# Interval Timer vs IntervalSmith

The clearest difference is ads: IntervalSmith at none against Interval Timer's shown. IntervalSmith also leads on update cadence (every 5 days vs fortnightly). Interval Timer's advantage is iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer sells 7 in-app purchases, starting at $3.99 per month and IntervalSmith sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Interval Timer ships an update fortnightly, IntervalSmith every 5 days. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Interval Timer | IntervalSmith |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (297 ratings)](https://appshunter.io/ios/app/interval-timer-purehiit/id1198752738/reviews)** | — |
| Number of ratings | **297** | — |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | +4 | 4+ |
| Developer | [Miklos Pavel](https://appshunter.io/developer/979923367) | [Frank Fattizzi](https://appshunter.io/developer/1059014622) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-purehiit/id1198752738)

This app provides a customizable timer for high-intensity interval training (HIIT), Tabata, and other workout styles. It offers clear visual cues and sound notifications to guide users through work and rest periods, allowing them to focus on their exercise. Users can save routines, set reminders, and integrate with music playback.

**Highlights:** Customizable work and rest intervals, Sound cues for phase transitions, Background operation, Landscape mode support, Save custom routines, Workout reminders, Clear phase color indicators

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $19.99 | per year |
| Remove Ads | $1.99 | one-time |
| Custom sounds | $1.99 | one-time |
| Premium features | $4.99 | one-time |
| Premium features | $9.99 | one-time |
| Premium features | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Great timer functionality
- 👍 Can program intervals (warmup, activity, rest, cool down)
- 👍 Supports many rounds (up to 100)
- 👍 Ability to save workouts

**What reviewers complain about**

- 💰 App became paid unexpectedly
- 💰 Premium required to start timer
- 💡 Round cap limits functionality for high rep activities
- 💡 Needs more than 30 intervals for some routines (e.g., stretching)
- 💡 Lacks a background click feature (e.g., every second)

**Reported bugs**

- Advertisements still present after paying for removal
- App requires premium to start timer (recent change)

**Requested features**

- Remove the cap on rounds
- Add a background click feature (e.g., every second)
- More sound options
- Option for more than one workout
- Add a halfway beep


### IntervalSmith

[App page](https://appshunter.io/ios/app/intervalsmith/id6808835732)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IntervalSmith Pro | $4.99 | one-time |


## Frequently asked questions

### Is Interval Timer free?

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

### Is IntervalSmith free?

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

### Do Interval Timer or IntervalSmith have ads?

Interval Timer shows ads; IntervalSmith does not.

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

Interval Timer ships an update fortnightly, and IntervalSmith every 5 days. Most recently, Interval Timer was updated on November 2, 2026 and IntervalSmith on October 24, 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.*