Headway is a book-summary app with a habit layer: 1,700+ fifteen-minute summaries, daily insights, streaks, challenges, and a spaced-repetition review of the ideas you save. It is the summary app for people who like Duolingo-style nudges.
MindShark shares the habit mechanics — streaks, XP, leagues — but the content is different in kind. Instead of a summary of a book someone else chose, you get a Deep Dive on a topic you chose, broken into Bites that each end with a quiz.
| Feature | MindShark | Headway |
|---|---|---|
| Topic choice | Any topic you name — a Deep Dive is generated on demand | Catalog of 1,700+ book summaries |
| Session format | 10 Modules of ~5-minute quiz-driven Bites | 15-minute text or audio summaries |
| Retrieval practice / quizzes | Yes | Light knowledge checks |
| Adaptive difficulty | Yes | No |
| Diagnostic before content | Yes | No |
| Mistake review | Yes | No |
| Spaced review | Yes | Of saved insights |
| Streaks and gamification | XP, streaks, leagues | Streaks, challenges, widgets |
| Audio | No | Yes |
| Offline | Installable PWA | Yes |
| Platforms | Web app, installable as a PWA; native iOS/Android planned | iOS, Android, web |
| Best for | Learning a subject in daily five-minute sessions | Self-improvement reading habits |
| Tier | MindShark | Headway |
|---|---|---|
| Free | 1 Deep Dive/day, 2 Bites/day, no ads | One summary per day |
| Paid | Premium $7.99/mo or $49.99/yr (7-day trial) | Premium $12.99/mo or $89.99/yr |
| Trial | 7 days | 7 days |
Headway also sells a 3-month plan at $29.99.
Headway is the better summary app for habit-driven readers: cheaper than Blinkist on the annual plan, and the streaks and challenges genuinely get people to open it. If the goal is to read more self-help, it works.
MindShark is the better choice when the goal is a subject rather than a shelf. Headway can only serve what is in its catalog; MindShark builds the course on demand and tests you on it. If you already like Headway's habit loop, MindShark's will feel familiar — with a quiz at the end of every session instead of a "mark as read".
Yes, with one summary per day. Premium unlocks the full library, audio, and offline mode after a 7-day trial.
$89.99/yr, or $12.99 month to month. MindShark Premium is $49.99/yr or $7.99/mo.
Yes, for insights you save. MindShark applies spaced review to every quiz question you miss, automatically.
Not on Headway. MindShark generates a Deep Dive on any topic you name.