im•api (customer) vs Lucent ‑ OTP Login & Notify
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for im•api (customer), Nov 9, 2026 for Lucent.
The short answer
- Paid plans start at $149/month for im•api (customer) and $4.99/month for Lucent.
- Lucent lists 5 features im•api (customer)’s listing doesn’t mention, including Email verification, Multi-factor auth, Multi-language.
Head to head
OTP based Login via Phone / Email / WA | Minimise COD returns
- India
- United States
- Saudi Arabia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · $30 per additional 100 orders
- · Customer card synchronization
- · Customer data updates between systems
- · ERP / CRM integration
- · OTP SMS authentication
- · Up to 500 order
Basic
- · $25 per additional 100 orders
- · Customer card synchronization
- · ERP / CRM integration
- · OTP authentication
- · Points and rewards synchronization
- · Up to 1,000 order
Pro
- · $20 per additional 100 orders
- · Customer card synchronization
- · ERP / CRM integration
- · OTP authentication
- · Points and rewards synchronization
- · Up to 2,500 order
Pro plus
- · $15 per additional 100 orders
- · Customer card synchronization
- · ERP / CRM integration
- · OTP authentication
- · Points and rewards synchronization
- · Up to 5,000 order
Free
- · Free OTP Widget Installation
- · In app widget customization
- · Lucent Branding
Basic
- · B2B Onboarding - Additional $10/month
- · Customization: Adjust to your brand
- · Global OTP delivery
- · OTP Delivery: Seamless and reliable
Premium
- · 1-Channel Add-on Integration — $599
- · 2-Channels Add-on Integration — $999
- · B2B Onboarding - Additional $10/month
- · Enhanced Widget Customization
- · Includes Basic Features
- · Notification feature
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThis app streamlines customer access by replacing traditional passwords with secure SMS One-Time Passwords (OTP). This eliminates forgotten passwords and ensures a smoother login experience for your users. Beyond authentication, the app allows you to customize registration forms to capture specific business data. You can easily add fields like National ID, Birth Date, and Gender.
Our app streamlines customer logins with OTP authentication via Mobile, WhatsApp, or Email. Now with added WhatsApp and SMS notifications, you can send real-time alerts for abandoned carts, order status, and customer engagement. No more password hassles—just fast and secure logins, ensuring customer satisfaction. Our app is designed for easy use and reliable performance to enhance store operations.
- Allow customers to log in instantly using secure SMS One-Time Passwords (OTP).
- Collect specific data like National ID, Birth Date, and Gender during signup.
- Automatically save all custom registration data to standard Shopify metafields.
- View real-time logs of sent SMS messages and delivery status
- Quick and responsive OTP process.Email marketing opt-in checkbox.
- OTP widget customization from the OTP theme editor.
- Verify deliverability through OTP transactional logs
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  im•api (customer) |  Lucent |
|---|---|---|
| Detected stores | Not published | 456 |
| Net store change, 28 days | 0 | −3 |
| Stores added, 28 days | Not enough data | 9 |
| Big-brand share | Not enough data | 17% |
| Top store categories | Not published | Apparel & Accessories, Health & Beauty, Food, Beverages & Tobacco |
| Top store countries | Not published | India, United States, Saudi Arabia |
Reviews
| Measure | im•api (customer) | Lucent |
|---|---|---|
| App Store rating | Not published | 4.8 ★ |
| App Store reviews | Not published | 82 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | im•api (customer) | Lucent |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $149/month | $4.99/month(ahead) |
| Longest free trial | Not listed | 7 days |
| Plans listed | 4 | 3 |
Listing
| Measure | im•api (customer) | Lucent |
|---|---|---|
| Shopify category rank | #119 | #11(ahead) |
| Shopify App Charts | Not on this week’s charts | #8 in Accounts and login |
| Built for Shopify | No | Yes |
| Launched | Feb 9, 2026 | Nov 23, 2021 |
| Languages | 1 | 1 |
| Developer | im•api | Lucent Innovation |
FAQ
im•api (customer) and Lucent: common questions
- Is im•api (customer) or Lucent cheaper?
- Paid plans start at $149/month for im•api (customer) and $4.99/month for Lucent. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- im•api (customer) lists 1 the others don’t mention, such as Registration forms. Lucent lists 5 the others don’t mention, such as Email verification, Multi-factor auth, Multi-language, Profiles. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 13, 2026 for im•api (customer), Nov 9, 2026 for Lucent; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 13, 2026 for im•api (customer), Nov 9, 2026 for Lucent. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.