KOZMONAUT vs Chat RPG
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
KOZMONAUT
Explore the universe, build a mining empire, and battle monsters in this incremental tapper game. Earn resources even when offline and accelerate growth through expeditions. Collect loot, complete missions, and compete on leaderboards.
- Build and upgrade mines for exponential resource gain
- Tap to battle endless waves of monsters and bosses
- Offline resource accumulation
- Expeditions to accelerate growth
- Daily missions and rotating vendor for rewards
- Global leaderboards for competition
- Cosmetic drops to customize character
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KOZMONAUT is the ultimate hybrid of your favorite mobile games. Scour the unknown universe building your mining empire, grabbing loot, vanquishing monsters, minibosses, and huge bosses. Tap away to build up more Spacedust to finance your mines which will accumulate resources even while you're away. But when you do come back, rapidly accelerate your growth by cleaning up the galaxy in your Expeditions. You are just a lone astronaut working for a mysterious entity called the Tendril Mind. Along the way you will meet mysterious beings offering loot and rewards, a diverse range of monsters and environments, and the insatiable desire to build an empire to unknown means. Gameplay Elements: -Build mines to earn more Spacedust at exponential rates. -Tap your way through endless waves of monsters and bosses collecting extra Spacedust and loot to increase your Spacedust gains and monster-vanquishing potential. -Defend your existing mines in high stakes, high rewards levels -Compete with other players around the world with leaderboards that measure both your Spacedust gains and your monster-vanquishing prowess. -Complete Daily Missions for even more rewards -Check out what's new in the Exchange, a rotating Vendor which sells powerful loot for currency that is earned in-game only! -Rare cosmetic drops from grinding planets which will change the appearance of KOZMO!
Chat RPG
Embark on an idle adventure through a fantasy world by making choices via chat. Explore different regions, customize your adventurers' battle styles with equipment and skills, and uncover the truth behind the central kingdom's mysteries. Your journey progresses even when you're away.
- Idle adventure gameplay
- Regional exploration
- Character customization
- Equipment and skill system
- Dungeon battles
- Story-driven progression
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『Chat RPG』 is an idle adventure game by chat. The story of 「Bihwi」 from the East, 「Wooten」 from the West, 「Raum」 from the South, 「Stell」 from the North, and the central Kingdom of 「Reven」... Begin your adventure with your own choice. ◈ Start your adventure by selecting the desired region! There are four regions to choose from: the East, the West, the South, and the North, each with four adventurers waiting for you. ◈ Customize your own battle style with various equipment and skills! Strengthen your adventurers through battles in dungeons. Purchase and equip your preferred equipment from the blacksmith. Learn desired skills from the master and utilize them in battles. ◈ Idle but growing adventurers! What happened in the central Leven Kingdom? Join the journey to uncover the truth. - ※ Precautions The game does not store the player's basic information (ID) on the server. If you delete the app, the information may be initialized. - Do you have any help or suggestions? e-mail: info@netstream.co.kr discord: https://discord.gg/85kp8qCaUF twitter: @Netstream_KR We will actively reflect your feedback.
Screenshots
Verdict
The clearest difference is rating: KOZMONAUT at 4.5 against Chat RPG's 3.0. KOZMONAUT also leads on update cadence (every 4 days vs every 5 weeks). Chat RPG's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.0). On price, review sentiment, ratings volume and in-app purchases 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
Both are free to download. KOZMONAUT sells 1 one-off in-app purchase and Chat RPG sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
KOZMONAUT holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews split almost evenly too, at 50% and 50% positive.
KOZMONAUT ships an update every 4 days, Chat RPG every 5 weeks. The most recent releases landed on September 14, 2026 and June 1, 2026 respectively.
| Parameter | KOZMONAUT | Chat RPG |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (6 ratings) — better | 3.0 (4 ratings) |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| Number of ratings | 6 — better | 4 |
| Update frequency | Every 4 days — better | Every 5 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 166 MB |
| Age rating | 9+ | 9+ |
| Developer | Coast Media House LLC | Netstream |
Customer experience
KOZMONAUT
Chat RPG
In-app purchases
KOZMONAUT
- KOZMIC PACK$2.99
Chat RPG
- Battle Speed Up Buff Package$2.99









