# OneDayCam vs Ephemeral Trace

The clearest difference is in-app purchases: OneDayCam at none against Ephemeral Trace's 1. OneDayCam also leads on update cadence (daily vs every 11 days) and iOS requirement (17.6 vs 26.0). Ephemeral Trace's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Ephemeral Trace sells 1 one-off in-app purchase. OneDayCam asks for nothing beyond the download.

OneDayCam ships an update daily, Ephemeral Trace every 11 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | OneDayCam | Ephemeral Trace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 11 days |
| Size | 6 MB | 10 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YUKI YAMAGUCHI](https://appshunter.io/developer/1865253155) | [Ephemeral Trace LDA](https://appshunter.io/developer/1884133335) |

## What reviewers say

### OneDayCam

[App page](https://appshunter.io/ios/app/onedaycam/id6757694308)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ephemeral Trace

[App page](https://appshunter.io/ios/app/ephemeral-trace-temp-camera/id6760367407)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ephemeral Trace Pro | $9.99 | one-time |


## Frequently asked questions

### Is OneDayCam free?

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

### Is Ephemeral Trace free?

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

### Do OneDayCam or Ephemeral Trace have ads?

OneDayCam shows ads; Ephemeral Trace does not.

### Which is updated more often, OneDayCam or Ephemeral Trace?

OneDayCam ships an update daily, and Ephemeral Trace every 11 days. Most recently, OneDayCam was updated on October 25, 2026 and Ephemeral Trace on October 25, 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.*