# STACKS

> FREE App for STACKS Clients

Canonical page: [https://chrome-stats.com/d/com.itscrazyamazing.auth\_app](https://chrome-stats.com/d/com.itscrazyamazing.auth_app)

## Overview

- **ID:** `com.itscrazyamazing.auth_app`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** STACKSTECH
- **Category:** BUSINESS
- **Downloads:** 22
- **Version:** 1.2.3
- **Last updated:** 2026-07-19
- **First published:** 2025-08-23
- **Publisher country:** US
- **Size:** 65 MB
- **Data as of:** 2026-09-04
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.itscrazyamazing.auth_app)
- **Website:** [https://Stacks.Tech](https://stacks.tech/)
- **Privacy policy:** [https://Stacks.Tech/privacy](https://stacks.tech/privacy)

## Description

STACKS by STACKS.Tech is the all-in-one toolkit for phone buy-back, repair and resale pros. From the sales counter to the back office, STACKS keeps every step fast, accurate and in sync.<br><br>What you can do with STACKS<br><br>30-Second Price Checks | Scan an IMEI and instantly see fair-market offers and recent eBay comps.<br><br>Smart Buy-In | Enter a device once; STACKS auto-calculates your target margin and logs the purchase in inventory.<br><br>Inventory at a Glance | Track devices by status (in repair, ready to sell, sold) with real-time quantity and value.<br><br>Lead Hub | Capture Google &amp; Facebook ad leads, reply in-app, and push hot prospects straight to WhatsApp.<br><br>Repair &amp; Service Tickets | Log diagnostics, parts used, labor time and customer approvals.<br><br>Sales &amp; Profit Dashboard | Know today’s revenue, gross profit, and top-selling models anywhere you stand.<br><br>GA4 &amp; Sheets Sync | Every sale and lead is mirrored to Google Analytics and Sheets for deeper reporting.<br><br>Secure Cloud | All data is encrypted; sign-in with email, Apple or Google.<br><br>Why shops choose STACKS<br>Saves 10+ minutes on every trade-in.<br>Eliminates spreadsheet errors.<br>Surfaces your true profit in real time.<br>Works on iPhone, iPad and Web, no extra hardware required.<br>Made for resellers, repair techs, pawn shops and anyone who turns used devices into profit. Download STACKS today and stack up smarter sales.

## Rankings

- #2,559,400 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.CAMERA`
- `android.permission.INTERNET`
- `android.permission.RECORD_AUDIO`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.itscrazyamazing.auth_app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Similar extensions and apps

- [Bizstack-POS](https://chrome-stats.com/d/com.nativedesk.bizstack) — 170 users
- [ShopStack360](https://chrome-stats.com/d/com.shopstack360.app) — 4 users
- [Salestack](https://chrome-stats.com/d/io.bilgeguc.salestack) — 7 users
- [Selzstack](https://chrome-stats.com/d/com.rewod.selzstack) — 9 users
- [SingleStack](https://chrome-stats.com/d/com.singlestack) — 1 users
- [Enstack: AI for Entrepreneurs](https://chrome-stats.com/d/com.enstack.merchant) — 423,847 users
- [Stacks Sample Apps](https://chrome-stats.com/d/com.stacksappsamples.www) — 221 users
- [STACKD-VEND](https://chrome-stats.com/d/com.stackd.android) — 30,320 users
- [Amberstack Mobile](https://chrome-stats.com/d/com.amberstack.business) — 1 users
- [ERP Stacks](https://chrome-stats.com/d/com.erpstacks) — 16 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/com.itscrazyamazing.auth_app)