# OneThing vs Oops, Paper Trail!

The clearest difference is in-app purchases: OneThing at none against Oops, Paper Trail!'s 2. Oops, Paper Trail!'s advantage is update cadence (every 4 days vs every 6 weeks) and iOS requirement (16.4 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Oops, Paper Trail! sells 2 in-app purchases, starting at $4.99 per month. OneThing asks for nothing beyond the download.

OneThing ships an update every 6 weeks, Oops, Paper Trail! every 4 days. The most recent releases landed on September 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OneThing | Oops, Paper Trail! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 3 MB | 44 MB |
| Requires iOS | 26.1 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Grupo Pixeles Latinoamerica, S.A. de C.V.](https://appshunter.io/developer/1704830040) | [Angela Rocha](https://appshunter.io/developer/6798873393) |

## What reviewers say

### OneThing

[App page](https://appshunter.io/ios/app/onething-one-task/id6762528138)

**In-app purchases:** none


### Oops, Paper Trail!

[App page](https://appshunter.io/ios/app/oops-paper-trail/id6800124410)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access Monthly | $4.99 | per month |
| Full Access Annual | $39.99 | per year |


## Frequently asked questions

### Is OneThing free?

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

### Is Oops, Paper Trail! free?

Oops, Paper Trail! is free to download, with in-app purchases available.

### Do OneThing or Oops, Paper Trail! have ads?

Neither OneThing nor Oops, Paper Trail! shows ads.

### Which is updated more often, OneThing or Oops, Paper Trail!?

OneThing ships an update every 6 weeks, and Oops, Paper Trail! every 4 days. Most recently, OneThing was updated on September 12, 2026 and Oops, Paper Trail! on October 7, 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.*