# Interval Timer vs Sezzy Timer

The clearest difference is price: Interval Timer at Free against Sezzy Timer's $1.99. Interval Timer also leads on rating (4.5 vs 3.9) and update cadence (every 9 days vs every 3 months). Sezzy Timer's advantage is in-app purchases (none vs 8) and ads (none vs shown). On iOS requirement there is nothing between them.

Interval Timer is free to download; Sezzy Timer costs $1.99 up front. Interval Timer sells 6 in-app purchases, starting at $0.99 per month. Sezzy Timer asks for nothing beyond the download.

Interval Timer holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 100, so its average is the more settled of the two. Written reviews point the same way: 69% of Interval Timer's written reviews are positive against 50% of Sezzy Timer's.

Interval Timer ships an update every 9 days, Sezzy Timer every 3 months. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Interval Timer | Sezzy Timer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (19K ratings)](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568/reviews)** | [3.9 (100 ratings)](https://appshunter.io/ios/app/sezzy-timer/id1442742654/reviews) |
| Number of ratings | **19K** | 100 |
| Positive reviews | **69.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#82** |
| Size | 143 MB | 22 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEO PIXEL LABS PTE. LTD.](https://appshunter.io/developer/1788472183) | [Sarah's Day Pty Limited](https://appshunter.io/developer/1237846867) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568)

This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.

**Highlights:** Customizable sets, intervals, and rest times, Runs in background and with screen locked, Music playlist integration, Save settings as templates, Apple Health integration for heart rate, Post workouts to social media

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus - 1 Month | $0.99 | per month |
| Premium - 1 Month | $1.99 | per month |
| Plus - 1 Month | $1.99 | per month |
| Premium - 1 Month | $2.99 | per month |
| Plus - 1 Year | $4.99 | per year |
| Premium - 1 Year | $9.99 | per year |

**What reviewers like**

- 🚀 Free version works well
- 👍 Customizable intervals and timers
- 👍 Flexible for different workouts
- 👍 Easy to use and set up
- 👍 Provides visual and audio cues

**What reviewers complain about**

- 🐛 Timer issues (stops, loses time)
- 🔋 Drains battery when used
- 💰 Expensive subscription model
- 📢 Intrusive ads
- 🔒 Incompatible with other apps

**Reported bugs**

- Ads block functionality
- App freezes or crashes
- Timer doesn't work in background

**Requested features**

- Add notes to workouts
- Provide workout history and analytics
- Allow syncing with Apple Health
- Improve Apple Watch integration
- Add more customization options


### Sezzy Timer

[App page](https://appshunter.io/ios/app/sezzy-timer/id1442742654)

**Currently charting:** #82 Top Paid · Health & Fitness (US App Store)

This app provides pre-formatted workout timers for various fitness routines, including HIIT and Pilates. It offers visual and auditory cues to guide users through exercises and rest periods, allowing for efficient and motivating workouts. Users can also create custom timers and listen to music simultaneously.

**Highlights:** Eleven unique pre-formatted timers, Custom timer creation, Visual and auditory cues, Background operation with music, Pause and play functionality, Next exercise display

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive user interface
- 🎵 Works seamlessly with background music (Spotify, Apple Music)
- 🎤 Sarah's voice guidance is motivating and helpful
- 💪 Perfect companion for Sarah's ebook workouts
- ⏱️ Eliminates need to manually set up interval timers

**What reviewers complain about**

- 🐛 Timer frequently crashes or stops mid-workout
- 🐛 Timer pauses when switching between apps
- ⏰ Timer accuracy issues (runs slow or fast)
- ❌ No back button to return to main menu
- ❌ Cannot skip ahead if timer accidentally exits

**Reported bugs**

- Timer stops or crashes mid-workout
- Timer pauses when switching to other apps
- Timer accuracy issues (runs faster or slower than expected)
- App crashes when phone screen locks
- Timer resets if accidentally navigate away

**Requested features**

- Apple Watch app support
- Add 20-second rest period option
- Save custom timer settings for reuse
- Skip/fast-forward button to jump between sets
- Back button to return to main menu


## Frequently asked questions

### Is Interval Timer free?

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

### Is Sezzy Timer free?

Sezzy Timer costs $1.99, with no in-app purchases.

### Which has better reviews, Interval Timer or Sezzy Timer?

Interval Timer is rated higher. Interval Timer averages 4.5 out of 5 from 19K ratings, while Sezzy Timer averages 3.9 from 100 ratings.

### Do Interval Timer or Sezzy Timer have ads?

Interval Timer shows ads; Sezzy Timer does not.

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

Interval Timer ships an update every 9 days, and Sezzy Timer every 3 months. Most recently, Interval Timer was updated on September 25, 2026 and Sezzy Timer on September 23, 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.*