Indigo vs Qatom Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Indigo
Explore a vast selection of books, gifts, and toys. Easily search millions of products, manage wish lists, and track your plum® rewards. Find nearby stores and check in-store availability.
- Shop books, gifts, and music
- Search over 7 million products
- Barcode scanner for item details
- Create and share wish lists
- Access plum® rewards and points
- Track orders and view history
- Find nearby stores and check availability
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Discover inspiring products and experiences with the all-new Indigo App. SHOP * Shop our entire assortment of books, gifts and music anytime, anywhere. * Ship your order to an address or to any of our stores. SEARCH * Search over 7 million products to find exactly what you’re looking for. * Discover something new from our broad assortment of items and wide range of categories. * Use the barcode scanner to view item details and easily add to your Cart or Wish List. WISH LISTS * Create, manage, and share your Wish Lists to keep track of gift ideas for friends, family. YOUR ACCOUNT * Access your plum® rewards to view your points balance. * View your order history and track your orders. * Manage your account, update your shipping address or billing information, and more. PROMOTIONS & INDIGO EVENTS * Never miss a thing. Receive notifications on our latest offers, promotions and events. STORES * Find stores nearby, wherever you are. * View in-store availability, store shelf location, and store price of any item. * Use your digital plum® card to earn and/or redeem plum® points on in-store purchases. IMPORTANT DISCLOSURES AND CONSENT By selecting INSTALL, you consent to the installation of this app and any updates or upgrades that are released through the platform. You understand and agree that this app (incl. any updates or upgrades) may (i) cause your device to automatically communicate with Indigo’s servers to deliver the functionality described above and to record usage data and metrics, (ii) affect app-related preferences or data stored on your device, and (iii) collect personal information to provide the features described above and as set out in our privacy policy. You can withdraw your consent at any time by removing or disabling this app.
Qatom Authenticator
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.
- Two-factor verification
- Approve TAPP events directly
- Access verified assets
- Manage TAPP passes and gift cards
- Load verified assets to TAPP accounts
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The Authenticator app adds a layer of security and improved conveinience to your online TAPP activity. When you encounter a TAPP event online while using your mobile device, you will be automatically directed to your TAPP Authenticator. Just click approve to validate your intent and return back to your online TAPP event. You will find your verified assets linked and accessible in the TAPP experience. The two factor verification ensures that your assets and online activity remains safe and secure, Set up your TAPP accounts by entering your TAPP account email(s) and entering the one-time verification code you will receive in your email inbox. View your TAPP passes, gift cards, and assets Load verified assets to your TAPP account(s).
Screenshots
Verdict
The clearest difference is rating: Qatom Authenticator at 5.0 against Indigo's 4.4. Indigo's advantage is ratings volume (107 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 4.4. That said, the two scores are not equally well evidenced: Indigo has 107 ratings behind it against 2, so its average is the more settled of the two.
Indigo ships an update every 4 weeks, Qatom Authenticator monthly. The most recent releases landed on September 24, 2026 and July 6, 2026 respectively.
| Parameter | Indigo | Qatom Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (107 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 13.5% of reviews | — |
| Number of ratings | 107 — better | 2 |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 194 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Indigo Books & Music Inc. | TODAQ Financial Inc |
Customer experience
Indigo
Qatom Authenticator
Bugs and requests
Indigo
Reported bugs
4 issues- Inability to complete purchases
- Disappearing cart and wishlist items
- Inconsistent performance across devices
- Outdated CAPTCHA system
Requested features
4 requests- Add books to wishlist from any page
- In-app store availability and stock check
- Apple Wallet integration for loyalty card
- Improved navigation and category browsing
Qatom Authenticator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Indigo
No in-app purchases
Qatom Authenticator
No in-app purchases









