# Letter AI vs DayCanvas

The clearest difference is update cadence: DayCanvas at every 9 days against Letter AI's every 4 months. Letter AI's advantage is iOS requirement (13.0 vs 15.1). On price, ads, 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.

Letter AI ships an update every 4 months, DayCanvas every 9 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Letter AI | DayCanvas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Size | 33 MB | 218 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jisu Kim](https://appshunter.io/developer/1719926819) | [HYUK JUN LIM](https://appshunter.io/developer/1896775236) |

## What reviewers say

### Letter AI

[App page](https://appshunter.io/ios/app/letter-ai-write-a-letter/id6475873077)

**Features:** macOS Compatibility

**In-app purchases:** none


### DayCanvas

[App page](https://appshunter.io/ios/app/daycanvas/id6771236155)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Letter AI free?

Letter AI is free to download, with no in-app purchases.

### Is DayCanvas free?

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

### Do Letter AI or DayCanvas have ads?

Neither Letter AI nor DayCanvas shows ads.

### Which is updated more often, Letter AI or DayCanvas?

Letter AI ships an update every 4 months, and DayCanvas every 9 days. Most recently, Letter AI was updated on November 4, 2026 and DayCanvas 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.*