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📖 The AI Tool Bible

GradGPT vs Hello History

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 GradGPT logo
GradGPT
Writing
Hello History logo
Hello History
Writing
TaglineAI essay coach that scores and red-flags college application drafts against admissions rubrics.AI chatbot app for life-like conversations with historical figures like Einstein, Cleopatra, and Buddha.
CategoryWritingWriting
PricingFreemium· Free plan: $0 · GradGPT Plus yearly: $12/month · GradGPT Plus monthly: $36/monthFreemium· Free messages on signup (~20-30); paid subscription for unlimited use
Model—Multi-model (Humy.ai platform)
Editorial score6.8 / 106.9 / 10
Use cases
college-essay-feedbackadmissions-prepcommon-app-essaysap-test-practicecollege-matching
historical-roleplayedutainmentclassroom-engagementmuseum-exhibitslanguage-practice
Pros
  • Cheaper than a human admissions consultant for the same iteration loop
  • Rubric-based scoring grounded in real admit benchmarks
  • Free access path for low-income and Title I students
  • Covers the full app: essays, activities, AP prep, college match
  • Curated personas for dozens of historical figures with tailored voices
  • Cross-platform mobile app (iOS and Android) with multilingual support
  • Education and exhibition tiers for schools and museums
  • Low-friction free tier to try before subscribing
Cons
  • Underlying model and methodology aren't disclosed
  • US admissions focus; thin value for international applicants
  • No API or programmatic access for schools or counselors
  • Risk of homogenized 'AI-flavored' essays if students over-rely
  • Generated answers can hallucinate quotes and facts; not a research tool
  • Mobile-only with no public API or web client
  • Subscription required quickly once free messages run out
  • Limited transparency about the underlying model
Websitegradgpt.comhellohistory.ai
Pick GradGPT if
  • ✅ Cheaper than a human admissions consultant for the same iteration loop
  • ✅ Rubric-based scoring grounded in real admit benchmarks
  • ✅ Free access path for low-income and Title I students
  • ✅ Covers the full app: essays, activities, AP prep, college match
Pick Hello History if
  • ✅ Curated personas for dozens of historical figures with tailored voices
  • ✅ Cross-platform mobile app (iOS and Android) with multilingual support
  • ✅ Education and exhibition tiers for schools and museums
  • ✅ Low-friction free tier to try before subscribing
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