# Calday vs Vesper

The clearest difference is update cadence: Calday at every 4 days against Vesper's every 6 weeks. Calday also leads on iOS requirement (15 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calday sells 2 one-off in-app purchases and Vesper sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Calday ships an update every 4 days, Vesper every 6 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Calday | Vesper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Size | 44 MB | 9 MB |
| Requires iOS | **15** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Hefei Xiguoke Technology Co., Ltd.](https://appshunter.io/developer/1546692926) | [Calvin Ng](https://appshunter.io/developer/1886314818) |

## What reviewers say

### Calday

[App page](https://appshunter.io/ios/app/calday-simple-daily-journal/id6748715080)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month PRO | $2.99 | one-time |
| Year PRO | $19.99 | one-time |


### Vesper

[App page](https://appshunter.io/ios/app/vesper-evening-reflection/id6793087767)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vesper Plus Monthly | $1.99 | per month |
| Vesper Plus Annual | $14.99 | per year |
| Vesper Plus Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Calday free?

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

### Is Vesper free?

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

### Do Calday or Vesper have ads?

Neither Calday nor Vesper shows ads.

### Which is updated more often, Calday or Vesper?

Calday ships an update every 4 days, and Vesper every 6 weeks. Most recently, Calday was updated on October 25, 2026 and Vesper on October 25, 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.*