# OneThing vs Gizmo

The clearest difference is price: OneThing at Free against Gizmo's $2.00. OneThing also leads on in-app purchases (none vs 2). Gizmo's advantage is update cadence (weekly vs every 2 months) and iOS requirement (17.0 vs 26.1). On ads and device support there is nothing between them.

OneThing is free to download; Gizmo costs $2.00 up front. Gizmo sells 2 in-app purchases, starting at $2.99 per month. OneThing asks for nothing beyond the download.

OneThing ships an update every 2 months, Gizmo weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | OneThing | Gizmo |
| --- | --- | --- |
| Price | **Free** | $2.00 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 3 MB | 3 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Grupo Pixeles Latinoamerica, S.A. de C.V.](https://appshunter.io/developer/1704830040) | [Myworkingmemory LLC](https://appshunter.io/developer/1892099684) |

## What reviewers say

### OneThing

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

**In-app purchases:** none


### Gizmo

[App page](https://appshunter.io/ios/app/gizmo-track-your-time/id6774813320)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited Timers | $2.99 | per month |
| Yearly Unlimited Timers | $25.00 | per year |


## Frequently asked questions

### Is OneThing free?

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

### Is Gizmo free?

Gizmo costs $2.00, and also offers in-app purchases.

### Do OneThing or Gizmo have ads?

Neither OneThing nor Gizmo shows ads.

### Which is updated more often, OneThing or Gizmo?

OneThing ships an update every 2 months, and Gizmo weekly. Most recently, OneThing was updated on October 31, 2026 and Gizmo 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.*