# Private Notes (Nostr) vs TimeZone Vanguard

The clearest difference is ads: TimeZone Vanguard at none against Private Notes (Nostr)'s shown. TimeZone Vanguard also leads on update cadence (every 5 days vs fortnightly). Private Notes (Nostr)'s advantage is iOS requirement (15.6 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Private Notes (Nostr) ships an update fortnightly, TimeZone Vanguard every 5 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Private Notes (Nostr) | TimeZone Vanguard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/timezone-vanguard-world-clock/id6759646034/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Free |
| Size | 33 MB | 32 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [alexey popkov](https://appshunter.io/developer/1500909659) | [Gustavo Venzon](https://appshunter.io/developer/1880022947) |

## What reviewers say

### Private Notes (Nostr)

[App page](https://appshunter.io/ios/app/private-notes-nostr/id6757975921)

**Features:** Vision Pro support

**In-app purchases:** none


### TimeZone Vanguard

[App page](https://appshunter.io/ios/app/timezone-vanguard-world-clock/id6759646034)

Coordinate global meetings and work schedules across different time zones. Track live clocks, compare business hours, and find optimal meeting times with smart suggestions and calendar sync. Includes weather awareness and market session monitoring.

**Highlights:** Live world clocks for 500+ cities, Business hour overlap detection, Meeting planning with fairness scoring, Apple Calendar sync, Market session monitoring, Weather-aware planning, Export to .ics, .csv, .pdf

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Private Notes (Nostr) free?

Private Notes (Nostr) is free to download, with no in-app purchases.

### Is TimeZone Vanguard free?

TimeZone Vanguard is free to download, with no in-app purchases.

### Do Private Notes (Nostr) or TimeZone Vanguard have ads?

Private Notes (Nostr) shows ads; TimeZone Vanguard does not.

### Which is updated more often, Private Notes (Nostr) or TimeZone Vanguard?

Private Notes (Nostr) ships an update fortnightly, and TimeZone Vanguard every 5 days. Most recently, Private Notes (Nostr) was updated on October 28, 2026 and TimeZone Vanguard 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.*