# ThoughtTrace vs Piece Day

The clearest difference is in-app purchases: Piece Day at none against ThoughtTrace's 1. Piece Day also leads on ads (none vs shown) and update cadence (every 11 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ThoughtTrace sells 1 one-off in-app purchase. Piece Day asks for nothing beyond the download.

ThoughtTrace ships an update every 3 weeks, Piece Day every 11 days. The most recent releases landed on October 31, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ThoughtTrace | Piece Day |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Size | 19 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JUNICHI WATANABE](https://appshunter.io/developer/1837543582) | [Warm Tech Company](https://appshunter.io/developer/1895279095) |

## What reviewers say

### ThoughtTrace

[App page](https://appshunter.io/ios/app/thoughttrace-brain-dump-notes/id6777566567)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan (Lifetime) | $4.99 | one-time |


### Piece Day

[App page](https://appshunter.io/ios/app/piece-day/id6792414283)

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

**In-app purchases:** none


## Frequently asked questions

### Is ThoughtTrace free?

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

### Is Piece Day free?

Piece Day is free to download, with no in-app purchases.

### Do ThoughtTrace or Piece Day have ads?

ThoughtTrace shows ads; Piece Day does not.

### Which is updated more often, ThoughtTrace or Piece Day?

ThoughtTrace ships an update every 3 weeks, and Piece Day every 11 days. Most recently, ThoughtTrace was updated on October 31, 2026 and Piece Day on October 8, 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.*