1.2.3 Contacts Backup Lite icon
A FB2 Reader icon
Avalon Reader for FB2 books icon
+5

Yuri Staloverov

For cryptocurrency investors tracking specific wallet addresses and mobile users requiring contact data portability.

8apps2.8(2M) Multi-theme

Snapshot

Who is Yuri Staloverov?

Providing specialized mobile utilities for contact data management and real-time blockchain address monitoring.

Target audience

Cryptocurrency investors tracking specific wallet addressesMobile users requiring contact data portability

Portfolio

Free 3
8
apps
Finance5
Book2
Productivity1

Last updated

1.2.3 Contacts Backup Lite

vVARY

7mo ago

Active

Publisher DNA

What defines Yuri Staloverov?

Publisher DNA

Primary focus

Blockchain utilities and productivity tools

Scale

indie

Target audience

Cryptocurrency investors tracking specific wallet addresses and mobile users requiring contact data portability.

Signature Patterns

  • •Focus on read-only data visualization and monitoring rather than transactional functionality.
  • •Consistent integration of multi-currency fiat conversion (33 currencies) across finance titles.
  • •Portfolio composition split between legacy productivity utilities and modern blockchain explorers.
  • •Monetization strategy primarily utilizing free and freemium models.
Active

Portfolio momentum

The publisher has maintained 5 active apps with 5 releases in the last 6 months, indicating a consistent update cadence for the core utility suite.

Last release 8d agoActive apps 5Abandoned 3

Portfolio

What does Yuri Staloverov ship?

Apps

8 apps analysed

1.2.3 Contacts Backup Lite icon
1.2.3 Contacts Backup Lite

Back up your contacts & access them anywhere

4.3(1.9M)

Local-first backup architecture provides data sovereignty

  • Contact synchronization across multiple devices provides a reliable way to track family member activity
  • Broken search functionality prevents users from locating saved contacts within the main list

Single-market publisher, every app ships only to United States.

Based on 2 of 8 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States2 / 2

Core markets (2/2 apps)

United States

User Sentiment

How do users feel about their apps?

0

Positive apps

1

Neutral / mixed

0

Negative apps

65/100

Avg sentiment score

Rivals

Who does Yuri Staloverov compete with?

The rivals identified

Nemeses(3)

This app operates in the exact same niche of contact management and backup with a massive, comparable user base scale.

ReadingApp

known foreBoox: ePub PDF e-book Reader

1 app4.7Book

eBoox competes by offering a free, multi-format reader that includes FB2 support, directly challenging the paid, single-format focus of Avalon Reader.

Red Hot Bits

known forBitcoin - Live Badge Price

1 app4.3Finance

Both apps target cryptocurrency investors seeking market data, but the rival focuses on passive background tracking while Mobile HitBTC requires active manual login to an exchange account.

Contenders(12)

Business Contacts Solutions

known forCleanup Duplicate Contacts!

1 app4.4Productivity

Directly addresses the 'merge' pain point mentioned in the target's description with a specialized focus.

CPE Verm

known forBookShelves eBook Reader

1 app4.3Book

Both applications compete for the same iOS user base seeking digital library management and reading tools, creating direct overlap in device storage and user attention.

FBReader.ORG

known forFBReader: ePub and fb2 reader

1 app3.5Book

Both applications target mobile users requiring FB2 file management and reading capabilities, creating direct competition for the same file-format audience.

iPublishCentral

known foriPublishCentral Reader

1 app3.7Book

Both applications target mobile ebook readers, but they compete by offering distinct file format support and import methods for digital book management.

Konstantin Bukreev

known forKyBook 2 Ebook Reader

2 apps4.7Book

KyBook 3 provides a broad-spectrum reader for users managing diverse file formats and cloud-based libraries.

Koustav Dasgupta

known forSutra — eBook Reader

1 app4.8Book

Sutra competes by offering broader format support and server-side library integration, which overlaps with the target audience of users managing personal ebook collections.

Prashant Gahlot

known forUTXO

1 app0.0Finance

Both apps function as read-only portfolio monitoring tools for cryptocurrency users, targeting individuals who need to track balances and market activity without executing trades.

Ravi Kotadiya

known forMCBackup : My Contacts Backup

1 app4.7Productivity

Strong niche competitor with high user satisfaction and a focused feature set for contact portability.

