Obsidian vs Plenig
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Obsidian
Organize your thoughts and ideas with a powerful knowledge base that utilizes local Markdown files. This app acts as your personal second brain, accessible on your mobile device for seamless note-taking and idea connection.
- Local Markdown file storage
- Customizable toolbar
- Graph view for connections
- Community plugins
- Themes
- iCloud sync
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Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files. It is a second brain, for you, forever. Now available on the go for iOS! Features include: - Customizable toolbar - Pull down quick actions - Graph view - Community plugins - Themes - Sidebar pinning for tablet - iCloud vaults
Plenig
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Plenig is the ultimate professional tool for efficient data collection and field reporting. Designed for teams and individuals who need to digitize their workflow, Plenig allows you to create, fill out, and manage complex forms directly from your mobile device. Generate professional PDF reports instantly. Streamline your operations and eliminate paperwork with Plenig's intuitive interface. Plenig Pro: $4.99/month with a 14-day free trial. Payment is charged to your Apple ID account. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage subscriptions in Settings > Apple ID > Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://plenig.kreadoslab.com/#privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Obsidian at none against Plenig's 2. Obsidian also leads on chart position (#131 vs unranked). On price, update cadence, ads 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
Both are free to download. Plenig sells 2 in-app purchases, starting at $4.99 per month. Obsidian asks for nothing beyond the download.
Obsidian ships an update every 3 weeks, Plenig every 10 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | Obsidian | Plenig |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2.8K ratings) — better | — |
| Positive reviews | 61.9% of reviews | — |
| Number of ratings | 2.8K — better | — |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Best chart rank | #131 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Dynalist Inc. | Kreados Lab LLC |
Bugs and requests
Obsidian
Reported bugs
3 issues- Sync issues leading to data loss
- Freezing and crashing on mobile devices
- Editing bugs and text input issues
Requested features
5 requests- Improved sorting and organization options
- WYSIWYG editing on mobile
- Better integration with other cloud storage services
- More intuitive onboarding process for new users
- Native mobile widgets and share sheet integration
Plenig
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Obsidian
No in-app purchases
Plenig
- Plenig14 Days trial$4.991 Month
- Plenig$49.991 Year
