Comparison

知识星图 vs GPT Solar System Explorer

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

Head to head
About

知识星图

Read full description

探索世界,增长知识,从知识星图开始! 知识星图是一款全新互动型的知识科普类app,软件以3D地球为基础模型,以百科知识为学习内容,带孩子们穿越山川湖海,深入地球的每一个角落,以前所未有的视角解锁地球的无限知识与奇迹。 丰富内容,触手可及 名胜古迹:从巍峨的万里长城到古老的罗马斗兽场,深入了解世界各地著名历史遗迹的背后故事。 地形地貌:从险峻的喜马拉雅山脉到广阔的亚马逊雨林,了解地球多样化的地理特征。 动植物世界:从非洲大草原上的雄狮到深海中的神秘巨型章鱼,探索地球上丰富多彩的生命形式。 历史事件:穿越时空,回顾世界不同历史时期发生的重大事件,了解从古代文明的兴衰到现代科技的突破。 目前知识星图已含有以下内容并持续更新中: - 全世界197个国家巡礼 - 世界美食汇总 - 影响世界的名人 - 举世瞩目的人类建筑奇迹 - 令人瞠目的地球自然奇观 - 五彩缤纷的各国文化 - 跨越五大洲的地球环游线路 沉浸互动,深度体验 知识星图具有精细的3D建模和渲染技术,每一个细节都栩栩如生,仿佛跃然于屏幕之上,带给孩子身临其境的立体视觉享受。 操作简单自由上手:支持多点触控,您可以自由地旋转、缩放、移动3D模型,从各个角度深入探索,发现隐藏的惊喜。 动听语音领航:通过语音讲解,孩子能够接触到丰富的语言素材,从而增强孩子的口语表达能力,更加自信、流畅地与他人交流。 中英双语切换:多数内容已实现中文、英语的双语切换,为孩子未来的学习和职业发展提供更广阔的空间和机会。 知识星图不仅仅是一个知识库,更是一扇通往世界精彩的窗口。它将帮助你拓展视野,增长学识,并激发你对世界的好奇心。 立即下载,开启你的知识探索之旅吧!

About

GPT Solar System Explorer

Explore our Solar System in an interactive 3D environment powered by AI. Discover stunning images and videos from space agencies, and ask your AI guide anything about the cosmos. Perfect for curious minds of all ages.

Highlights
  • Interactive 3D Solar System model
  • AI-powered cosmic guide
  • NASA, SpaceX, ESA imagery & videos
  • Planet and mission details
  • Voice-activated Q&A
  • Intuitive controls for all ages
Features
Read full description

Get ready for an out-of-this-world experience. This interactive 3D space app, powered by advanced AI, brings the wonders of our Solar System to life. Discover breathtaking images and videos from NASA, SpaceX, Roscosmos, the Chinese Space Agency, ESA, and more. Fly from planet to planet, explore the Moon and Sun, and get up close with stunning space photography and footage. The intuitive controls make space exploration easy for both kids and adults. Touch down on any planet and choose from the menu:  - About the Planet – Learn about its structure, atmosphere, and unique features.  - Photos & Videos – Browse exclusive images of spacecraft, planetary landscapes, and historic space missions. - Missions – Discover lunar and Mars rovers, deep-space probes, and Elon Musk’s vision for colonizing Mars using Starships and more Meet your cosmic AI space guide. Curious about black holes? Wondering how astronauts live in space? Just tap the mic button in the lower-right corner and ask anything. Your AI guide holds vast knowledge of the cosmos and adapts to your preferred style, whether you want a simple explanation or a deep scientific breakdown. Download now and embark on a space journey with your AI companion! *** This app offers auto-renewable subscriptions for one month and one year. Your subscription renews automatically 24 hours before the current period ends. You can cancel anytime in your device settings. For details, please review our Privacy Policy: https://kidify.games/privacy-policy/ and Terms of Use: https://kidify.games/terms-of-use/

Screenshots

知识星图4 screens
GPT Solar System Explorer4 screens

Verdict

The call

The clearest difference is review sentiment: 知识星图 at 100% against GPT Solar System Explorer's 0%. 知识星图 also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 知识星图 sells 1 one-off in-app purchase and GPT Solar System Explorer sells 5 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 8 level
知识星图 versus GPT Solar System Explorer: the parameters behind the verdict, then further details
Parameter知识星图GPT Solar System Explorer
PriceFreeFree
Rating—4.7 (96 ratings) — better
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings—96 — better
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
Monetization—Subscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size356 MB288 MB
Age rating4+4+
DeveloperBeijing Chisheng Technology Co., LtdApic Ways

Customer experience

知识星图

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

GPT Solar System Explorer

All ratings90 ratings
Positive92.2%
Neutral1.1%
Negative6.7%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

1 purchases

知识星图

One-time1
  • 知识星图年会员$14.99
5 purchases

GPT Solar System Explorer

Subscriptions4
  • Monthly Pro Subscription$5.991 Month
  • Monthly Super Pro Subscription$19.991 Month
  • Monthly Ultra Pro Subscription$29.991 Month
Show 1 more
  • Yearly Pro Subscription$39.991 Year
One-time1
  • AI coins$5.99

Questions

Is 知识星图 free?
知识星图 is free to download, with in-app purchases available.
Is GPT Solar System Explorer free?
GPT Solar System Explorer is free to download, with in-app purchases available.
Do 知识星图 or GPT Solar System Explorer have ads?
Neither 知识星图 nor GPT Solar System Explorer shows ads.
Which is updated more often, 知识星图 or GPT Solar System Explorer?
知识星图 ships an update every 2 weeks, and GPT Solar System Explorer every 2 weeks. Most recently, 知识星图 was updated on October 30, 2026 and GPT Solar System Explorer on November 4, 2026.

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