# InstantAutoSite vs Service Engine

InstantAutoSite and Service Engine are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

InstantAutoSite ships an update every 4 months, Service Engine every 2 months. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | InstantAutoSite | Service Engine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/instantautosite/id1042584710/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 71 MB | 4 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ReferACar, LLC.](https://appshunter.io/developer/1040762624) | [Keyplan B.V.](https://appshunter.io/developer/970012040) |

## What reviewers say

### InstantAutoSite

[App page](https://appshunter.io/ios/app/instantautosite/id1042584710)

Manage your vehicles online and enhance your ownership experience with this free application. Connect to service history, receive alerts, view maintenance schedules, and earn rewards. Access live support and exclusive offers.

**Highlights:** Connect to service history, Recalls, alerts, and notices, View maintenance schedules, Push message appointment reminders, Birthday and signup offers, Earn rewards for shop visits, Coupons and exclusive savings, Live support with 2-way chat & text

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

**In-app purchases:** none


### Service Engine

[App page](https://appshunter.io/ios/app/service-engine/id1246292907)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InstantAutoSite free?

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

### Is Service Engine free?

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

### Do InstantAutoSite or Service Engine have ads?

Neither InstantAutoSite nor Service Engine shows ads.

### Which is updated more often, InstantAutoSite or Service Engine?

InstantAutoSite ships an update every 4 months, and Service Engine every 2 months. Most recently, InstantAutoSite was updated on September 9, 2026 and Service Engine on September 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.*