# VertexTimer vs Notes ToDo Calendar

The clearest difference is update cadence: Notes ToDo Calendar at daily against VertexTimer's every 3 months. Notes ToDo Calendar also leads on device support (3 vs 1) and iOS requirement (18.0 vs 26.1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. VertexTimer sells 4 in-app purchases, starting at $4.99 per month and Notes ToDo Calendar sells 2 in-app purchases, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

VertexTimer ships an update every 3 months, Notes ToDo Calendar daily. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | VertexTimer | Notes ToDo Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Size | 4 MB | 2 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Sakaguchi](https://appshunter.io/developer/1796654485) | [Keisuke Sugimoto](https://appshunter.io/developer/6776073638) |

## What reviewers say

### VertexTimer

[App page](https://appshunter.io/ios/app/vertextimer/id6758393511)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus - Monthly | $4.99 | per month |
| Plus Yearly | $39.99 | per year |
| Alarm Pack | $14.99 | one-time |
| Lifetime | $59.99 | one-time |


### Notes ToDo Calendar

[App page](https://appshunter.io/ios/app/notes-todo-calendar-utility/id6815232764)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter (Yearly) | $1.99 | per year |
| Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is VertexTimer free?

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

### Is Notes ToDo Calendar free?

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

### Do VertexTimer or Notes ToDo Calendar have ads?

Neither VertexTimer nor Notes ToDo Calendar shows ads.

### Which is updated more often, VertexTimer or Notes ToDo Calendar?

VertexTimer ships an update every 3 months, and Notes ToDo Calendar daily. Most recently, VertexTimer was updated on October 6, 2026 and Notes ToDo Calendar on October 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.*