# Fello AI vs Lock Down Keys

The clearest difference is update cadence: Fello AI at every 2 weeks against Lock Down Keys's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Fello AI sells 7 in-app purchases, starting at $4.99 per 7 days and Lock Down Keys sells 6 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Fello AI ships an update every 2 weeks, Lock Down Keys monthly. The most recent releases landed on October 14, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Fello AI | Lock Down Keys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (124 ratings)](https://appshunter.io/ios/app/fello-ai-chat-bot-assistant/id6447705369/reviews)** | — |
| Number of ratings | **124** | — |
| Positive reviews | 66.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Freemium | — |
| Size | 49 MB | 36 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [AI Apps Brewery s.r.o.](https://appshunter.io/developer/1538055054) | [Victor Calatayud](https://appshunter.io/developer/1855670382) |

## What reviewers say

### Fello AI

[App page](https://appshunter.io/ios/app/fello-ai-chat-bot-assistant/id6447705369)

This AI assistant integrates multiple advanced language and image models into a single application. It allows users to chat with files, generate documents, spreadsheets, presentations, and images, and search the web with cited sources. Available across Apple devices, it offers a free tier with limited messages and a subscription for unlimited access.

**Highlights:** Access multiple AI models in one app, Create .pptx, .xlsx, .docx, and .pdf files, Chat with files and images, Generate and edit AI images, Web search with cited sources, Syncs across Mac, iPhone, and iPad, Organized with pins and bookmarks

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Chatbot Weekly Plan | $4.99 | per 7 days |
| AI Chatbot Monthly Plan | $11.99 | per month |
| Fello AI Monthly Contribution | $11.99 | per month |
| AI Chatbot Monthly Plan | $11.99 | per month |
| AI Chatbot Quarterly Plan | $24.99 | per 3 months |
| AI Chatbot Yearly Plan | $89.99 | per year |
| AI Chatbot Yearly Plan | $89.99 | per year |


### Lock Down Keys

[App page](https://appshunter.io/ios/app/lock-down-keys/id6764108830)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $3.99 | per month |
| Pro | $8.99 | per month |
| Enterprise | $17.99 | per month |
| Basic | $44.99 | per year |
| Pro | $89.99 | per year |
| Enterprise | $179.99 | per year |


## Frequently asked questions

### Is Fello AI free?

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

### Is Lock Down Keys free?

Lock Down Keys is free to download, with in-app purchases available.

### Do Fello AI or Lock Down Keys have ads?

Neither Fello AI nor Lock Down Keys shows ads.

### Which is updated more often, Fello AI or Lock Down Keys?

Fello AI ships an update every 2 weeks, and Lock Down Keys monthly. Most recently, Fello AI was updated on October 14, 2026 and Lock Down Keys on September 26, 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.*