SiYuan vs Buffer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SiYuan
A privacy-focused personal knowledge management system that allows offline use and encrypted data synchronization. It combines blocks, outlines, and bidirectional links to enhance thinking processes.
- Privacy-first design
- Offline data storage
- End-to-end encrypted sync
- Block and outline fusion
- Bidirectional linking
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SiYuan is a privacy-first personal knowledge management system that supports complete offline use, as well as end-to-end encrypted data sync. Fuse blocks, outlines, and bidirectional links to refactor your thinking.
Buffer
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Buffer helps you pause before opening distracting apps. Select apps, set a cooldown, and require a deliberate confirmation before temporary access is granted. Buffer is designed for people who want a simple friction step before opening apps they use too often. Features: - Select apps using Apple's Screen Time picker - Add cooldown shields to selected apps - Require manual confirmation before temporary access - Keep rules and app selections on your device - No account required Buffer uses Apple's Screen Time APIs. Your selected apps and Screen Time settings stay on your device and are not uploaded to a server.
Screenshots
Verdict
The clearest difference is in-app purchases: Buffer at none against SiYuan's 2. On price, ads, device support and iOS requirement 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. SiYuan sells 2 one-off in-app purchases. Buffer asks for nothing beyond the download.
| Parameter | SiYuan | Buffer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (30 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 30 — better | — |
| Update frequency | Every 8 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 440 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | Yunnan Liandi Technology Co., Ltd. | 世军 邹 |
In-app purchases
SiYuan
- PRO Features$79.99
- Subscription$188.99
Buffer
No in-app purchases
