Comparison

Chat with o1 vs Selin AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Chat with o1

An AI chatbot powered by OpenAI's o1 series models. It offers advanced reasoning and problem-solving capabilities, particularly in scientific and technical fields. Download this intelligent assistant for free to experience its precise and thoughtful responses.

Highlights
  • Powered by OpenAI's o1 models
  • Advanced reasoning capabilities
  • Excels in scientific/technical challenges
  • Intelligent assistant
  • PhD-level precision
Features
Read full description

Meet Chat with o1, an easy-to-use AI chatbot that unlocks the power of the OpenAI o1 model family. Trained with reinforcement learning, these language models break through traditional limits with advanced reasoning. Experience an intelligent assistant that thinks before answering, excelling in scientific and technical challenges with PhD-level precision. Download today for free! Sozzled Inc. is independent of OpenAI. This is not an official OpenAI product. Privacy Policy: https://sozzled.app/privacy.html Terms of Service: https://sozzled.app/terms.html

About

Selin AI

Read full description

Selin is an AI assistant built for people who expect more — real conversation, real memory, and real capability across everything you do. CHAT YOUR WAY Talk to Claude, DeepSeek, or Gemini depending on what you need, with voice mode for hands-free conversation and Deep Think for problems that need real reasoning. Selin remembers what matters across every session, and Projects keep related conversations grouped with shared context. A DOMAIN EXPERT FOR EVERYTHING Selin Finance for live prices and portfolios. Selin Law for case research and statutes. Selin Med for drug lookups and clinical data. Selin Tech for code and security tools. Selin Engineering, Selin Chemistry, Selin Writers, and more — real, useful tools, not just a chatbot that pretends to know. VINYL & MARQUEE Stream movies and TV, including a real public-domain catalog you can actually watch, plus mainstream discovery and personalized recommendations. Connect Spotify or use Vinyl Stations for live radio and podcasts — no account needed. LUMEN A real privacy browser built in, blocking ads and trackers across tens of thousands of domains, with Selin able to answer questions about whatever page you're reading. CONNECT A social layer built around people, not algorithms: a real feed, stories, groups, live audio rooms, and a creator economy — ad-free, always. BUILT BY A SECURITY COMPANY Selin is built by Quantum Protection Security Services LLC. Security and privacy aren't an afterthought — they're the foundation. Download Selin and see what an AI assistant should actually feel like. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Chat with o14 screens
Selin AI4 screens

Verdict

The call

The clearest difference is device support: Selin AI at 3 against Chat with o1's 1. Selin AI also leads on iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Chat with o1 sells 4 in-app purchases, starting at $19.99 per 7 days and Selin AI sells 10 in-app purchases, starting at $7.00 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 6 level
Chat with o1 versus Selin AI: the parameters behind the verdict, then further details
ParameterChat with o1Selin AI
PriceFreeFree
Rating4.5 (8 ratings) — better—
Number of ratings8 — better—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size2 MB155 MB
Age rating12+17+
DeveloperSozzled LLCQuantum Protection Security Services LLC

In-app purchases

4 purchases

Chat with o1

Subscriptions1
  • Unlimited Weekly$19.997 Days
One-time3
  • 10,000 Tokens$2.99
  • 50,000 Tokens$9.99
  • 150,000 Tokens$19.99
10 purchases

Selin AI

Subscriptions6
  • Vinyl+ Monthly$7.001 Month
  • Marquee+ Monthly$7.001 Month
  • Media Bundle$12.001 Month
Show 3 more
  • Vinyl+ Annual$70.001 Year
  • Marquee+ Annual$70.001 Year
  • Media Bundle$119.991 Year
One-time4
  • 1000 Coins$9.99
  • 2000 Coins$19.99
  • 5000 Coins$49.99
Show 1 more
  • 10000 Coins$99.99

Questions

Is Chat with o1 free?
Chat with o1 is free to download, with in-app purchases available.
Is Selin AI free?
Selin AI is free to download, with in-app purchases available.
Do Chat with o1 or Selin AI have ads?
Neither Chat with o1 nor Selin AI shows ads.

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