# Checkout 51 vs Qatom Authenticator

The clearest difference is rating: Qatom Authenticator at 5.0 against Checkout 51's 4.0. Qatom Authenticator also leads on monetization model (free vs free with in-app purchases). Checkout 51's advantage is ratings volume (6.5K vs 2) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Qatom Authenticator holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Checkout 51 has 6.5K ratings behind it against 2, so its average is the more settled of the two.

Checkout 51 ships an update every 6 weeks, Qatom Authenticator monthly. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Checkout 51 | Qatom Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (6.5K ratings)](https://appshunter.io/ios/app/checkout-51-cash-back-savings/id577333970/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/qatom-authenticator/id6670186053/reviews)** |
| Number of ratings | **6.5K** | 2 |
| Positive reviews | 40.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 106 MB | 29 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Checkout 51 Mobile Apps ULC](https://appshunter.io/developer/577333973) | [TODAQ Financial Inc](https://appshunter.io/developer/1383372034) |

## What reviewers say

### Checkout 51

[App page](https://appshunter.io/ios/app/checkout-51-cash-back-savings/id577333970)

This app offers cash back on groceries, gas, and prescriptions by simply uploading photos of your receipts. Discover new deals weekly on everyday items and popular brands, and earn rewards at participating gas stations. It's an easy way to save money on your regular purchases.

**Highlights:** Cash back on groceries, Gas rewards and savings, Prescription savings card, Earn from online offers, Upload receipt for rewards, Weekly new deals

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

**In-app purchases:** none

**What reviewers like**

- 💰 Easy way to save money on groceries
- 📤 Fast processing of receipts
- 💳 Convenient for saving money
- 🤑 Great way to earn cash back
- 💸 Helpful for saving money

**What reviewers complain about**

- 🤔 Limited product selection
- ⏱️ Takes a long time to earn enough for payout
- 🤖 Strict policies and double-dipping prevention
- 🙅‍♀️ Terrible customer service
- 💸 Difficult to redeem offers

**Reported bugs**

- Receipts not properly processed
- Offers disappearing too quickly
- App crashes and freezes
- Login and account issues

**Requested features**

- More variety of everyday grocery items
- Faster payout options (e.g. PayPal)
- Clearer communication on offer limits and policies
- Improved user interface and navigation
- Ability to scan barcodes for verification


### 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 Checkout 51 free?

Checkout 51 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, Checkout 51 or Qatom Authenticator?

Qatom Authenticator is rated higher. Checkout 51 averages 4.0 out of 5 from 6.5K ratings, while Qatom Authenticator averages 5.0 from 2 ratings.

### Do Checkout 51 or Qatom Authenticator have ads?

Neither Checkout 51 nor Qatom Authenticator shows ads.

### Which is updated more often, Checkout 51 or Qatom Authenticator?

Checkout 51 ships an update every 6 weeks, and Qatom Authenticator monthly. Most recently, Checkout 51 was updated on November 6, 2026 and Qatom Authenticator 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.*