# Lemon Camera vs Kai

The clearest difference is in-app purchases: Kai at none against Lemon Camera's 2. Kai also leads on update cadence (every 3 days vs every 10 days) and iOS requirement (15.3 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. Lemon Camera sells 2 in-app purchases, starting at $2.99 per 7 days. Kai asks for nothing beyond the download.

Lemon Camera ships an update every 10 days, Kai every 3 days. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Lemon Camera | Kai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/kai-ai/id6758148023/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | Subscription | **Free** |
| Size | 12 MB | 127 MB |
| Requires iOS | 17 | **15.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Lansan Technology Co., Ltd.](https://appshunter.io/developer/1627721870) | [Simon Schubert](https://appshunter.io/developer/1219649975) |

## What reviewers say

### Lemon Camera

[App page](https://appshunter.io/ios/app/lemon-camera/id6739480462)

This AI-powered app transforms your camera into a personal assistant. It can write poems from photos, translate menus, identify food calories, count people, explain signs, and tell stories about art. Simply take a photo, ask a question, and receive an answer.

**Highlights:** AI-powered photo analysis, Write poems from photos, Translate menus, Identify food calories, Count people in photos, Explain traffic signs, Tell stories about art

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |


### Kai

[App page](https://appshunter.io/ios/app/kai-ai/id6758148023)

This open-source AI companion offers fast, simple, and private chat experiences powered by models like Llama and Gemini. It's designed for quick answers, brainstorming, writing, and learning with a minimalist interface.

**Highlights:** Blazing fast AI responses, Minimalist and intuitive interface, Open-source and transparent code, Choice of AI models (Llama, Gemini), Context-aware multi-turn conversations, Privacy-focused, no user tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Lemon Camera free?

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

### Is Kai free?

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

### Do Lemon Camera or Kai have ads?

Neither Lemon Camera nor Kai shows ads.

### Which is updated more often, Lemon Camera or Kai?

Lemon Camera ships an update every 10 days, and Kai every 3 days. Most recently, Lemon Camera was updated on November 4, 2026 and Kai on November 3, 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.*