Comparison

EcoGPT vs Castograph

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

Head to head
About

EcoGPT

This AI chatbot offers powerful writing, thinking, and creative assistance with a focus on reducing environmental impact. It provides efficient processing and transparent eco-tracking, allowing users to contribute to tree planting with their usage.

Highlights
  • AI chatbot for writing and ideation
  • Environmentally responsible AI processing
  • Eco-impact dashboard
  • Tree planting contributions
  • Unlimited chats (Premium)
  • Image generation (Premium)
  • Web search (Premium)
Features
Currently charting
Read full description

EcoGPT is an AI assistant for writing, learning, planning, research, web search, image creation, and everyday questions. It is built around a simple idea: powerful AI should be useful and more responsible. Use EcoGPT like the assistant you already expect, with a cleaner interface and impact built in. What you can do: - Write, edit, and brainstorm - Learn new topics and study step by step - Search the web for current information - Create images from prompts - Plan work, school, travel, and daily life - Track your estimated impact as EcoGPT helps fund verified tree planting EcoGPT is free to start. EcoGPT Pro unlocks unlimited chats, faster responses, image generation, web search, memory, and full impact analytics. Every 100 chats helps plant one real tree through EcoGPT's partners. Same useful AI, with a better reason to use it every day. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Castograph

Features
Read full description

Plan formations and movement paths more clearly before rehearsal. Place performers, set transition timing, and check curved routes and overlapping paths before your team steps on stage. Preview the full routine with music, then share the finished movement plan as a video or chart. Castograph is a visual formation planner for choreographers, dance teachers, directors, and performance teams. Build precise stage layouts, organize formations on a timeline, and see how performers move from one formation to the next at a glance. # Core Features • Visual stage planning Place and move performers on an 18 x 10 stage canvas. Use names and colors to keep every position easy to identify. Reuse saved crews to start new projects faster. • Curved movement paths and collision checks Move waypoints to shape smoother curved transitions. Check where movement routes overlap or where performers may collide before rehearsal begins. • Music-synced formation timelines Add and reorder formations, set hold and transition durations, import audio from Files or a video from Photos, and play the full sequence in sync with your track. • Video preview and export Review animated transitions before rehearsal. Preview the finished movement flow as a video and create shareable results your team can follow more easily. Castograph Pro unlocks PDF, image, and video export. # Built For • Choreographers designing routines and transitions • Dance teachers and studio teams preparing rehearsals • Cheerleading, color guard, and marching groups • Musical and theater directors planning stage movement # How It Works - Create a project or choose a saved crew. - Add performers and place them on the stage. - Add formations to the timeline. - Set hold and transition timing. - Import music and preview the full routine. - Preview and export as video, PDF, or image. # Start Free Create up to five projects with unlimited performers and formations. Music-synced playback, timing controls, undo and redo, notes, video preview, and export preview are included. Castograph Pro unlocks unlimited projects and actual PDF, image, and video file generation. #Subscriptions Castograph is free to download and offers optional auto-renewing monthly and yearly subscriptions. Eligible new yearly subscribers may receive a 14-day free trial. Trial, price, renewal, and cancellation terms are shown before purchase. Manage or cancel subscriptions in your Apple Account settings. Privacy Policy and Terms of Use are available in the app. No account is required. Choreography projects and imported media stay on your device unless you choose to export or share them. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://poised-snow-ca5.notion.site/Swallowtail-Privacy-Policy-2ed0fb1b7290807d97efdb7409aa8ad7

Screenshots

EcoGPT4 screens
Castograph4 screens

Verdict

The call

The clearest difference is chart position: EcoGPT at #62 against Castograph's unranked. 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. EcoGPT sells 18 in-app purchases, starting at $5.99 per month and Castograph sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

EcoGPT ships an update every 5 days, Castograph every 4 days. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 10 level
EcoGPT versus Castograph: the parameters behind the verdict, then further details
ParameterEcoGPTCastograph
PriceFreeFree
Rating4.8 (8.8K ratings) — better—
Positive reviews77.2% of reviews—
Number of ratings8.8K — better—
Update frequencyEvery 5 daysEvery 4 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
Best chart rank#62 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.0 — better18.2
Further details — not scored
Size91 MB49 MB
Age rating12+4+
DeveloperEcoGPT IncCHANSU KIM

In-app purchases

18 purchases

EcoGPT

Subscriptions18
  • EcoGPT Monthly Subscription3 Days trial$5.991 Month
  • EcoGPT Monthly Subscription.$7.001 Month
  • EcoGPT Monthly Subscription3 Days trial$9.991 Month
Show 15 more
  • Monthly Subscription7 Days trial$9.991 Month
  • EcoGPT Yearly Subscription.$9.991 Year
  • EcoGPT Monthly Subscription.7 Days trial$10.001 Month
  • EcoGPT Monthly Subscription.$10.001 Month
  • EcoGPT Monthly Subscription.3 Days trial$14.991 Month
  • EcoGPT Monthly Subscription$19.991 Month
  • EcoGPT Monthly Subscription.3 Days trial$19.991 Month
  • EcoGPT Monthly Subscription.$20.001 Month
  • EcoGPT Monthly Subscription.3 Days trial$24.991 Month
  • EcoGPT Yearly Subscription.$29.001 Year
  • EcoGPT Yearly Subscription3 Days trial$49.991 Year
  • EcoGPT Yearly Subscription7 Days trial$49.991 Year
  • EcoGPT Yearly Subscription.7 Days trial$59.991 Year
  • EcoGPT Yearly Subscription7 Days trial$69.991 Year
  • EcoGPT Yearly Subscription3 Days trial$99.991 Year
2 purchases

Castograph

Subscriptions2
  • Pro Monthly$1.991 Month
  • Pro Yearly14 Days trial$19.991 Year

Questions

Is EcoGPT free?
EcoGPT is free to download, with in-app purchases available.
Is Castograph free?
Castograph is free to download, with in-app purchases available.
Do EcoGPT or Castograph have ads?
Both EcoGPT and Castograph show ads.
Which is updated more often, EcoGPT or Castograph?
EcoGPT ships an update every 5 days, and Castograph every 4 days. Most recently, EcoGPT was updated on October 21, 2026 and Castograph on October 10, 2026.

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