# Interval Timer & Tabata Timer vs Lock in

Interval Timer & Tabata Timer and Lock in both sit at 1.0 stars, but that hides the real split: 100% of Interval Timer & Tabata Timer's written reviews are positive against 0% of Lock in's. Interval Timer & Tabata Timer also leads on monetization model (free with in-app purchases vs subscription) and device support (3 vs 1). Lock in's advantage is update cadence (every 2 months vs every 5 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Interval Timer & Tabata Timer sells 1 one-off in-app purchase and Lock in sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 1.0 for Interval Timer & Tabata Timer against 1.0 for Lock in. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 100% of Interval Timer & Tabata Timer's written reviews are positive against 0% of Lock in's.

Interval Timer & Tabata Timer ships an update every 5 months, Lock in every 2 months. The most recent releases landed on June 7, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Interval Timer & Tabata Timer | Lock in |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/interval-timer-and-tabata-timer/id6448256151/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/lock-in-habit-tracker/id6751658996/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 55 MB | 34 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Joel Bialluch](https://appshunter.io/developer/1473679950) |

## What reviewers say

### Interval Timer & Tabata Timer

[App page](https://appshunter.io/ios/app/interval-timer-and-tabata-timer/id6448256151)

Structure your workouts with custom exercise and rest intervals. This app supports various training types like HIIT, cardio, and strength training, offering audio and visual cues to keep you focused. It's designed for all fitness levels to make training more efficient.

**Highlights:** Customizable exercise and rest intervals, Supports HIIT, cardio, strength training, yoga, Audio and visual interval alerts, Ready-made workout presets, Clear display of current interval and remaining time, Suitable for beginners and advanced users

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $7.99 | one-time |


### Lock in

[App page](https://appshunter.io/ios/app/lock-in-habit-tracker/id6751658996)

Easily track your daily habits and progress towards your goals. Define custom habits, monitor your history, and stay motivated with inspiring content. Achieve maximum focus and build discipline.

**Highlights:** Track daily habits, Define custom habits, Monitor season history, Focus timer with Live Activity, Inspiring self-improvement topics, Progress visualization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Annual Premium | $24.99 | per year |
| Annual Premium | $29.99 | per year |


## Frequently asked questions

### Is Interval Timer & Tabata Timer free?

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

### Is Lock in free?

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

### Which has better reviews, Interval Timer & Tabata Timer or Lock in?

Interval Timer & Tabata Timer and Lock in are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Interval Timer & Tabata Timer or Lock in have ads?

Neither Interval Timer & Tabata Timer nor Lock in shows ads.

### Which is updated more often, Interval Timer & Tabata Timer or Lock in?

Interval Timer & Tabata Timer ships an update every 5 months, and Lock in every 2 months. Most recently, Interval Timer & Tabata Timer was updated on June 7, 2026 and Lock in on August 13, 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.*