# AI Writeon vs Butly

The clearest difference is update cadence: Butly at monthly against AI Writeon's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Writeon sells 1 in-app purchase, starting at $3.99 per month and Butly sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Writeon ships an update every 13 months, Butly monthly. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | AI Writeon | Butly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Size | 43 MB | 39 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Svitlana Skibа](https://appshunter.io/developer/1678778094) | [NEUROGYMNASTICS SOFT, TOO](https://appshunter.io/developer/1735140355) |

## What reviewers say

### AI Writeon

[App page](https://appshunter.io/ios/app/ai-writeon/id6446998285)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month subscription | $3.99 | per month |


### Butly

[App page](https://appshunter.io/ios/app/butly-ai-chatbot-assistant/id6479204077)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $7.99 | per 7 days |
| Yearly Access | $59.99 | per year |


## Frequently asked questions

### Is AI Writeon free?

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

### Is Butly free?

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

### Do AI Writeon or Butly have ads?

Neither AI Writeon nor Butly shows ads.

### Which is updated more often, AI Writeon or Butly?

AI Writeon ships an update every 13 months, and Butly monthly. Most recently, AI Writeon was updated on September 16, 2026 and Butly on September 23, 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.*