Heptabase vs idiogram
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Heptabase
This visual note-taking application helps users learn complex subjects. The mobile version offers complete access to all your notes, journals, and whiteboards, allowing you to review your work on the go.
- Visual note-taking
- Learn complex topics
- Access cards and journals
- Read whiteboards
- Mobile access
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Heptabase is a visual note-taking app that helps you learn complex topics. The mobile app provides full access to all your cards and journals, and allows you to read all your whiteboards.
idiogram
Effortlessly capture and organize your thoughts and information with this app. Record voice notes, save clipboard content, and extract web content. Its semantic search helps you find related notes based on meaning, simplifying knowledge management.
- Voice dictation for quick notes
- One-tap clipboard saving
- Web content extraction
- Summary note generation
- Semantic search for related notes
- Get Answer feature
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Struggling to keep your thoughts and information organized? Idiogram is here to simplify the way you capture and manage your ideas! **Capture Simplified** - Tap and hold the dictation button to quickly record your thoughts and plans. - Save clipboard contents with just a tap using the quick-paste button. - Extract and store webpage content by holding down the quick-paste button after copying a link. - Or, generate summary notes from copied text or web links. - Use "Get Answer" for quick explanations or save the answer as a note for later use. **Semantic Search** - Swift and accurate keyword searching. - Describe your content or question, then tap the search button to find related notes based on the meaning of your query. - Automatically discover semantically related notes as you browse, saving you time from doing [[this]]. Idiogram is your solution for streamlined knowledge management. Download it today to simplify your note-taking and organization! #idiogram Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: idiogram at 5.0 against Heptabase's 4.3. Heptabase's advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 2 months). On price and ads 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
Both are free to download. idiogram sells 1 in-app purchase, starting at $0.99 per month. Heptabase asks for nothing beyond the download.
idiogram holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Heptabase has 71 ratings behind it against 1, so its average is the more settled of the two.
Heptabase ships an update weekly, idiogram every 2 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.
| Parameter | Heptabase | idiogram |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (71 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 71 — better | 1 |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.5 — better | 17.0 |
| Further details — not scored | ||
| Size | 239 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Hepta Platforms, Inc | Humanist LLC |
Customer experience
Heptabase
idiogram
In-app purchases
Heptabase
No in-app purchases
idiogram
- Idiogram Pro - Monthly1 Year trial$0.991 Month
