# Space Chunks vs RyzaChat

The clearest difference is price: RyzaChat at Free against Space Chunks's $1.99. RyzaChat also leads on update cadence (weekly vs every 3 months) and ratings volume (18 vs 2). Space Chunks's advantage is rating (5.0 vs 2.9) and in-app purchases (none vs 10). On ads, device support and iOS requirement there is nothing between them.

RyzaChat is free to download; Space Chunks costs $1.99 up front. RyzaChat sells 10 in-app purchases, starting at $5.99 per month. Space Chunks asks for nothing beyond the download.

Space Chunks holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: RyzaChat has 18 ratings behind it against 2, so its average is the more settled of the two.

Space Chunks ships an update every 3 months, RyzaChat weekly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Space Chunks | RyzaChat |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/space-chunks/id1120814624/reviews)** | [2.9 (18 ratings)](https://appshunter.io/ios/app/ryzachatai/id6763540981/reviews) |
| Number of ratings | 2 | **18** |
| Positive reviews | — | 22.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 12 MB | 673 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Gomathy Shankaran](https://appshunter.io/developer/503956143) | [SpiralAI Inc.](https://appshunter.io/developer/1801163634) |

## What reviewers say

### Space Chunks

[App page](https://appshunter.io/ios/app/space-chunks/id1120814624)

Explore stunning images and videos from NASA's Astronomy Picture of the Day (APOD). Discover daily celestial wonders and access a curated monthly collection with concise explanations.

**Highlights:** Daily NASA APOD image/video, Monthly curated image/video set, Short explanations from NASA, Refreshable content, Notifications for new content

**Features:** Vision Pro support

**In-app purchases:** none


### RyzaChat

[App page](https://appshunter.io/ios/app/ryzachatai/id6763540981)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RyzaChat PRO (1 Month) | $5.99 | per month |
| RyzaChat Pro Annual (Discount) | $39.99 | per year |
| 会話トークン 901 | $0.99 | one-time |
| 会話トークン 001 | $1.99 | one-time |
| 会話トークン 002 | $3.99 | one-time |
| 会話トークン 003 | $5.99 | one-time |
| チャイナドレス | $9.99 | one-time |
| 会話トークン 004 | $11.99 | one-time |
| 期間限定会話トークン 001 | $19.99 | one-time |
| サマービーチ | $22.99 | one-time |


## Frequently asked questions

### Is Space Chunks free?

Space Chunks costs $1.99, with no in-app purchases.

### Is RyzaChat free?

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

### Which has better reviews, Space Chunks or RyzaChat?

Space Chunks is rated higher. Space Chunks averages 5.0 out of 5 from 2 ratings, while RyzaChat averages 2.9 from 18 ratings.

### Do Space Chunks or RyzaChat have ads?

Neither Space Chunks nor RyzaChat shows ads.

### Which is updated more often, Space Chunks or RyzaChat?

Space Chunks ships an update every 3 months, and RyzaChat weekly. Most recently, Space Chunks was updated on November 2, 2026 and RyzaChat on November 5, 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.*