# Trace vs Rubu

The clearest difference is device support: Trace at 4 against Rubu's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Trace sells 10 in-app purchases, starting at $3.99 per month and Rubu sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Trace | Rubu |
| --- | --- | --- |
| 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 2 days |
| Monetization | Free with in-app purchases | — |
| Size | 181 MB | 13 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) | [Murat Altay](https://appshunter.io/developer/1847041924) |

## 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 |


### Rubu

[App page](https://appshunter.io/ios/app/rubu-shared-group-calendar/id6817723784)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rubu Pro – Monthly | $5.99 | per month |
| Rubu Pro – Yearly | $59.99 | per year |


## Frequently asked questions

### Is Trace free?

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

### Is Rubu free?

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

### Do Trace or Rubu have ads?

Neither Trace nor Rubu shows ads.

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

Trace ships an update every 2 days, and Rubu every 2 days. Most recently, Trace was updated on November 8, 2026 and Rubu 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.*