# 1 vs Ntrvl The clearest difference is ads: Ntrvl at none against 1's shown. 1's advantage is iOS requirement (17.0 vs 26.2). On price, 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. ## The numbers | Metric | 1 | Ntrvl | | --- | --- | --- | | Price | Free | Free | | Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ntrvl/id6761427428/reviews)** | | Number of ratings | — | **2** | | In-app purchases | No | No | | Ads | Yes | **No** | | Update frequency | Every 2 weeks | — | | Monetization | — | Free | | Size | 14 MB | 11 MB | | Requires iOS | **17.0** | 26.2 | | Devices | iPhone, iPad | iPhone, Apple Watch | | Age rating | 4+ | 4+ | | Developer | [Satoshi Yamakawa](https://appshunter.io/developer/1864114622) | [BRETT GOWERS RODGERS](https://appshunter.io/developer/1889560561) | ## What reviewers say ### 1 [App page](https://appshunter.io/ios/app/1-tap-timer/id6757376428) **Features:** macOS Compatibility, Vision Pro support **In-app purchases:** none ### Ntrvl [App page](https://appshunter.io/ios/app/ntrvl/id6761427428) This interval timer app helps you set up and manage various workout routines like HIIT and Tabata. It provides haptic, audio, and visual cues to keep you focused. Track your workouts on Apple Watch and sync data with Apple Health. **Highlights:** Customizable intervals, Built-in workout presets, Save custom workouts, Apple Watch companion app, Apple Health integration, Haptic, audio, and visual cues, Background audio support **Features:** macOS Compatibility, Apple Watch app **In-app purchases:** none ## Frequently asked questions ### Is 1 free? 1 is free to download, with no in-app purchases. ### Is Ntrvl free? Ntrvl is free to download, with no in-app purchases. ### Do 1 or Ntrvl have ads? 1 shows ads; Ntrvl does not. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*