# When vs Nostos

The clearest difference is update cadence: When at every 5 days against Nostos's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. When sells 3 in-app purchases, starting at $0.99 per month and Nostos sells 4 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

When ships an update every 5 days, Nostos fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | When | Nostos |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 6 MB | 1.0 GB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andras Varga](https://appshunter.io/developer/1841546733) | [Chengliang Shi](https://appshunter.io/developer/1896509461) |

## What reviewers say

### When

[App page](https://appshunter.io/ios/app/when-then-and-next/id6804155280)

This app helps you remember important dates and track recurring tasks. It offers timeline views for upcoming events and 'last time' tracking for past activities. Organize items with categories, add notes, and use widgets for quick access.

**Highlights:** Timeline view for upcoming events, Track recurring tasks, Expiry and renewal date tracking, Birthday and anniversary reminders, Home and Lock Screen widgets, Organize with categories and icons, Add notes and attachments

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $7.99 | per year |
| When Pro Lifetime | $19.99 | one-time |


### Nostos

[App page](https://appshunter.io/ios/app/nostos/id6806978998)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nostos Plus Monthly | $2.49 | per month |
| Nostos Pro Monthly | $5.99 | per month |
| Nostos Plus Annual | $19.99 | per year |
| Nostos Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is When free?

When is free to download, with in-app purchases available.

### Is Nostos free?

Nostos is free to download, with in-app purchases available.

### Do When or Nostos have ads?

Neither When nor Nostos shows ads.

### Which is updated more often, When or Nostos?

When ships an update every 5 days, and Nostos fortnightly. Most recently, When was updated on October 25, 2026 and Nostos on October 24, 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.*