# Ktab vs LetterSprig

The clearest difference is update cadence: LetterSprig at every 3 days against Ktab's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ktab sells 1 one-off in-app purchase and LetterSprig sells 5 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Ktab ships an update every 5 weeks, LetterSprig every 3 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Ktab | LetterSprig |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 19 MB | 52 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [韦杭 林](https://appshunter.io/developer/1895206438) | [Romulo Carvalho](https://appshunter.io/developer/1896339491) |

## What reviewers say

### Ktab

[App page](https://appshunter.io/ios/app/ktab/id6763836649)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁完整功能 | $2.99 | one-time |


### LetterSprig

[App page](https://appshunter.io/ios/app/lettersprig-write-beautifully/id6817156895)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LetterSprig Plus (Monthly) | $3.99 | per month |
| LetterSprig Plus (Annual) | $19.99 | per year |
| 50 Letter Checks | $2.99 | one-time |
| 150 Letter Checks | $6.99 | one-time |
| Plus Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Ktab free?

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

### Is LetterSprig free?

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

### Do Ktab or LetterSprig have ads?

Neither Ktab nor LetterSprig shows ads.

### Which is updated more often, Ktab or LetterSprig?

Ktab ships an update every 5 weeks, and LetterSprig every 3 days. Most recently, Ktab was updated on October 31, 2026 and LetterSprig on October 29, 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.*