# 31Memorize vs Flashka

31Memorize records 0 monthly visits with 0% month-over-month growth and Freemium pricing. Flashka records 805,913 monthly visits with +2% growth and Freemium pricing.

| Metric | [31Memorize](https://openaitools.app/tool/31memorize) | [Flashka](https://openaitools.app/tool/flashka) |
| :--- | :--- | :--- |
| Website URL | https://31memorize.com | https://www.flashka.ai |
| Categories | AI Language Learning, AI Quiz Generator, AI Productivity Tools | AI Flashcard Maker, AI Quiz Generator, AI Quizzes, AI Homework Helper |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 0 | 805,913 |
| MoM Growth Rate | 0% | +2% |
| Primary Market | Global | Italy |
| Direct Visits | 0 | 432,340 |
| Review Score | 3.8 | 4.1 |
| Saved Count | 1 | 14 |
| Supported Platforms | Website | Website |

## 31Memorize

31Memorize is built on a well-established principle of learning science: memory lasts when review is timed well. Instead of cramming long word lists, the tool reschedules vocabulary you have already seen so each review lands just as the memory is about to fade. This spaced-repetition loop is the core of how the site improves retention.

What sets it apart is the reliance on mnemonics. Difficult academic words are presented alongside vivid associations and memory hooks, giving your brain an extra route back to the meaning. That combination of scientific scheduling and memorable storytelling is especially effective for the dense vocabulary found on standardized tests.

The vocabulary is aimed at learners preparing for GRE, GMAT, and IELTS, where a broad academic word bank directly influences verbal scores. The experience is deliberately simple: open the site, start a review session, and let the algorithm decide what deserves your attention next. It is positioned as a free, focused study tool rather than a gamified habit app.

Note that the site currently presents an SSL certificate mismatch, so some browsers may warn about a secure connection even though the service itself loads. Accessing it over the plain HTTP address or using a reader-friendly link generally works around this.

**Pricing & Plans:** 31Memorize is presented as a free vocabulary-learning resource. No paid subscription tier is published on the site, so learners can study without entering payment details. Because pricing is not advertised in detail, treat the free model as the current default.

- **Spaced-repetition review engine:** Review scheduling adapts to your performance so difficult words appear more often and known words fade into the background.
- **Mnemonic-based memorization:** Each word is supported by a memorable association designed to create a strong mental hook, making recall faster during an exam.
- **Standardized-test word lists:** Curated word sets target the academic vocabulary that recurs across GRE, GMAT, and IELTS verbal sections.
- **Focused, low-distraction study:** A stripped-back study flow keeps you on reviewing words rather than managing settings or browsing decks.

**Strengths:** Free to use for vocabulary building; Combines spaced repetition with a rich mnemonic library; Targets high-impact standardized-test vocabulary for GRE, GMAT, and IELTS; Clean, distraction-light study flow focused on review rather than setup

**Limitations:** SSL certificate issues can cause browser warnings on some networks; Interface is deliberately sparse and may feel dated compared to modern flashcard apps; Free tool with limited published details about data, accounts, or sync across devices; Mnemonic library is strongest for standardized-test vocabulary rather than general conversation

[Profile (Markdown)](https://openaitools.app/tool/31memorize.md)

## Flashka

Flashka starts from your source material rather than the open internet. You upload a PDF, a slide deck, a Word document, a photo of a textbook page, or a lecture recording, and it produces study assets from exactly what you will be tested on: flashcards, full quizzes and mock exams, oral exam practice with spoken feedback, case studies, mind maps, notes, and a transcript of the recording. Image occlusion turns diagrams and anatomy figures into interactive cards, and you can import an existing Anki deck into the app.

The learning loop is built on active recall and spaced repetition. Every card shows the question first, you answer from memory and rate how well you knew it, and the algorithm decides when that card returns, with short intervals for hard cards and longer ones for easy ones. Cards that you keep forgetting are flagged as critical so you can rewrite them, and once you set an exam date, the exam planner tells you how much to review each day. Reviews, editing, and notes are unlimited on every plan, including Free.

Professor Ka acts as a 24/7 tutor and can also modify your material on request, for example turning one concept into cards or a chapter into a quiz. The app tracks streaks, study time, and mastery points, and includes study groups and leaderboards for studying alongside classmates. Flashka is available on the web, App Store, and Google Play, supports material in any language, and comes in two paid tiers plus a daily free allowance.

**Pricing & Plans:** Free plan with daily limits (for example, 1 card generation, 1 quiz, 1 oral exam, 1 case study, 1 transcript, and 10 tutor messages per day) and generous unlimited editing and reviews. Paid tiers, Beast and Wizard, raise or remove those limits; Wizard is unlimited. Exact prices are shown in the app.

