Otter Inbox vs Authorize.net 2.0
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Otter Inbox
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OtterText is the #1 text marketing platform businesses rely on. Get leads, increase sales, and provide amazing customer service with SMS. The ultimate messaging platform for local businesses, OtterText helps you keep everything in one easy-to-use inbox, get reviews, and more. Get the edge you need today!
Authorize.net 2.0
Process credit and debit card payments securely on iOS devices. This mobile point-of-sale solution is designed for businesses needing to accept payments on the go, offering features like QuickPay and Catalog. It requires an active Authorize.net Payment Gateway account.
- Secure credit/debit card transactions
- QuickPay feature
- Catalog feature
- Mobile Point of Sale (mPOS)
- Tap to Pay on iPhone support
- EMV chip transaction support
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With the Authorize.net Mobile Point of Sale (mPOS) app, you can securely handle credit and debit card transactions on your IOS devices using QuickPay and Catalog features. It's ideal for various businesses, including home services, healthcare practices, retail, and outdoor markets. Downloading the app is free, but it requires an active Authorize.net Payment Gateway account, and standard fees apply. Over 400,000 merchants use Authorize.net to accept payments online and on the go. Platform Support: - Tap to Pay on iPhone is currently supported on TSYS and First Data Nashville processing platforms. - Tap to Terminal and EMV chip transactions with BBPOS AWC Chipper 3X are supported on First Data Nashville and TSYS processing platforms. (https://partner.posportal.com/authorizenet/auth/authorize-net-bbpos-awc-walker-c3x-bluetooth-card-reader.html) Ready to get started? Visit Authorize.net to sign up or learn more.
Screenshots
Verdict
The clearest difference is update cadence: Otter Inbox at fortnightly against Authorize.net 2.0's every 5 weeks. Otter Inbox also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support 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.
Otter Inbox ships an update fortnightly, Authorize.net 2.0 every 5 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.
| Parameter | Otter Inbox | Authorize.net 2.0 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (144 ratings) — better |
| Positive reviews | — | 13.3% of reviews |
| Number of ratings | — | 144 — better |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 52 MB | 114 MB |
| Age rating | 12+ | 4+ |
| Developer | Otter, LLC | Visa |
In-app purchases
Otter Inbox
No in-app purchases
Authorize.net 2.0
No in-app purchases
