# GrainBook vs SnapMark

GrainBook and SnapMark are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. GrainBook sells 2 in-app purchases, starting at $4.99 per month and SnapMark sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

GrainBook ships an update every 2 weeks, SnapMark weekly. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | GrainBook | SnapMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/snapmark-sticky-notes-and-todo/id6762030587/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 95.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 155 MB | 84 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Yuan Long](https://appshunter.io/developer/1830417836) | [思雯 陆](https://appshunter.io/developer/1883918955) |

## What reviewers say

### GrainBook

[App page](https://appshunter.io/ios/app/grainbook-ai-content-reader/id6754638202)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grainbook Go (1-Month) | $4.99 | per month |
| Grainbook Go (12-Months) | $44.99 | per year |


### SnapMark

[App page](https://appshunter.io/ios/app/snapmark-sticky-notes-and-todo/id6762030587)

Capture fleeting thoughts and organize them into actionable tasks with colorful sticky notes.  Manage ideas, to-dos, and lists with flexible views and timely reminders. Archive completed notes to keep your workspace clear.

**Highlights:** Colorful sticky notes, Ideas and todos in one note, Sticky or conversation view, System calendar reminders, Schedule page overview, Checklist templates, Archive notes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SnapMark Pro Monthly | $0.99 | per month |
| SnapMark Pro Yearly | $9.99 | per year |
| SnapMark Pro Lifetime | $17.99 | one-time |


## Frequently asked questions

### Is GrainBook free?

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

### Is SnapMark free?

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

### Do GrainBook or SnapMark have ads?

Neither GrainBook nor SnapMark shows ads.

### Which is updated more often, GrainBook or SnapMark?

GrainBook ships an update every 2 weeks, and SnapMark weekly. Most recently, GrainBook was updated on October 12, 2026 and SnapMark on October 28, 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.*