Top 96 One-time password (OTP) Shopify Apps in September 2026

Consistently praised for being responsive, helpful, and resolving issues quickly.

The app is noted for its intuitive design and ease of use.

Streamlines cash-on-delivery orders, improving checkout speed and conversion rates.

Offers flexible customization for forms and checkout experiences.

Functions smoothly with minimal technical issues reported.

Easy to install and configure, even for users with limited technical knowledge.

Many users reported increased sales and improved conversion rates after using the app.

Support team is available around the clock to assist users.

Accommodates users in various regions with language options.

Enhances average order value with integrated upsell and downsell options.

Some users experienced errors with Facebook Pixel integration, affecting ad campaigns.

The free tier restricts order volume, which caused missed orders for some users.

A few users reported unexpected charges despite not actively using the app.

Consistently praised for being responsive, helpful, and proactive in resolving issues and providing guidance.

Frequently highlighted for its intuitive interface and straightforward setup process.

Users report noticeable improvements in sales, abandoned cart recovery, and customer engagement.

Seamlessly works with Shopify and other apps, enhancing functionality.

Many users appreciated the hands-on assistance during setup and personalized onboarding.

Users frequently mention the app pays for itself through increased revenue and subscriber growth.

Offers a wide range of tools for campaigns, automations, and customer communication.

Stable and bug-free experience across devices and use cases.

Flexible pricing and tailored solutions for businesses of different sizes.

Users credit the app for driving growth, improving marketing strategies, and enhancing customer reach.

Some users noted the app is less effective without a substantial customer base or high engagement.

A few users felt the app’s extensive features could be overwhelming without guidance.

Multiple users highlight prompt, helpful, and personalized assistance from support agents like Clarisse, Lori, Rafael, and Dean.

The app syncs well with Shopify and Mailchimp, with users noting smooth setup and automatic customer data transfer.

Many reviews mention the app’s intuitive installation process and clear instructions.

Several users report the app functions as expected, with no major technical issues post-integration.

Support teams are praised for resolving problems efficiently, often with follow-up communication.

Specific agents (e.g., Troy, David, Karol) are repeatedly commended for their expertise and patience.

Some users appreciate the free plan option, especially during transitions from other platforms.

Users report unexpected charges, inflated fees, and unclear billing tiers, with some feeling misled by pricing structures.

Instances of faulty automation (e.g., unsolicited emails, incorrect syncs) and integration errors disrupt user workflows.

Free-tier users face delays or lack of responses, with chat support often requiring paid plans.

Unsubscribed or spam contacts are inadvertently synced, leading to compliance and financial risks.

Users describe cumbersome processes to disconnect integrations or close accounts, with misleading warnings.

Consistently praised for fast, friendly, and highly responsive assistance, often available 24/7.

Offers extensive tailoring options for forms and features to align with brand needs.

Noted for smooth, stable operation even during high traffic.

Frequently mentioned for significantly improving sales and order volumes.

Highlighted for intuitive design and ease of setup.

Includes upsells, downsells, SMS confirmations, and real-time analytics.

Technical support resolves problems promptly, often within minutes.

Many users appreciate the robust functionality available even without payment.

Orders processed via the app cannot be edited in Shopify’s dashboard, and conversion tracking is affected.

Some users reported initial setup difficulties or technical glitches.

A few reviewers found the pricing high compared to free alternatives.

Consistently praised for prompt, professional, and personalized assistance, often going above and beyond to resolve issues.

Easy setup and smooth integration with Shopify, enhancing the user experience with minimal effort.

Features like OTP verification and auto-cancellation significantly reduce fake or fraudulent COD orders.

Intuitive design and straightforward navigation make the app accessible and efficient.

Fast, stable, and hassle-free operation for managing COD orders.

Flexibility to tailor features like manual order confirmation and region-specific COD settings.

Automation and SMS/WhatsApp confirmations improve order success rates and customer trust.

Offers a pay-as-you-go option, making it accessible for small businesses.

Boosts sales, reduces RTO, and streamlines COD processes.

Some users noted that customers can bypass phone verification after initial OTP, undermining fraud prevention.

Claims of round-the-clock assistance were disputed by a few users.

Lack of full-feature trials on paid plans was criticized, limiting testing capabilities.

Quick, friendly, and professional assistance from the support team.

Smooth and easy installation with Shopify, enhancing user experience.

The app works flawlessly for OTP login and store processes.

Users consistently describe the app as delightful and easy to use.

Consistently praised for rapid response times, 24/7 availability, and effective issue resolution.

Users highlight the straightforward installation process and intuitive setup.

The app functions as expected, with no reported major technical issues.

Solves COD fee management seamlessly, with features like conditional fees and automation.

Support assists with tailored solutions, including theme adjustments and template edits.

Users appreciate the availability of a free version with useful features.

Works well across multiple stores, with easy replication of settings.

Documentation and guidance are easy to follow, reducing setup time.

Reduces COD-related losses and encourages prepaid orders.

Support team members are repeatedly mentioned by name for their expertise and patience.

Some users desire support for custom payment methods beyond COD.

Quick and helpful resolution of issues, with multiple mentions of responsiveness and professionalism.

Offers a comprehensive set of features without cost, standing out among paid or limited alternatives.

The app is noted for its attractive design and ease of use, enhancing the customer account experience.