# Maintain by Blue House Tech vs Engine Service Log

The clearest difference is price: Maintain by Blue House Tech at Free against Engine Service Log's $1.99. Engine Service Log's advantage is update cadence (every 4 months vs every 33 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Maintain by Blue House Tech is free to download; Engine Service Log costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Maintain by Blue House Tech ships an update every 33 months, Engine Service Log every 4 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Maintain by Blue House Tech | Engine Service Log |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/maintain-by-blue-house-tech/id1539344697/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 3 MB | 1 MB |
| Requires iOS | 26.0 | **15.2** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Blue House Tech LLC](https://appshunter.io/developer/1511813315) | [James C Hendryx](https://appshunter.io/developer/1485136050) |

## What reviewers say

### Maintain by Blue House Tech

[App page](https://appshunter.io/ios/app/maintain-by-blue-house-tech/id1539344697)

Track maintenance and upgrades for your valuable assets like cars, homes, and boats. Never forget essential tasks like oil changes or know the age of your appliances.

**Highlights:** Record maintenance history, Track asset upgrades, Schedule reminders for tasks, Manage car maintenance, Log home improvements, Track boat upkeep

**Features:** macOS Compatibility

**In-app purchases:** none


### Engine Service Log

[App page](https://appshunter.io/ios/app/engine-service-log/id1602083172)

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

**In-app purchases:** none


## Frequently asked questions

### Is Maintain by Blue House Tech free?

Maintain by Blue House Tech is free to download, with no in-app purchases.

### Is Engine Service Log free?

Engine Service Log costs $1.99, with no in-app purchases.

### Do Maintain by Blue House Tech or Engine Service Log have ads?

Neither Maintain by Blue House Tech nor Engine Service Log shows ads.

### Which is updated more often, Maintain by Blue House Tech or Engine Service Log?

Maintain by Blue House Tech ships an update every 33 months, and Engine Service Log every 4 months. Most recently, Maintain by Blue House Tech was updated on October 24, 2026 and Engine Service Log on October 30, 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.*