# Trace vs KeyMemo

The clearest difference is update cadence: Trace at every 2 days against KeyMemo's every 3 months. 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 KeyMemo sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Trace ships an update every 2 days, KeyMemo every 3 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Trace | KeyMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/trace-ai-shared-calendar/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 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 181 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Corca, Inc.](https://appshunter.io/developer/1711708611) | [Moon gu Lee](https://appshunter.io/developer/1887272274) |

## What reviewers say

### Trace

[App page](https://appshunter.io/ios/app/trace-ai-shared-calendar/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 Annual Plan (Discount) | $24.99 | per year |
| Trace Annual Plan (Anniversary) | $29.99 | per year |
| Trace Yearly Plan | $29.99 | per year |
| Trace Annual Plan | $29.99 | per year |
| AI wallpaper credits (Small) | $1.99 | one-time |
| AI wallpaper credits (Medium) | $2.99 | one-time |
| AI wallpaper credits (Large) | $5.99 | one-time |
| Lock Screen Lifetime Unlock | $9.99 | one-time |
| Trace Believer Plan | $49.99 | one-time |


### KeyMemo

[App page](https://appshunter.io/ios/app/keymemo/id6794848830)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KeyMemo Plus | $0.99 | per month |


## Frequently asked questions

### Is Trace free?

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

### Is KeyMemo free?

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

### Do Trace or KeyMemo have ads?

Neither Trace nor KeyMemo shows ads.

### Which is updated more often, Trace or KeyMemo?

Trace ships an update every 2 days, and KeyMemo every 3 months. Most recently, Trace was updated on November 8, 2026 and KeyMemo on October 31, 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.*