Comparison

Harvest vs Redtail

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

Head to head
About

Harvest

Instantly condense long articles, videos, and discussions into concise summaries and key points with your choice of AI. Save, search, and access your summaries across all your devices.

Highlights
  • One-tap sharing from any app
  • Summarize articles, videos, and threads
  • Choose from Claude, GPT, or Gemini AI
  • Save and search summaries
  • Cross-device sync (iPhone, iPad, web)
  • Summarize content in multiple languages
Features
Read full description

One tap from Share — Safari, YouTube, Messages, anywhere. Long articles, podcasts, and 1-hour talks become a concise summary + key points. Pick your AI: Claude, GPT, or Gemini. Save, scrap, and search every summary across iPhone, iPad, and the web. How it works 1. Find a long article, video, or thread anywhere on iOS 2. Tap Share → choose Harvest 3. Get a concise summary, key points, and a quick "is this worth reading?" verdict — in seconds What you can summarize • Long-form articles — Medium, Substack, news sites, blogs • YouTube videos — including 1-hour talks, lectures, and podcasts • Reddit threads, X/Twitter discussions, forum posts • Newsletters and email links • Korean, Japanese, English content (input in most languages) • Anything with a Share button on iOS Why people switch to Harvest • One tap from the Share Sheet — no copy-paste, no new tab • Pick your AI — Claude, GPT, and Gemini all available • Save what matters — favorite summaries and save key sentences as scraps • Find it again, fast — search across every summary you've ever made • Read across languages — English content, Korean summary (or vice versa) • Cross-device sync — iPhone, iPad, web. Your library follows you Perfect for • Research and study — get a quick read on a paper before committing • Daily news catch-up — scan the day's headlines as concise summaries • YouTube backlog — clear your "watch later" without watching every minute • Newsletter overload — quickly get the gist of every issue • Team links — know what someone shared before you click • Long Reddit/forum threads — see the gist before scrolling Privacy and trust • Summaries are generated by your selected AI provider (Claude, GPT, or Gemini). Source content is sent to that provider strictly to produce the summary. • Your library is private by default. Public sharing is opt-in, scoped to a single summary, and revocable. • For full details, see harvest.pub/privacy-policy. FAQ Q. Which sites are supported? A. Anywhere with an iOS Share button — Safari, YouTube, news apps, Reddit, Medium, Substack, Slack/Discord links, RSS readers, and more. Q. How long can a video be? A. Most 1–2 hour talks, podcasts, and lectures work fine. Q. Can I switch AI models per summary? A. Yes. Pick the default model in Settings; switch any time without losing your library. Q. What if a page is paywalled or login-required? A. Harvest summarizes whatever it can fetch from the shared URL. Pages behind a login may return a partial result; sharing the rendered article view from Reader Mode usually works. Q. What about my data? A. Summaries are generated by your selected AI provider. For details on what we collect and how it's used, see our privacy policy at harvest.pub/privacy-policy. Q. Do I need an account? A. Sign in once with Apple or Google to sync across devices. That's it. Sign in with Apple supported.

About

Redtail

Features
Read full description

Ace your studies—one smart quiz at a time. Struggling to stay focused while studying? Transform your notes, lectures, or classroom videos into interactive, AI-powered quizzes designed just for you. Whether it’s a textbook chapter, voice memo, or recorded Zoom session, simply upload your content and let our AI do the work. With adaptive difficulty, gamification, and personalized question generation, our platform turns passive learning into an engaging, active experience. Key Features: Instant AI-Generated Quizzes Upload PDFs, DOCX, PPTs, MP3s, MP4s, and more. Our AI extracts key points and generates tailored quizzes from your study materials. Smart Difficulty Adjustment Quizzes automatically adapt to your skill level based on your performance—helping you build knowledge at your pace. Gamify Your Learning Earn XP, unlock badges, and celebrate your progress with achievements designed to keep you motivated. Cross-Platform Experience Built with Flutter, our app works seamlessly across mobile and web—letting you study whenever, wherever. Personalized Profiles & Avatars Customize your avatar, set your difficulty level, and track your progress through detailed performance insights. How It Works: Sign up and complete your profile. Upload your notes or lecture media. Let AI convert content into a dynamic quiz. Take the quiz, earn XP, and unlock achievements. Watch your skills grow—and level up when you’re ready. Ideal for students, self-learners, and lifelong learners looking for a smarter way to study.

Screenshots

Harvest4 screens
Redtail4 screens

Verdict

The call

The clearest difference is iOS requirement: Redtail at 12.0 against Harvest's 17.0. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
Harvest versus Redtail: the parameters behind the verdict, then further details
ParameterHarvestRedtail
PriceFreeFree
Rating4.4 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 4 weeks—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size62 MB82 MB
Age rating12+4+
DeveloperTab0 Inc.JULIJA JANKELAITYTE

In-app purchases

None

Harvest

No in-app purchases

None

Redtail

No in-app purchases

Questions

Is Harvest free?
Harvest is free to download, with no in-app purchases.
Is Redtail free?
Redtail is free to download, with no in-app purchases.
Do Harvest or Redtail have ads?
Neither Harvest nor Redtail shows ads.

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