# Interlock Warm Up vs DoorLoop

The clearest difference is rating: DoorLoop at 4.8 against Interlock Warm Up's 1.5. DoorLoop also leads on review sentiment (39% vs 0%) and update cadence (monthly vs every 10 months). Interlock Warm Up's advantage is monetization model (free vs freemium). On price, ads, in-app purchases and device support there is nothing between them.

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

DoorLoop holds the better App Store score, 4.8 against 1.5. That said, the two scores are not equally well evidenced: DoorLoop has 4.1K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 0% of Interlock Warm Up's written reviews are positive against 39% of DoorLoop's.

Interlock Warm Up ships an update every 10 months, DoorLoop monthly. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Interlock Warm Up | DoorLoop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (8 ratings)](https://appshunter.io/ios/app/interlock-warm-up/id1457709536/reviews) | **[4.8 (4.1K ratings)](https://appshunter.io/ios/app/doorloop/id1590868801/reviews)** |
| Number of ratings | 8 | **4.1K** |
| Positive reviews | 0.0% of reviews | **39.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 26 MB | 23 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Low Cost Interlock](https://appshunter.io/developer/1262604721) | [DoorLoop Inc](https://appshunter.io/developer/1590868803) |

## What reviewers say

### 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


### DoorLoop

[App page](https://appshunter.io/ios/app/doorloop/id1590868801)

This comprehensive property management solution streamlines operations for landlords and tenants. It offers tools for managing portfolios, processing applications, tracking payments, and handling maintenance requests, all from a single platform.

**Highlights:** Manage entire rental portfolio, Process applications and background checks, Track rent payments and ledgers, Review financials and reports, Manage maintenance requests, Online rent payments for tenants

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient financial tracking
- 🔒 Secure and reliable
- 🛠️ Comprehensive legal guidance
- 💻 Eco-friendly and paperless
- 📊 Intelligent insights

**What reviewers complain about**

- 🐛 Glitchy and unreliable app
- 💰 High fees and charges
- 🔒 Difficult login and account management
- 🤖 Useless AI chatbot
- 🔍 Lack of tenant support and communication

**Reported bugs**

- Constant app crashes and freezes
- Inability to log in or access account
- Disappearing or incorrect payment records
- Compatibility issues with newer devices
- Recurring login and authentication problems

**Requested features**

- Biometric login options
- Improved mobile app functionality
- Enhanced communication and support for tenants
- Streamlined payment processing
- Customizable dashboard and reporting


## Frequently asked questions

### Is Interlock Warm Up free?

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

### Is DoorLoop free?

DoorLoop is free to download, with no in-app purchases.

### Which has better reviews, Interlock Warm Up or DoorLoop?

DoorLoop is rated higher. Interlock Warm Up averages 1.5 out of 5 from 8 ratings, while DoorLoop averages 4.8 from 4.1K ratings.

### Do Interlock Warm Up or DoorLoop have ads?

Neither Interlock Warm Up nor DoorLoop shows ads.

### Which is updated more often, Interlock Warm Up or DoorLoop?

Interlock Warm Up ships an update every 10 months, and DoorLoop monthly. Most recently, Interlock Warm Up was updated on October 18, 2026 and DoorLoop on October 20, 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.*