# Clean Time App vs Interlock Warm Up

The clearest difference is review sentiment: Clean Time App at 57% against Interlock Warm Up's 0%. Clean Time App also leads on rating (4.0 vs 1.5) and update cadence (monthly vs every 10 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Clean Time App holds the better App Store score, 4.0 against 1.5. That said, the two scores are not equally well evidenced: Clean Time App has 52 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 57% of Clean Time App's written reviews are positive against 0% of Interlock Warm Up's.

Clean Time App ships an update monthly, Interlock Warm Up every 10 months. The most recent releases landed on September 19, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Clean Time App | Interlock Warm Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (52 ratings)](https://appshunter.io/ios/app/clean-time-app/id1284810542/reviews)** | [1.5 (8 ratings)](https://appshunter.io/ios/app/interlock-warm-up/id1457709536/reviews) |
| Number of ratings | **52** | 8 |
| Positive reviews | **57.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Free | Free |
| Size | 14 MB | 26 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Justin Bray](https://appshunter.io/developer/1284810540) | [Low Cost Interlock](https://appshunter.io/developer/1262604721) |

## What reviewers say

### Clean Time App

[App page](https://appshunter.io/ios/app/clean-time-app/id1284810542)

Track your progress in recovery from various habits or events. Customize your experience with personal details and color themes. Access helpful readings and maintain a gratitude list.

**Highlights:** Customizable day counter, Track recovery from various habits, Personalized themes and name, Gratitude list feature, Access to recovery readings, Time display in various units

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

**In-app purchases:** none


### Interlock Warm Up

[App page](https://appshunter.io/ios/app/interlock-warm-up/id1457709536)

This app allows you to remotely start the interlock warm-up process for your vehicle. Avoid waiting in your car by initiating the warm-up sequence from your mobile device.

**Highlights:** Remote start warm-up process, Eliminate wait time in vehicle, Control interlock system, Mobile device integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clean Time App free?

Clean Time App is free to download, with no in-app purchases.

### Is Interlock Warm Up free?

Interlock Warm Up is free to download, with no in-app purchases.

### Which has better reviews, Clean Time App or Interlock Warm Up?

Clean Time App is rated higher. Clean Time App averages 4.0 out of 5 from 52 ratings, while Interlock Warm Up averages 1.5 from 8 ratings.

### Do Clean Time App or Interlock Warm Up have ads?

Neither Clean Time App nor Interlock Warm Up shows ads.

### Which is updated more often, Clean Time App or Interlock Warm Up?

Clean Time App ships an update monthly, and Interlock Warm Up every 10 months. Most recently, Clean Time App was updated on September 19, 2026 and Interlock Warm Up on June 3, 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.*