Sidebar | Fast Notes vs PST Viewer for Outlook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sidebar | Fast Notes
Quickly capture thoughts and ideas without the need for organization. Entries are timestamped logs that can be tagged as to-dos or personal wins/losses. Syncs across devices with custom themes and a stealth mode.
- Instant note capture
- Timestamped entries
- To-do list integration
- Personal scoreboard
- Cross-device sync
- Custom themes
- Stealth mode
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Open. Type. Done. Sidebar opens with the keyboard ready, so you can catch an idea in seconds and get back to what you were doing. No folders, no file names, no formatting. Just get it down before it's gone. EVERY ENTRY IS A LOG Notes are quick, timestamped logs, not documents. Add a tag when one needs to do more: - Todo: adds it to your task list - Win or Loss: counts toward your scoreboard - Love: marks the ideas worth coming back to KEEP SCORE Track wins and losses for anything: running, flossing, screen time. Your scoreboard shows what's on track and what needs attention. MAKE IT YOURS Choose any color for your theme. AND A FEW EXTRAS - Widget: pin an idea to your home screen - Sync across iPhone, iPad, and Mac - Stealth Mode: keep sensitive notes private - Time Travel: revisit a random day
PST Viewer for Outlook
Access and search Outlook PST and OST email archives directly on your iPhone or iPad. Browse folders, read messages, and search emails offline without needing an internet connection. This app offers a private and reliable solution for managing your email archives.
- Open PST & OST email archive files
- Browse folders and subfolders
- Read email subjects, senders, recipients, and dates
- View email body content
- Search emails by keyword
- Preview and export attachments
- Works offline
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Read & search Outlook PST & OST files Open and explore Outlook PST & OST email archives directly on your iPhone or iPad. PST Mail Viewer lets you browse folders, read messages, and search emails — all offline and on your device. Pay once. Use on iPhone, iPad & Mac. No subscription. No ads. Key Features • Open PST & OST email archive files • Browse folders and subfolders • Read email subjects, senders, recipients, and dates • View email body content (plain text and supported formats) • Search emails by keyword • Preview and export attachments • Works offline — no internet connection required Privacy First PST Mail Viewer processes PST & OST files locally on your device. • No user accounts • No analytics or tracking • No data collection • No server communication File Access The app uses the iOS document picker to let you select PST/OST files from supported locations such as the Files app or iCloud Drive. Access is limited to files you explicitly choose. Important Information • This app is not affiliated with Microsoft or Outlook • PST/OST is a file format developed by Microsoft • Performance may vary depending on PST file size and device capability PST Mail Viewer provides a simple, private, and reliable way to access PST email archives on iOS. Send feedback to: admin@yenpi.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Sidebar | Fast Notes at Free against PST Viewer for Outlook's $7.99. Sidebar | Fast Notes also leads on in-app purchases (none vs 1). PST Viewer for Outlook's advantage is update cadence (weekly vs every 2 months) and iOS requirement (16.0 vs 18.6). On rating, review sentiment, ratings volume 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
Sidebar | Fast Notes is free to download; PST Viewer for Outlook costs $7.99 up front. PST Viewer for Outlook sells 1 one-off in-app purchase. Sidebar | Fast Notes asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Sidebar | Fast Notes against 5.0 for PST Viewer for Outlook. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Sidebar | Fast Notes ships an update every 2 months, PST Viewer for Outlook weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Sidebar | Fast Notes | PST Viewer for Outlook |
|---|---|---|
| Price | Free — better | $7.99 |
| Rating | 5.0 (7 ratings) | 5.0 (6 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 7 — better | 6 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Chris Woods | 延平 陈 |
Customer experience
Sidebar | Fast Notes
PST Viewer for Outlook
In-app purchases
Sidebar | Fast Notes
No in-app purchases
PST Viewer for Outlook
- PST Viewer Pro$7.99
Questions
Is Sidebar | Fast Notes free?
Is PST Viewer for Outlook free?
Which has better reviews, Sidebar | Fast Notes or PST Viewer for Outlook?
Do Sidebar | Fast Notes or PST Viewer for Outlook have ads?
Which is updated more often, Sidebar | Fast Notes or PST Viewer for Outlook?
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