# Leaf vs Foundation

The clearest difference is update cadence: Foundation at every 4 weeks against Leaf's every 3 months. 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.

Leaf ships an update every 3 months, Foundation every 4 weeks. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Leaf | Foundation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/foundation-chat/id6757838092/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | — | Free |
| Size | 7 MB | 8 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Big Numbers, Inc.](https://appshunter.io/developer/1806217941) | [Sagar Desai](https://appshunter.io/developer/1825946798) |

## What reviewers say

### Leaf

[App page](https://appshunter.io/ios/app/leaf-eco-ai-chat/id6757168284)

**In-app purchases:** none


### Foundation

[App page](https://appshunter.io/ios/app/foundation-chat/id6757838092)

Engage in intelligent, private AI conversations that run entirely on your device. No internet or data collection required, offering instant responses and multiple conversation threads for various tasks.

**Highlights:** 100% on-device AI processing, Zero data collection, Works offline, Multiple conversation threads, Clean SwiftUI interface, Unlimited chat sessions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Leaf free?

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

### Is Foundation free?

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

### Do Leaf or Foundation have ads?

Neither Leaf nor Foundation shows ads.

### Which is updated more often, Leaf or Foundation?

Leaf ships an update every 3 months, and Foundation every 4 weeks. Most recently, Leaf was updated on October 28, 2026 and Foundation on November 5, 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.*