# Timeline vs Interval Timer

The clearest difference is monetization model: Timeline at free against Interval Timer's subscription. Timeline also leads on review sentiment (100% vs 67%) and device support (3 vs 1). Interval Timer's advantage is update cadence (every 4 weeks vs every 22 months) and ratings volume (3.5K vs 9). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Timeline sells 1 one-off in-app purchase and Interval Timer sells 12 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Timeline against 4.7 for Interval Timer. That said, the two scores are not equally well evidenced: Interval Timer has 3.5K ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 100% of Timeline's written reviews are positive against 67% of Interval Timer's.

Timeline ships an update every 22 months, Interval Timer every 4 weeks. The most recent releases landed on September 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Timeline | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (9 ratings)](https://appshunter.io/ios/app/timeline-interval-timer/id1234080761/reviews) | **[4.7 (3.5K ratings)](https://appshunter.io/ios/app/interval-timer/id1610398390/reviews)** |
| Number of ratings | 9 | **3.5K** |
| Positive reviews | **100.0% of reviews** | 66.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 4 weeks** |
| Monetization | **Free** | Subscription |
| Size | 9 MB | 243 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fly Your Vision B.V.](https://appshunter.io/developer/1022537687) | [HIIT Apps Sp. z o.o.](https://appshunter.io/developer/1713395721) |

## What reviewers say

### Timeline

[App page](https://appshunter.io/ios/app/timeline-interval-timer/id1234080761)

This app provides a highly customizable interval timer for various activities, including fitness, exercise, and productivity. Create and manage timer sequences with intuitive gestures, utilize ready-made templates, and share your routines with others. Enjoy spoken prompts and motivational messages to stay on track.

**Highlights:** Flexible interval timer design, Intuitive gesture-based timer creation, Ready-made schemes and templates, Manage and arrange timers by category, Share timers with friends or clients, Spoken timers and motivational messages, Continuous alarm option

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timeline Interval Timer Pro | $4.99 | one-time |


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer/id1610398390)

This app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

**Highlights:** Customizable interval settings, Voice assistant with text-to-speech, Music ducking for audio integration, Save custom workouts, Tabata, Rounds, Stopwatch modes, Apple Health integration

**Features:** Family Sharing, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervals: monthly membership | $1.99 | per month |
| Intervals: membership | $3.99 | per 3 months |
| Intervals: monthly membership | $4.99 | per month |
| Intervals: yearly membership | $6.99 | per year |
| Intervals: yearly membership | $9.99 | per year |
| Intervals: yearly membership | $19.99 | per year |
| Intervals: yearly membership | $24.99 | per year |
| Intervals: membership | $24.99 | per year |
| Intervals \| PRO version | $14.99 | one-time |
| Intervals \| Membership | $14.99 | one-time |
| Intervals \| Membership | $34.99 | one-time |
| Intervals \| Membership | $39.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Customizable workouts
- 🚀 Versatile and efficient
- 🚀 Helpful voice prompts
- 👍 Seamless music integration

**What reviewers complain about**

- 🐛 Bugs causing lost workouts
- 🔋 High battery consumption
- 💰 Subscription-based model
- 🔒 Forced free trial
- 🐛 Timing issues with intervals

**Reported bugs**

- Workouts disappearing
- App crashes and freezes
- Timing issues with intervals

**Requested features**

- Apple Watch integration
- More customization options
- Additional audio cues and prompts
- Improved workout tracking and history


## Frequently asked questions

### Is Timeline free?

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

### Is Interval Timer free?

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

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

Interval Timer is rated higher. Timeline averages 4.6 out of 5 from 9 ratings, while Interval Timer averages 4.7 from 3.5K ratings.

### Do Timeline or Interval Timer have ads?

Neither Timeline nor Interval Timer shows ads.

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

Timeline ships an update every 22 months, and Interval Timer every 4 weeks. Most recently, Timeline was updated on September 22, 2026 and Interval Timer on October 8, 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.*