# TimeGlass Notes vs Zen Matrix

The clearest difference is in-app purchases: Zen Matrix at none against TimeGlass Notes's 4. TimeGlass Notes's advantage is update cadence (every 10 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TimeGlass Notes sells 4 in-app purchases, starting at $0.99 per month. Zen Matrix asks for nothing beyond the download.

TimeGlass Notes ships an update every 10 days, Zen Matrix every 3 months. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | TimeGlass Notes | Zen Matrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Size | 6 MB | 6 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [健浩 卢](https://appshunter.io/developer/1791691141) | [Ruoyi Shangguan](https://appshunter.io/developer/6795174461) |

## What reviewers say

### TimeGlass Notes

[App page](https://appshunter.io/ios/app/timeglass-notes-sticky-notes/id6756814973)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium_Monthly Subscription | $0.99 | per month |
| Premium_Quarterly Subscription | $1.99 | per 3 months |
| Premium_Annual Subscription | $3.99 | per year |
| Lifetime License | $5.99 | one-time |


### Zen Matrix

[App page](https://appshunter.io/ios/app/zen-matrix-eisenhower-tasks/id6795174459)

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

**In-app purchases:** none


## Frequently asked questions

### Is TimeGlass Notes free?

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

### Is Zen Matrix free?

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

### Do TimeGlass Notes or Zen Matrix have ads?

Neither TimeGlass Notes nor Zen Matrix shows ads.

### Which is updated more often, TimeGlass Notes or Zen Matrix?

TimeGlass Notes ships an update every 10 days, and Zen Matrix every 3 months. Most recently, TimeGlass Notes was updated on November 13, 2026 and Zen Matrix on November 10, 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.*