# Zen Slate vs Grape

The clearest difference is iOS requirement: Grape at 15.1 against Zen Slate's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Zen Slate sells 2 in-app purchases, starting at $19.99 per year and Grape sells 3 in-app purchases, starting at $3.00 per month. Whichever you choose, the download price is not the number that matters.

Zen Slate ships an update every 6 days, Grape every 3 days. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Zen Slate | Grape |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grape-ai-notes/id6761432259/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 23 MB | 71 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZenProducts Technologies Pvt. Ltd.](https://appshunter.io/developer/1849997461) | [Shiny Grape, LLC](https://appshunter.io/developer/1889596420) |

## What reviewers say

### Zen Slate

[App page](https://appshunter.io/ios/app/zen-slate-notes-and-to-dos/id6754855420)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zen Slate Pro Annual | $19.99 | per year |
| Zen Slate, bought once | $49.99 | one-time |


### Grape

[App page](https://appshunter.io/ios/app/grape-ai-notes/id6761432259)

This AI-powered note-taking app helps you capture, organize, and instantly find information. It understands your notes to search, create, and edit them, supporting rich text, handwriting, voice recordings, and various file types. Study tools like flashcards and mind maps are also included.

**Highlights:** AI-powered note understanding and search, Rich text editor with multimedia support, Handwriting recognition and PDF annotation, Voice recording with AI transcription, Flashcard generation and adaptive quizzing, Mind map and slide deck creation, Cross-device sync and local storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grape Sync Monthly | $3.00 | per month |
| Grape Plus Monthly | $9.00 | per month |
| Grape Pro Monthly | $19.00 | per month |


## Frequently asked questions

### Is Zen Slate free?

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

### Is Grape free?

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

### Do Zen Slate or Grape have ads?

Neither Zen Slate nor Grape shows ads.

### Which is updated more often, Zen Slate or Grape?

Zen Slate ships an update every 6 days, and Grape every 3 days. Most recently, Zen Slate was updated on October 25, 2026 and Grape on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*