# Yukee simple todo list tracker vs Systems

The clearest difference is update cadence: Systems at every 4 weeks against Yukee simple todo list tracker's every 10 months. Yukee simple todo list tracker's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Yukee simple todo list tracker sells 4 in-app purchases, starting at $0.99 per 7 days and Systems sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Yukee simple todo list tracker ships an update every 10 months, Systems every 4 weeks. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Yukee simple todo list tracker | Systems |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 weeks** |
| Size | 94 MB | 70 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pierre Jacquel](https://appshunter.io/developer/1798729578) | [Adam Kovacs](https://appshunter.io/developer/1814096456) |

## What reviewers say

### Yukee simple todo list tracker

[App page](https://appshunter.io/ios/app/yukee-simple-todo-list-tracker/id6744322847)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly pro plan | $0.99 | per 7 days |
| Monthly pro plan | $2.99 | per month |
| Yearly pro plan | $29.99 | per year |
| Lifetime deal | $34.99 | one-time |


### Systems

[App page](https://appshunter.io/ios/app/systems-checklists/id6746172413)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Systems Pro Weekly | $3.99 | per 7 days |
| Systems Pro (1 Month) | $4.99 | per month |
| Systems Pro (1 Year) | $19.99 | per year |
| Systems Pro (Lifetime) | $49.99 | one-time |


## Frequently asked questions

### Is Yukee simple todo list tracker free?

Yukee simple todo list tracker is free to download, with in-app purchases available.

### Is Systems free?

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

### Do Yukee simple todo list tracker or Systems have ads?

Neither Yukee simple todo list tracker nor Systems shows ads.

### Which is updated more often, Yukee simple todo list tracker or Systems?

Yukee simple todo list tracker ships an update every 10 months, and Systems every 4 weeks. Most recently, Yukee simple todo list tracker was updated on September 14, 2026 and Systems on September 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.*