Software Alternatives & Startups

Readwise VS SMSCode.gg

Compare Readwise VS SMSCode.gg and see what are their differences

Readwise

Effortlessly rediscover and organize your Kindle highlights

SMSCode.gg

Buy virtual numbers to receive SMS online for OTP verification. Temporary phone numbers with real SIM, fast activation, 100+ countries. A reliable sms-activate alternative.

Rating
0 reviews
Pricing
Paid $0.01 (https://smscode.gg/pricing)
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Readwise seems to be more popular. It has been mentioned 88 times since March 2021.

social mentions
88 vs 0
Productivity popularity
100% vs 0%
alternatives listed
240+ vs 53

Base details

Website, pricing, platforms and company facts side by side.

Readwise
SMSCode.gg
Website readwise.io smscode.gg
Pricing
Paid $0.01 (https://smscode.gg/pricing) Official pricing
Listed in

Features and specs

What each product offers, as listed by its team.

Readwise 5 features
SMSCode.gg 5 features
  • Centralized System
    Readwise allows users to consolidate highlights and notes from various reading platforms, such as Kindle, Instapaper, and Pocket, into one place.
  • Ease of Use
    The platform is user-friendly, making it easy to import, organize, and review highlights.
  • Spaced Repetition
    Readwise uses spaced repetition algorithms to help users retain and recall information over time by regularly revisiting highlights.
  • Customizable Export Options
    Users can export their highlights and notes to other services like Evernote, Notion, or plain text files, allowing for flexible usage of the stored data.
  • Search Functionality
    Readwise offers robust search capabilities, making it simple to find specific highlights or notes across your library.

Possible disadvantages

  • Subscription Cost
    Readwise operates on a subscription model, which may be considered expensive for some users relative to the features offered.
  • Limited Functionality Without Subscription
    While there is a free trial available, many features are gated behind a subscription, limiting the usability of the free version.
  • Learning Curve
    Despite its overall user-friendliness, some users might find a learning curve when initially setting up and configuring the system to suit their needs.
  • Dependence on Third-Party Integrations
    Readwise’s value is largely dependent on its integrations with third-party services, meaning any changes or issues with those services can impact its effectiveness.
  • Privacy Concerns
    Since Readwise collects and stores data from multiple reading platforms, there may be privacy concerns regarding how this data is handled and stored.
  • Instant Virtual Numbers
    SMSCode.gg provides instant access to virtual phone numbers for receiving SMS verification codes, allowing users to quickly complete account registrations and verifications without using their personal phone numbers.
  • Wide Service Support
    The platform supports a broad range of popular online services and platforms for SMS verification, including social media, messaging apps, and various other websites that require phone verification.
  • Multiple Country Options
    SMSCode.gg offers virtual numbers from multiple countries, giving users flexibility to choose numbers from specific regions depending on the service requirements or their geographic needs.
  • Pay-Per-Use Pricing
    The service typically operates on a pay-per-use model, meaning users only pay for the verifications they actually need rather than committing to expensive monthly subscriptions.
  • Privacy Protection
    By using virtual numbers instead of personal phone numbers, users can protect their real phone number and personal privacy when signing up for online services or verifying accounts.

Possible disadvantages

  • Numbers May Be Recycled
    Virtual numbers on the platform may have been previously used by other customers, which can lead to issues where a number is already associated with an existing account on certain services, causing verification failures.
  • Reliability Concerns
    SMS delivery is not always guaranteed, and some messages may arrive late or not at all, which can be frustrating when trying to complete time-sensitive verifications.
  • Service Blocking
    Many popular platforms actively detect and block virtual and VoIP numbers, meaning numbers from SMSCode.gg may not work with all services, especially those with stricter anti-fraud measures.
  • Limited Transparency
    As a relatively niche service, there may be limited public reviews and transparency about the company's operations, refund policies, and customer support responsiveness, making it harder for new users to assess trustworthiness.
  • Potential Terms of Service Violations
    Using virtual SMS verification numbers may violate the terms of service of many platforms that require real phone numbers, potentially putting user accounts at risk of suspension or banning if detected.

Analysis

An editorial look at what each product does well and who it suits.

Readwise
SMSCode.gg

Overall verdict

  • Overall, Readwise is well-regarded for its utility in helping users actively engage with and digest their reading materials. It provides a streamlined way to revisit and reinforce key concepts, making it a valuable tool for those serious about boosting their information retention.

Why this product is good

  • Readwise is designed to help users retain information from their readings by organizing, highlighting, and revisiting key excerpts. It integrates with various platforms like Kindle, Instapaper, and Pocket to collate highlights in one place. The daily review feature encourages consistent engagement with past highlights, aiding in better recall and comprehension. The platform is beneficial for avid readers, students, and professionals who wish to maximize their learning retention and make the most out of their reading habits.

