# Clearance Reduction Calculator vs Engine Service Log

The clearest difference is price: Clearance Reduction Calculator at Free against Engine Service Log's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Clearance Reduction Calculator 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.

Clearance Reduction Calculator ships an update every 5 months, Engine Service Log every 4 months. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Clearance Reduction Calculator | Engine Service Log |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Size | 44 MB | 1 MB |
| Requires iOS | **15.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BGL - Bertoloto & Grotta Ltda](https://appshunter.io/developer/1541906338) | [James C Hendryx](https://appshunter.io/developer/1485136050) |

## What reviewers say

### Clearance Reduction Calculator

[App page](https://appshunter.io/ios/app/clearance-reduction-calculator/id1379077479)

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

**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 Clearance Reduction Calculator free?

Clearance Reduction Calculator 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 Clearance Reduction Calculator or Engine Service Log have ads?

Neither Clearance Reduction Calculator nor Engine Service Log shows ads.

### Which is updated more often, Clearance Reduction Calculator or Engine Service Log?

Clearance Reduction Calculator ships an update every 5 months, and Engine Service Log every 4 months. Most recently, Clearance Reduction Calculator was updated on October 10, 2026 and Engine Service Log on October 8, 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.*