# Interval Timer vs Smartgasapp

The clearest difference is in-app purchases: Smartgasapp at none against Interval Timer's 3. Smartgasapp also leads on update cadence (every 2 days vs every 3 weeks) and iOS requirement (13.4 vs 26.0). Interval Timer's advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $4.99 per month. Smartgasapp asks for nothing beyond the download.

Interval Timer ships an update every 3 weeks, Smartgasapp every 2 days. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Interval Timer | Smartgasapp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (25 ratings)](https://appshunter.io/ios/app/interval-timer-timewave/id1524345488/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 49 MB | 27 MB |
| Requires iOS | 26.0 | **13.4** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammed Sahil Arayakandy](https://appshunter.io/developer/1524345491) | [Esyasoft](https://appshunter.io/developer/1746042220) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-timewave/id1524345488)

This versatile timer app allows users to create custom sequences for various activities, from breathwork and workouts to focus sessions and cooking. It offers AI-powered voice guidance, iCloud synchronization across Apple devices, and a minimalist black-and-white interface.

**Highlights:** Customizable timer chains, Breathwork flow builder, Intermittent fasting timers, Workout routine creator, Focus and Pomodoro timers, AI voice guidance, iCloud sync across devices

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $24.99 | per year |
| Lifetime Premium | $49.99 | one-time |


### Smartgasapp

[App page](https://appshunter.io/ios/app/smartgasapp/id6502594677)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

Interval Timer is free to download, with in-app purchases available.

### Is Smartgasapp free?

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

### Do Interval Timer or Smartgasapp have ads?

Neither Interval Timer nor Smartgasapp shows ads.

### Which is updated more often, Interval Timer or Smartgasapp?

Interval Timer ships an update every 3 weeks, and Smartgasapp every 2 days. Most recently, Interval Timer was updated on September 22, 2026 and Smartgasapp on September 10, 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.*