Mechanical Engineering Gears

Different types of gears are described with images.

Ceyone Apps · com.kadrala.sreejith.gears

Not rated yet 10K+ downloads v30.0 6.2 MB Android 6.0+ PEGI 3 · Everyone

Download APK 6.2 MB All versions

Signature matches the Google Play version Details

Mechanical Engineering Gears screenshot 1

Mechanical Engineering Gears screenshot 2

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Mechanical Engineering Gears screenshot 6

Mechanical Engineering Gears screenshot 7

Mechanical Engineering Gears screenshot 8

At a glance

Latest version: v30.0 (30)
Updated: Sep 15, 2026 (23 days ago)
APK size: 6.2 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Education (app)
Listed since: Jun 12, 2021 (at least)
Permissions: 6
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Mechanical Engineering Gears is an app by Ceyone Apps in the Education category, listed since at least June 2021. It has no native code, so it runs on any Android processor.

Since version 22.0, the APK shrank from 8.4 MB to 6.2 MB and the minimum Android version rose from 4.1 to 6.0. It asks for 6 permissions, none of them sensitive. It asks for the same permissions as version 29.0. The app can read the advertising ID that ad and analytics services use.

What's new in v30.0

Better design than the previous version.

Description

From the listing uploaded by “appupdater”.

The following topics are explained in this application -GEARS INTRODUCTION -ADVANTAGES AND DISADVANTAGES OF GEAR DRIVES -CLASSIFICATION OF GEARS -FORMS OF TEETH -ADVANTAGES OF CYCLOIDAL AND INVOLUTE GEARS -SYSTEMS OF GEAR TEETH -GEAR MATERIALS -MINIMUM NUMBER OF TEETH ON THE PINION IN ORDER TO AVOID INTERFERENCE -DESIGN CONSIDERATION FOR A GEAR DRIVE -CAUSES OF GEAR TOOTH FAILURE -SPUR GEAR -HELICAL GEAR -TERMS USED IN HELICAL GEARS -CROWN GEAR -HERRINGBONE GEAR -BEVEL GEAR -CLASSIFICATION OF BEVEL GEAR -HYPOID GEAR -RACK AND PINION -SPIRAL BEVEL GEAR -SUN AND PLANET GEAR -WORM GEAR -GEAR TERMINOLOGY -GEAR TRAIN INTRODUCTION -TYPES OF GEAR TRAINS

Version history

5 versions are listed, going back to v22.0. Since v27.0 it requires Android 6.0+.

v30.0 LATEST Sep 15, 2026 6.2 MB TRUSTED v29.0 Aug 29, 2026 7.7 MB TRUSTED v27.0 Aug 13, 2025 7.3 MB TRUSTED v24.0 Oct 3, 2024 7.3 MB TRUSTED v22.0 Jun 4, 2024 8.4 MB TRUSTED

All 5 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 15, 2026.
Certificate issued to “sreejithk” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Sep 15, 2026
Validated against Google Play Sep 15, 2026
Signed byCN=sreejithk
Signing certificate (SHA-1)E5:B9:BE:E7:2F:5B:42:10:84:74:79:AD:5D:E6:55:C8:E9:DB:84:BD
File MD565476efba5a8e257e0575a9a7a4458b7
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (6)

Mechanical Engineering Gears requests 6 permissions, none of them sensitive.

Advertising ID com.google.android.gms.permission.AD_ID
Attest (custom) com.amazon.privacypass.ATTEST
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) com.kadrala.sreejith.gears.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Reorder tasks android.permission.REORDER_TASKS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Mechanical Engineering Gears APK: questions and answers

Is there a version of Mechanical Engineering Gears for older Android phones?

The current version needs Android 6.0 or later. Version 24.0 is the newest listed build that installs on Android 5.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 24.0 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Mechanical Engineering Gears APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 65476efba5a8e257e0575a9a7a4458b7.