then further details
ParameterthreadpdRyzaChat
PriceFreeFree
Rating5.0 (2 ratings) — better3.2 (13 ratings)
Positive reviews65.8% of reviews — better23.7% of reviews
Number of ratings213 — better
Update frequencyWeeklyWeekly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size23 MB673 MB
Age rating17+17+
DeveloperKazuki NakashimaSpiralAI Inc.

Customer experience

threadpd

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews38 reviews
Positive65.8%
Neutral18.4%
Negative15.8%

RyzaChat

All ratings13 ratings
Positive38.5%
Neutral30.8%
Negative30.8%
Written reviews38 reviews
Positive23.7%
Neutral26.3%
Negative50.0%

Bugs and requests

threadpd

Reported bugs

26 issues
  • URL opening behavior is strange
  • Search results show errors
  • Read threads sort automatically
  • Cannot write due to 'donguri' system issues
  • Does not show button to scroll to latest reply
Show 21 more
  • Previously loaded threads are prioritized and obstructive
  • String NG is not easy
  • Crashes after posting messages
  • Cannot return to previous thread with right swipe
  • No tree view
  • Need to delete viewed threads manually
  • Some boards are inaccessible
  • App freezes before reaching the bottom of a thread
  • Cannot input Japanese with Gboard
  • Top UI elements disappear after switching apps
  • Bottom icons disappear
  • Edge not supported
  • Response retrieval has a slight delay
  • Animation effects are long
  • Video thumbnails continue playing in background
  • Cannot write with 'octopus' error
  • App crashes frequently
  • App freezes during scrolling
  • Cannot write/post
  • Some boards not displayed
  • Cannot access most boards

Requested features

31 requests
  • Quick access menu for favorite threads
  • Hide search bar in board list
  • Display replies in thread view
  • Add quick access to favorite threads
  • Add tree view
Show 26 more
  • Add chain NG function
  • Support for custom forums with better English
  • Add 'donguri' login function
  • Support for HTML tags in response body
  • Disable specific text formatting (italics, strikethrough)
  • Add AA display support
  • Make NG reason non-hidden editable in 'NG Settings'
  • Provide alternative way to close ID pop-up
  • Easier NG for Watchi
  • Set default NG period other than Forever
  • Allow mixing unread and read threads in ranking
  • Full-screen video playback
  • Fix video playback when returning to thread list
  • Improve animation effects
  • Fix scrolling to partially loaded threads
  • Make string NG easier
  • Add button to scroll to latest reply
  • Allow sorting of read threads
  • Fix Japanese input with Gboard
  • Fix disappearing UI elements
  • Fix disappearing bottom icons
  • Support for Edge
  • Improve response retrieval speed
  • Add full-screen video playback
  • Fix video playback in background
  • Add chain NG function

RyzaChat

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

threadpd

Subscriptions1
  • threadpd Monthly Subscription$0.991 Month
One-time2
  • Have a Drink on Me$2.99
  • Hearty BBQ Platter$9.99
12 purchases

RyzaChat

Subscriptions2
  • RyzaChat PRO (1 Month)$5.991 Month
  • RyzaChat Pro Annual (Discount)3 Days trial$39.991 Year
One-time10
  • 会話トークン 901$0.99
  • 会話トークン 001$1.99
  • 会話トークン 002$3.99
Show 7 more
  • 会話トークン 003$5.99
  • チャイナドレス$9.99
  • 会話トークン 004$11.99
  • 期間限定会話トークン 001$19.99
  • ハッピーサンシャイン$22.99
  • サマービーチ$22.99
  • 会話トークン 006$24.99

Questions

Is threadpd free?
threadpd is free to download, with in-app purchases available.
Is RyzaChat free?
RyzaChat is free to download, with in-app purchases available.
Which has better reviews, threadpd or RyzaChat?
threadpd is rated higher. threadpd averages 5.0 out of 5 from 2 ratings, while RyzaChat averages 3.2 from 13 ratings.
Do threadpd or RyzaChat have ads?
threadpd shows ads; RyzaChat does not.
Which is updated more often, threadpd or RyzaChat?
threadpd ships an update weekly, and RyzaChat weekly. Most recently, threadpd was updated on October 12, 2026 and RyzaChat on October 13, 2026.

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