# SERTEC SYSTEM RASTREADORES vs Checklist Ultra

The clearest difference is in-app purchases: SERTEC SYSTEM RASTREADORES at none against Checklist Ultra's 3. SERTEC SYSTEM RASTREADORES also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). Checklist Ultra's advantage is update cadence (every 5 days vs every 8 months). On price and device support there is nothing between them.

Both are free to download. Checklist Ultra sells 3 in-app purchases, starting at $1.99 per month. SERTEC SYSTEM RASTREADORES asks for nothing beyond the download.

SERTEC SYSTEM RASTREADORES ships an update every 8 months, Checklist Ultra every 5 days. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SERTEC SYSTEM RASTREADORES | Checklist Ultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/checklist-ultra-shared-todo/id6757340607/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 87 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matheus Abreu](https://appshunter.io/developer/1379081077) | [Native](https://appshunter.io/developer/1674756856) |

## What reviewers say

### SERTEC SYSTEM RASTREADORES

[App page](https://appshunter.io/ios/app/sertec-system-rastreadores/id6746803941)

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

**In-app purchases:** none


### Checklist Ultra

[App page](https://appshunter.io/ios/app/checklist-ultra-shared-todo/id6757340607)

Organize tasks with topics, folders, and tags for quick scanning. Set reminders and sync with your calendar. Collaborate in real-time and create recurring routines.

**Highlights:** Organize with Topics, Folders, and Tags, Push notifications and alarm reminders, Calendar sync, Real-time collaboration, Recurring routines with progress reports, Filter tasks in one tap

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $1.99 | per month |
| Plus Yearly | $7.99 | per year |
| Plus Lifetime | $12.99 | one-time |


## Frequently asked questions

### Is SERTEC SYSTEM RASTREADORES free?

SERTEC SYSTEM RASTREADORES is free to download, with no in-app purchases.

### Is Checklist Ultra free?

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

### Do SERTEC SYSTEM RASTREADORES or Checklist Ultra have ads?

Checklist Ultra shows ads; SERTEC SYSTEM RASTREADORES does not.

### Which is updated more often, SERTEC SYSTEM RASTREADORES or Checklist Ultra?

SERTEC SYSTEM RASTREADORES ships an update every 8 months, and Checklist Ultra every 5 days. Most recently, SERTEC SYSTEM RASTREADORES was updated on October 18, 2026 and Checklist Ultra on October 4, 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.*