# Sidebar | Fast Notes vs PST Viewer for Outlook

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.

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.

## The numbers

| Metric | Sidebar | Fast Notes | PST Viewer for Outlook |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/sidebar-fast-notes/id6450434079/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/pst-viewer-for-outlook/id6757521943/reviews) |
| Number of ratings | **7** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 2 MB | 20 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Chris Woods](https://appshunter.io/developer/1693297958) | [延平 陈](https://appshunter.io/developer/1833168926) |

## What reviewers say

### Sidebar | Fast Notes

[App page](https://appshunter.io/ios/app/sidebar-fast-notes/id6450434079)

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.

**Highlights:** Instant note capture, Timestamped entries, To-do list integration, Personal scoreboard, Cross-device sync, Custom themes, Stealth mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PST Viewer for Outlook

[App page](https://appshunter.io/ios/app/pst-viewer-for-outlook/id6757521943)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PST Viewer Pro | $7.99 | one-time |


## Frequently asked questions

### Is Sidebar | Fast Notes free?

Sidebar | Fast Notes is free to download, with no in-app purchases.

### Is PST Viewer for Outlook free?

PST Viewer for Outlook costs $7.99, and also offers in-app purchases.

### Which has better reviews, Sidebar | Fast Notes or PST Viewer for Outlook?

Sidebar | Fast Notes and PST Viewer for Outlook are both rated 5.0 out of 5 on the App Store, from 7 and 6 ratings respectively.

### Do Sidebar | Fast Notes or PST Viewer for Outlook have ads?

Neither Sidebar | Fast Notes nor PST Viewer for Outlook shows ads.

### Which is updated more often, Sidebar | Fast Notes or PST Viewer for Outlook?

Sidebar | Fast Notes ships an update every 2 months, and PST Viewer for Outlook weekly. Most recently, Sidebar | Fast Notes was updated on October 30, 2026 and PST Viewer for Outlook on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*