# Trace vs 待辦 To Do

The clearest difference is update cadence: Trace at every 2 days against 待辦 To Do's every 5 weeks. Trace also leads on device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Trace sells 10 in-app purchases, starting at $3.99 per month and 待辦 To Do sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Trace ships an update every 2 days, 待辦 To Do every 5 weeks. The most recent releases landed on November 12, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Trace | 待辦 To Do |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/trace-personal-schedule-ai-os/id6503812022/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 76.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 216 MB | 3 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Corca, Inc.](https://appshunter.io/developer/1711708611) | [ka wai choi](https://appshunter.io/developer/6800248150) |

## What reviewers say

### Trace

[App page](https://appshunter.io/ios/app/trace-personal-schedule-ai-os/id6503812022)

This AI-powered calendar and planner helps organize tasks, routines, and reminders using natural language input and voice commands. It combines event management, to-do lists, and habit tracking into a single, intuitive interface for smarter daily planning.

**Highlights:** AI calendar and smart schedule assistant, Routine planner for daily habits, Reminders, to-do list, and tracker, Natural language and voice input, Screenshot to schedule functionality, iOS widgets for quick access, iCloud sync across devices

**Features:** Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trace Monthly Plan | $3.99 | per month |
| Trace Premium Monthly | $4.99 | per month |
| Trace Annual Plan (Discount) | $24.99 | per year |
| Trace Annual Plan (Anniversary) | $29.99 | per year |
| Trace Annual Plan | $29.99 | per year |
| Trace Premium Annual | $39.99 | per year |
| Lock Screen Lifetime Unlock | $9.99 | one-time |
| Upgrade to Premium Believer | $39.99 | one-time |
| Trace Believer Plan | $49.99 | one-time |
| Trace Premium Believer | $99.99 | one-time |


### 待辦 To Do

[App page](https://appshunter.io/ios/app/to-do-simple-list/id6800417782)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A coffee | $1.99 | one-time |
| Three coffees | $4.99 | one-time |
| A dozen coffees | $9.99 | one-time |


## Frequently asked questions

### Is Trace free?

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

### Is 待辦 To Do free?

待辦 To Do is free to download, with in-app purchases available.

### Do Trace or 待辦 To Do have ads?

Neither Trace nor 待辦 To Do shows ads.

### Which is updated more often, Trace or 待辦 To Do?

Trace ships an update every 2 days, and 待辦 To Do every 5 weeks. Most recently, Trace was updated on November 12, 2026 and 待辦 To Do on November 6, 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.*