- **Material-based flashcards:** Upload PDFs, PowerPoint or Keynote slides, Word and Pages documents, images, or lecture audio and get flashcards built from exactly your source content.
- **Spaced repetition scheduling:** Review intervals grow as you remember a card and shrink when you forget, with hard cards flagged as critical so you can fix them.
- **Quizzes and mock exams:** Generate full quizzes and timed mock exams from your material, alongside oral exam practice that scores what you actually said out loud.
- **Professor Ka AI tutor:** Ask questions about anything you get stuck on, or ask Ka to rework your material into new cards, quizzes, or notes.
- **Mind maps, notes, and exam planner:** Turn dense chapters into visual maps, condense lectures into notes, and set an exam date to get an adaptive daily study plan.

**Strengths:** Everything is generated from your own material rather than generic internet content; Reviews, editing, and notes are unlimited even on the free plan; Covers the whole study cycle: cards, quizzes, oral exams, case studies, mind maps, and planning; Available on web, iOS, and Android, with support for material in any language

**Limitations:** Free and mid-tier plans cap generations of cards, quizzes, transcripts, and tutor messages; Importing existing Anki review history was still listed as coming soon at the time of review; It is a consumer study app, so teams and institutions get no admin or classroom tooling

[Profile (Markdown)](https://openaitools.app/tool/flashka.md)

## Frequently Asked Questions

### How do 31Memorize and Flashka compare in monthly traffic?

31Memorize has 0 monthly visits, while Flashka has 805,913. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

31Memorize has a month-over-month growth rate of 0%; Flashka has +2%.

### How does pricing compare?

31Memorize: Freemium. 31Memorize is presented as a free vocabulary-learning resource. No paid subscription tier is published on the site, so learners can study without entering payment details. Because pricing is not advertised in detail, treat the free model as the current default. Flashka: Freemium. Free plan with daily limits (for example, 1 card generation, 1 quiz, 1 oral exam, 1 case study, 1 transcript, and 10 tutor messages per day) and generous unlimited editing and reviews. Paid tiers, Beast and Wizard, raise or remove those limits; Wizard is unlimited. Exact prices are shown in the app.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Studocu](https://openaitools.app/tool/studocu-global) | 39,297,122 | +1.1% | Freemium | Share and access study materials worldwide — with AI study tools built in | [.md](https://openaitools.app/tool/studocu-global.md) |
| 2 | [Gizmo](https://openaitools.app/tool/gizmo-ai) | 9,273,984 | +18.2% | Freemium | Focuses heavily on gamified quizzes and interactive learning modes, but lacks detailed mind mapping tools. | [.md](https://openaitools.app/tool/gizmo-ai.md) |
| 3 | [Knowt](https://openaitools.app/tool/knowt-com) | 4,183,953 | +5.4% | Free | Offers robust free flashcard creation and note-taking features, though with less emphasis on mind map generation. | [.md](https://openaitools.app/tool/knowt-com.md) |
| 4 | [StudyFetch](https://openaitools.app/tool/study-fetch) | 1,750,520 | +1.7% | Freemium | Provides comprehensive video explainers and study notes alongside flashcards, but has a busier interface. | [.md](https://openaitools.app/tool/study-fetch.md) |
| 5 | [Studydrive](https://openaitools.app/tool/studydrive) | 864,081 | -29.1% | Freemium | Europe's student learning hub with notes, AI flashcards and AI chat | [.md](https://openaitools.app/tool/studydrive.md) |
| 6 | [Algor Education](https://openaitools.app/tool/algoreducation-com) | 745,139 | +48.2% | Freemium | Turn any material into visual study sets, flashcards and quizzes | [.md](https://openaitools.app/tool/algoreducation-com.md) |
| 7 | [Mindgrasp](https://openaitools.app/tool/mindgrasp) | 672,288 | -0.5% | Freemium, Free Trial | Excels at summarizing long lectures and textbooks into structured study guides, but features less polished flashcard formatting. | [.md](https://openaitools.app/tool/mindgrasp.md) |
| 8 | [Educato](https://openaitools.app/tool/educato-app) | 535,802 | +67.3% | Freemium | AI-powered exam prep with question banks, mock tests and spaced-repetition flashcards for 10,000+ exams | [.md](https://openaitools.app/tool/educato-app.md) |
| 9 | [Revisely](https://openaitools.app/tool/revisely-com) | 512,137 | -2.3% | Freemium | Transforms notes and videos into structured summaries and quizzes efficiently, though with simpler flashcard editing tools. | [.md](https://openaitools.app/tool/revisely-com.md) |
| 10 | [AnkiDecks](https://openaitools.app/tool/anki-decks-com) | 379,321 | -3.4% | Freemium | Specializes in exporting generated AI flashcards directly to Anki, but offers fewer built-in multimedia study aids. | [.md](https://openaitools.app/tool/anki-decks-com.md) |

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Source: https://openaitools.app/compare/31memorize-vs-flashka

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