READERA EOOD

known forReadEra – book reader pdf epub

1 app4.8Book

Both applications target readers seeking dedicated document management, but ReadEra competes by offering a free, multi-format library that challenges the paid, FB2-specific utility of Avalon Reader.

Readest

known forReadest: EPUB & PDF Reader

1 app4.7Book

Readest competes by offering broad format support including FB2 and free access, directly challenging the specialized, paid model of Avalon Reader for FB2 books.

Readium

known forThorium Reader

1 app4.3Book

Both applications target the iOS ebook reader market, but Thorium Reader captures a broader user base by supporting EPUB, PDF, and CBZ formats for free, while Avalon Reader remains a paid utility restricted to FB2 files.

婷婷 乔

known forEpub Reader -read epub,chm,txt

1 app4.5Book

Both applications target iOS users seeking document viewers, with the rival offering broader format compatibility including EPUB and PDF compared to the specialized FB2 focus of Avalon Reader.

Same space(34)

AMAMINE APPS

known forCrypto Portfolios Tracker

1 app5.0Finance

Bitcoin - Cryptocurrency tracks 5,000+ assets, providing a wider asset scope for investors managing diverse portfolios.

AMZN Mobile

known forAmazon Kindle: Reading App

1 app4.9Book

Amazon Kindle serves as a primary distribution channel for digital bookstore purchases and Kindle Unlimited subscription content.

Arnau Egea

known forBitcoin Price , Rate & Chart.

1 app0.0Finance

Bitcoin Price, Rate & Chart includes a keyboard converter for quick currency calculations during price monitoring.

Beat Raess

known forYomu EBook Reader

1 app4.8Book

Yomu appeals to users seeking a distraction-free, independent reading environment without unnecessary account requirements.

BG

known forBitget- Trade bitcoin & crypto

1 app4.6Finance

Bitget functions as a full-service exchange, allowing direct trading and copy trading, unlike the read-only Mobile HitBTC.

BITSCREENER PTE

known forCrypto Tracker by BitScreener

1 app4.7Finance

BitScreener provides broader market coverage by streaming prices from 200+ exchanges, contrasting with the single-exchange focus of Mobile HitBTC.

CHN Group

known forCrypto Portfolio: NOW Tracker

1 app4.1Finance

NOW Tracker automates portfolio updates by connecting directly to wallet addresses and exchange accounts via WalletConnect.

Coinglass Technology Co.

known forCoinGlass - Bitcoin & Crypto

1 app4.9Finance

CoinGlass offers specialized futures market data like liquidations and funding rates that are absent from the source app.

Creative Infoway

known forCrypto Currency -Bitcoin Price

1 app3.8Finance

Crypto Currency - Bitcoin Price offers specialized hardware integration including Apple Watch support and a Today widget.

Danila Gusev

known forLazy FB2 Reader

1 app3.3Book

Lazy FB2 Reader targets users with a niche, lightweight reader for FB2 and ePub files that avoids advertisements.

Dao Ngoc Hoang

known forForex Alerts & Crypto Alerts

1 app4.7Finance

Forex Alerts & Crypto Alerts provides technical analysis tools like RSI and MACD indicators for advanced traders.

David Pertiller

known forBitcoin Monitor, Price Compare

2 apps4.5Finance

Bitcoin Monitor calculates arbitrage opportunities between exchanges, providing actionable profit data for high-frequency traders.

DEXTools.io

known forDEXTools

1 appFinance

DEXTools targets the DeFi sector by tracking whale movements and new pair listings on decentralized exchanges.

DWorkS

known forACrypto Bitcoin Price Tracker

1 app4.4Finance

Acrypto provides interactive price charts for 1500+ coins, allowing users to analyze trends over multiple timeframes.

EBOOKS.COM PTY

known forEbook Reader

1 app4.0Book

Ebook Reader connects users to the eBooks.com catalog for purchasing and managing digital book collections.

Full Function Service

known forePub Reader - eBook Viewer

1 app3.0Book

ePub Reader offers a versatile document viewer for users needing to handle various archives and file types.

FullContact

known forContacts+ | Address Book

1 app4.3Productivity

A sophisticated address book replacement that offers more utility than a simple backup tool.

GBM Foundation Company

known forBitMart: Buy Crypto & Stocks

1 app2.9Finance

BitMart incorporates AI-powered signals and prediction products, targeting users who want automated market analysis tools.

Hanva

known forCrypto Alert - Price Forecast

1 app3.4Finance

Crypto Alert utilizes neural network models to provide automated price forecasts for investors.

