# New Interval Timer vs Redline

The clearest difference is update cadence: Redline at weekly against New Interval Timer's every 6 months. New Interval Timer's advantage is iOS requirement (13.0 vs 16.2). 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.

New Interval Timer ships an update every 6 months, Redline weekly. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | New Interval Timer | Redline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/redline-sprint-timer/id6807452754/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Free |
| Size | 18 MB | 2 MB |
| Requires iOS | **13.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [UMUT YENIDIL](https://appshunter.io/developer/1788558588) | [STEPHEN MARK SCHLESINGER](https://appshunter.io/developer/6791812406) |

## What reviewers say

### New Interval Timer

[App page](https://appshunter.io/ios/app/new-interval-timer/id6757299149)

**Features:** macOS Compatibility

**In-app purchases:** none


### Redline

[App page](https://appshunter.io/ios/app/redline-sprint-timer/id6807452754)

This app simplifies sprint interval training for runners. It provides customizable countdowns, voice cues, and haptic feedback for each sprint and rest period. Sessions sync with Apple Health and can be controlled via Apple Watch and the Lock Screen.

**Highlights:** Customizable sprint and rest intervals, Voice cues for transitions, Apple Watch workout integration, Lock Screen Live Activity, Apple Health syncing, No account or subscription required

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

**In-app purchases:** none


## Frequently asked questions

### Is New Interval Timer free?

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

### Is Redline free?

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

### Do New Interval Timer or Redline have ads?

Neither New Interval Timer nor Redline shows ads.

### Which is updated more often, New Interval Timer or Redline?

New Interval Timer ships an update every 6 months, and Redline weekly. Most recently, New Interval Timer was updated on September 10, 2026 and Redline on September 20, 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.*