# Costco vs Qatom Authenticator

The clearest difference is ads: Qatom Authenticator at none against Costco's shown. Qatom Authenticator also leads on monetization model (free vs free with in-app purchases). Costco's advantage is update cadence (every 5 days vs monthly) and ratings volume (1.3M vs 2). On price, rating, in-app purchases and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Costco against 5.0 for Qatom Authenticator. That said, the two scores are not equally well evidenced: Costco has 1.3M ratings behind it against 2, so its average is the more settled of the two.

Costco ships an update every 5 days, Qatom Authenticator monthly. The most recent releases landed on October 28, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Costco | Qatom Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.3M ratings)](https://appshunter.io/ios/app/costco/id535509415/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/qatom-authenticator/id6670186053/reviews)** |
| Number of ratings | **1.3M** | 2 |
| Positive reviews | 39.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#11** | — |
| Size | 224 MB | 29 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Costco Wholesale Corporation](https://appshunter.io/developer/535509418) | [TODAQ Financial Inc](https://appshunter.io/developer/1383372034) |

## What reviewers say

### Costco

[App page](https://appshunter.io/ios/app/costco/id535509415)

**Currently charting:** #11 Top Free · Shopping, #86 Top Free (US App Store)

Access your membership card, shop online for exclusive items, and find warehouse savings.  Discover gas prices, order photo prints, and manage prescriptions. Plan your next trip with event listings and travel deals.

**Highlights:** Digital membership card, Online shopping and delivery, Warehouse savings and gas prices, Photo printing services, Prescription management, Travel deals, Shopping list

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🤑 Great rewards and rebates
- 🏪 Excellent in-store experience
- 🛒 Convenient bulk shopping
- 🧠 Organized and easy to navigate warehouses

**What reviewers complain about**

- 🤖 Outdated and unintuitive app design
- 🔍 Inability to check in-store inventory and pricing
- 🧭 Frustrating navigation and search functionality
- 🤷‍♀️ Lack of integration between app and in-store experience
- 🔒 Concerns about personal information required for app access

**Reported bugs**

- Frequent app crashes and login issues
- Inconsistent behavior when switching between online and in-store modes
- Incorrect or outdated product information

**Requested features**

- Apple Wallet support for digital membership card
- In-store product availability and pricing information
- Scan and go checkout option
- Customizable quick access buttons
- Improved search capabilities and product filtering


### Qatom Authenticator

[App page](https://appshunter.io/ios/app/qatom-authenticator/id6670186053)

Enhance your online security and convenience for TAPP activities. Approve TAPP events directly from your mobile device to validate your intent and access linked assets. This two-factor verification system keeps your online activity and assets safe and secure.

**Highlights:** Two-factor verification, Approve TAPP events directly, Access verified assets, Manage TAPP passes and gift cards, Load verified assets to TAPP accounts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Costco free?

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

### Is Qatom Authenticator free?

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

### Which has better reviews, Costco or Qatom Authenticator?

Qatom Authenticator is rated higher. Costco averages 4.9 out of 5 from 1.3M ratings, while Qatom Authenticator averages 5.0 from 2 ratings.

### Do Costco or Qatom Authenticator have ads?

Costco shows ads; Qatom Authenticator does not.

### Which is updated more often, Costco or Qatom Authenticator?

Costco ships an update every 5 days, and Qatom Authenticator monthly. Most recently, Costco was updated on October 28, 2026 and Qatom Authenticator on October 14, 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.*