Heitz Bruno

known forBitwisdom: Coin Ticker & Chart

1 app4.6Finance

Bitwisdom supports 40+ exchanges, allowing users to track prices across a wider range of platforms than the source app.

HODL Media

known forHODL Real-Time Crypto Tracker

2 apps4.8Finance

HODL aggregates social sentiment from Twitter and Stocktwits to provide context for real-time price data.

INFINITYORIGIN PTE

known forPDF Reader & Editor - Ora Docs

1 app5.0Book

Ora Docs serves as a centralized hub for reading and basic editing of diverse technical and office documents.

Jatisari Inovasi Studio

known forApple Books

1 app4.4Book

Apple Books provides a frictionless, subscription-free hub for digital reading integrated across the Apple hardware ecosystem.

Josip Bernat

known forCrypto Price: Prices & alerts

1 app3.6Finance

Crypto Price simplifies monitoring by aggregating news and prices from CryptoCompare for 1600+ assets.

Kimico

known forBookBuddy: Book Tracker

1 app4.8Book

BookBuddy targets personal collectors and teachers with library management tools that complement standard reading apps.

LTD DevelSoftware

known forMOBI Reader - Reader for mobi, azw, azw3, prc

2 apps4.3Book

MOBI Reader is specialized for legacy e-book formats, serving users with specific document archival needs.

Majid Sharifi

known forRah Book Reader

1 app4.7Book

Rah Book Reader offers a simple, free alternative for users focused on PDF documents and audiobooks.

Manmeet Tuteja

known forCrypto Price Alerts & Widgets

1 app3.8Finance

Crypto Price Alerts & Widgets embeds market data into the home screen through live widgets, increasing user engagement.

MEXC Fintech

known forCrypto Bubbles

1 app4.7Finance

Crypto Bubbles uses visual bubble charts to represent market cap and performance, simplifying complex data for quick scanning.

Pocketbook International SA

known forPocketBook Reader

2 apps4.2Book

PocketBook Reader acts as a retention tool for the parent company's E Ink hardware through cloud library synchronization.

ROCKETM

known forCrypto News: Prices, Alerts

1 app4.6Finance

Crypto News focuses on content aggregation from 300+ sources, catering to users who prioritize market information over portfolio management.

SquidBit d.o.o.

known forBookshelf-Your virtual library

1 app4.8Book

Bookshelf focuses on library organization and social tracking rather than just the reading experience itself.

Sync.ME

known forSync.me - Caller ID & Contacts

1 app4.4Productivity

Operates in the broader contact management ecosystem with advanced social integration features.

Trustswap

known forThe Crypto App: News & Alerts

1 app4.7Finance

The Crypto App serves general investors by integrating news and currency converters alongside standard price tracking.

New entrants(2)

DEEP FLOW SOFTWARE SERVICES

known forCleanup: Phone Storage Cleaner

1 app4.7Productivity

Rapidly growing utility that captures the 'cleanup' intent of the target app's user base.

Oleksii Koshkin

known forJustReader: EPUB & FB2 Reader

1 app0.0Book

JustReader prioritizes privacy and a local-first approach for users who want to avoid accounts and tracking.

The Analyst's Read

The bottom line on Yuri Staloverov

Bottom line

Staloverov is a disciplined indie developer leveraging a high-volume legacy productivity app to sustain a specialized niche in blockchain monitoring. The portfolio provides lightweight, network-specific alternatives to complex wallet interfaces, prioritizing data portability and visibility.

Frequently asked questions

How many apps does Yuri Staloverov publish?
Yuri Staloverov has 8 apps tracked by Marlvel, primarily in the Finance category.
What kind of apps does Yuri Staloverov make?
Yuri Staloverov's portfolio is concentrated in Finance and Book, with an average rating of 2.8/5 across rated apps.
What is Yuri Staloverov's top app?
By review volume across the portfolio, 1.2.3 Contacts Backup Lite is Yuri Staloverov's best-known app tracked by Marlvel.
In how many countries are Yuri Staloverov's apps available?
Marlvel has tracked Yuri Staloverov's apps across 1 country.

What fed this analysis

Apps analyzed:
8
With full intel:
0
With overview:
8
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Yuri Staloverov, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Yuri Staloverov intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/yuri-staloverov

See methodologyContact support

Data licensed under CC-BY-NC 4.0