# Interval Rush vs 1SecondLap

The clearest difference is ads: 1SecondLap at none against Interval Rush's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Interval Rush | 1SecondLap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Daily |
| Size | 40 MB | 9 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Martijn Robert Linstra](https://appshunter.io/developer/1714881086) | [DOCUEX LIMITED](https://appshunter.io/developer/6783314970) |

## What reviewers say

### Interval Rush

[App page](https://appshunter.io/ios/app/interval-rush/id6751962397)

**Features:** Apple Watch app

**In-app purchases:** none


### 1SecondLap

[App page](https://appshunter.io/ios/app/1secondlap/id6783314968)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Interval Rush free?

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

### Is 1SecondLap free?

1SecondLap is free to download, with no in-app purchases.

### Do Interval Rush or 1SecondLap have ads?

Interval Rush shows ads; 1SecondLap does not.

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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.*