# Interval Pro Timer vs 1SecondLap

The clearest difference is update cadence: 1SecondLap at daily against Interval Pro Timer's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

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

Interval Pro Timer ships an update every 5 days, 1SecondLap daily. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Interval Pro Timer | 1SecondLap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/interval-pro-timer/id6759046377/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Free | — |
| Size | 30 MB | 9 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [MADELEINE RANDINE WOODBURY](https://appshunter.io/developer/1876516712) | [DOCUEX LIMITED](https://appshunter.io/developer/6783314970) |

## What reviewers say

### Interval Pro Timer

[App page](https://appshunter.io/ios/app/interval-pro-timer/id6759046377)

Create custom timers for workouts, study, or any timed activity. Set work and rest intervals, rounds, and themes with audio and haptic cues. Your data stays private on your device.

**Highlights:** Custom work and rest intervals, Configurable round count, 3-second countdown, Audio and haptic cues, Background-safe notifications, Save unlimited timer presets, Light and dark themes

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

**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 Pro Timer free?

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

### Is 1SecondLap free?

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

### Do Interval Pro Timer or 1SecondLap have ads?

Neither Interval Pro Timer nor 1SecondLap shows ads.

### Which is updated more often, Interval Pro Timer or 1SecondLap?

Interval Pro Timer ships an update every 5 days, and 1SecondLap daily. Most recently, Interval Pro Timer was updated on October 2, 2026 and 1SecondLap on October 1, 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.*