# Park Smarter vs Interlock Warm Up

The clearest difference is rating: Park Smarter at 4.5 against Interlock Warm Up's 1.4. Park Smarter also leads on update cadence (every 6 weeks vs every 10 months) and ratings volume (12K vs 11). Interlock Warm Up's advantage is iOS requirement (12.0 vs 15.1). 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.

Park Smarter holds the better App Store score, 4.5 against 1.4. That said, the two scores are not equally well evidenced: Park Smarter has 12K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 12% of Park Smarter's written reviews are positive against 0% of Interlock Warm Up's.

Park Smarter ships an update every 6 weeks, Interlock Warm Up every 10 months. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Park Smarter | Interlock Warm Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (12K ratings)](https://appshunter.io/ios/app/park-smarter/id1055789534/reviews)** | [1.4 (11 ratings)](https://appshunter.io/ios/app/interlock-warm-up/id1457709536/reviews) |
| Number of ratings | **12K** | 11 |
| Positive reviews | **12.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 10 months |
| Monetization | Free | Free |
| Best chart rank | **#84** | — |
| Size | 43 MB | 26 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IPS Group Inc](https://appshunter.io/developer/1055789533) | [Low Cost Interlock](https://appshunter.io/developer/1262604721) |

## What reviewers say

### Park Smarter

[App page](https://appshunter.io/ios/app/park-smarter/id1055789534)

**Currently charting:** #84 Top Free · Productivity (US App Store)

Easily find and pay for street parking using a map interface. Store your vehicle and payment information for quick transactions. Extend your parking time remotely and receive notifications to avoid tickets.

**Highlights:** Find available parking spots, Pay for parking remotely, Extend parking sessions, Receive meter expiration notifications, Store vehicle and payment info, Manage multiple vehicles and payment methods

**In-app purchases:** none

**What reviewers like**

- 💡 Convenient remote parking meter extension
- 🚀 Easy to use app
- 👍 Ability to pay for parking from anywhere

**What reviewers complain about**

- 🐛 App frequently crashes or freezes
- 🔒 Security and login issues
- 🚫 Inability to pay for less than 1 hour
- ⚠️ Unreliable notifications and meter updates
- 🤔 Confusing user interface

**Reported bugs**

- App fails to connect to parking meters
- Inaccurate meter time display
- Double booking of parking spots
- Incompatibility with older iOS versions

**Requested features**

- Add option to pay for less than 1 hour
- Improve notification system to alert users before meter expires
- Provide a way to cancel/end parking session remotely


### 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 Park Smarter free?

Park Smarter 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, Park Smarter or Interlock Warm Up?

Park Smarter is rated higher. Park Smarter averages 4.5 out of 5 from 12K ratings, while Interlock Warm Up averages 1.4 from 11 ratings.

### Do Park Smarter or Interlock Warm Up have ads?

Neither Park Smarter nor Interlock Warm Up shows ads.

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

Park Smarter ships an update every 6 weeks, and Interlock Warm Up every 10 months. Most recently, Park Smarter was updated on November 2, 2026 and Interlock Warm Up on October 24, 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.*