# Scribelet vs Promptron

The clearest difference is update cadence: Scribelet at every 9 days against Promptron's every 3 weeks. Scribelet also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Scribelet sells 2 in-app purchases, starting at $9.99 per month and Promptron sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Scribelet ships an update every 9 days, Promptron every 3 weeks. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Scribelet | Promptron |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 59 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Scribelet](https://appshunter.io/developer/1894614631) | [YIMING WANG](https://appshunter.io/developer/6776091890) |

## What reviewers say

### Scribelet

[App page](https://appshunter.io/ios/app/scribelet-ai-notebook/id6762544406)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |
| Premium | $99.99 | per year |


### Promptron

[App page](https://appshunter.io/ios/app/promptron/id6776091498)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Promptron Pro | $4.99 | per month |


## Frequently asked questions

### Is Scribelet free?

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

### Is Promptron free?

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

### Do Scribelet or Promptron have ads?

Neither Scribelet nor Promptron shows ads.

### Which is updated more often, Scribelet or Promptron?

Scribelet ships an update every 9 days, and Promptron every 3 weeks. Most recently, Scribelet was updated on September 20, 2026 and Promptron on September 9, 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.*