Recommended for

  • Avid readers looking to remember more from their books
  • Students who need to recall key concepts from academic materials
  • Professionals who want to maintain a repository of valuable insights from articles and reports for reference
  • Anyone interested in personal development and continuous learning through reading

Overall verdict

  • SMSCode.gg appears to be an online SMS verification service that provides temporary or virtual phone numbers for receiving one-time codes, which can be useful for privacy-conscious users, though as with any such service you should verify its current reputation, reliability, and legitimacy before relying on it.

Why this product is good

  • Offers temporary/virtual phone numbers that let you receive SMS verification codes without using your personal number
  • Can help protect your privacy by keeping your real phone number private during sign-ups
  • Useful for creating multiple accounts or verifying services that require phone confirmation
  • Typically more convenient and lower cost than buying additional SIM cards for verification purposes

Recommended for

  • Privacy-conscious users who don't want to share their personal number
  • Developers and testers who need to verify apps and services
  • People who need to register accounts on platforms requiring SMS verification
  • Users seeking a low-cost alternative to a secondary SIM card

Videos

Walkthroughs and reviews on video.

Readwise 2 videos + Add
SMSCode.gg 0 videos + Add

Readwise: How to use Spaced Repetition with your books

More videos

  • - Keep track of Kindle highlights with Readwise [#49] Adam Franklin

No SMSCode.gg videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Readwise
SMSCode.gg
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
SMS
100% 100%

Questions & Answers

As answered by people managing Readwise and SMSCode.gg.

What makes your product unique?

SMSCode.gg's answer:

SMSCode combines the lowest pricing in the market (from $0.0044/activation) with coverage across 200+ countries and a developer-friendly REST API — all wrapped in a clean, minimal UI. No bloat, no subscription, pay only for what you use.

Why should a person choose your product over its competitors?

SMSCode.gg's answer:

SMSCode offers better pricing, wider country coverage, and a cleaner API compared to most alternatives. With 100,000+ active users and instant OTP delivery, it's reliable for both individual use and bulk automation workflows.

How would you describe the primary audience of your product?

SMSCode.gg's answer:

Developers integrating SMS verification via API, individuals protecting their privacy online, businesses and resellers running bulk SMS verification operations, and SMM panel operators.

What's the story behind your product?

SMSCode.gg's answer:

SMSCode was built to solve a simple frustration — existing SMS verification services were slow, overpriced, and had terrible APIs. We built a clean, fast alternative from the ground up with a focus on reliability and developer experience.

Which are the primary technologies used for building your product?

SMSCode.gg's answer:

Rust (Axum), PostgreSQL, Redis, deployed on bare metal infrastructure for maximum performance and reliability.

Who are some of the biggest customers of your product?

SMSCode.gg's answer:

  • Individual privacy-conscious users
  • Developers and automation engineers
  • SMM panel operators
  • Digital marketing agencies

User comments

Share your experience with using Readwise and SMSCode.gg. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Readwise 5.0 · 1 review
SMSCode.gg no reviews yet
  • Great help to review books
    SaaSHub review
    · Nov 2021

    I imported my kindle highlights, as many others. Now I daily review some highlights (thanks to a dashboard, I am motivated). And where I didn't create highlights, as I only listened to the audiobooks, I get the...

We have no reviews of SMSCode.gg yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Readwise 88 mentions
SMSCode.gg 0 mentions
  • Relego, a free, self-hostable alternative to Readwise
    Anyway, as I reached the end of the chapter, I wanted to read my Readwise's daily recap. However, my iPhone was in other room. I didn’t want to get up; I was tired. - Source: dev.to / 5 months ago
  • Exporting Mac OSX Book Highlights into an Obsidian Vault or Markdown Files
    The only highlights that Readwise retrieves semi-automatically are from the books I buy from Kindle, by going into the Readwise app and clicking a button. If I upload them to Kindle or need highlights from the Apple Books app, I have to... - Source: dev.to / almost 2 years ago
  • Show HN: I combined spaced repetition with emails so you can remember anything
    Readwise also has this feature. I get a daily email with a random assortment of highlights that have been pulled in from multiple sources (Reader, Notion, Kindle, etc.) The product benefit in their case is that it's kind of like Zapier,... - Source: Hacker News / almost 2 years ago

View more

Tracking SMSCode.gg since Mar 2026.

Alternatives to Readwise and SMSCode.gg

When comparing Readwise and SMSCode.gg, you can also consider the following products.