Comparison

Second Eye vs Arcus

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

Head to head
About

Second Eye

Features
Read full description

Stop guessing which AI is best - just see for yourself. 2nd Eye runs your question across multiple AI models at the same time and shows you the answers side by side. Compare Claude, Gemini, DeepSeek, and more leading AI models in seconds. WHY 2ND EYE? โ€ข Ask once, get answers from multiple AIs instantly โ€ข Compare text responses and AI-generated images โ€ข Vote on the best answer and build your personal leaderboard โ€ข Daily question mode to make AI part of your routine โ€ข See response time and cost per model (Pro) FREE PLAN 29 credits/month with 3 top AI models - no credit card needed. PRO PLAN 300 credits/month, choose your own models, unlock runtime and cost display. Expand your credits anytime with the Expand Pack. Whether you're a professional, student, or just curious - 2nd Eye helps you get the best answer, not just an answer. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Arcus

Features
Read full description

Arcus is the AI chatbot and assistant that puts GPT, Claude, Gemini, Grok and many more frontier AI models in a single conversation. Switch models mid-chat without losing your thread, or let Auto mode pick the best one for each question. No more juggling subscriptions. ALL THE TOP AI MODELS - GPT-6 Astra, Sol and Luna from OpenAI - Claude Fable 5.1, Opus 5.5, Sonnet 5 and Haiku from Anthropic - Gemini from Google - Grok from xAI - Auto mode routes every question to the best model for the job AI THAT DOES REAL WORK - Live web research with citations you can check - Ask questions about your documents: PDF, Word, Excel, PowerPoint, CSV and code files - Summarize contracts, reports and spreadsheets with the key numbers pulled out - Interactive charts for stocks, budgets and comparisons - Write documents and export them to PDF in one tap - Architecture and flow diagrams - Execute code in a sandbox - Send a photo and ask anything - Memory for your preferences and projects across conversations DESIGNED FOR PERFECTION Fast, clean and quiet. No clutter, no dark patterns, no ads. PRIVATE BY DEFAULT Your conversations are never used to train models. Encrypted in transit. Delete any chat, file, memory or your whole account whenever you want. Sign in with Apple and start in seconds. ARCUS UNLIMITED (auto-renewable subscription) - Monthly and Annual plans unlock unlimited usage and all frontier models. - Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the end of the period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://heyarcus.com/terms Privacy Policy: https://heyarcus.com/privacy

Screenshots

Second Eye4 screens
Arcus4 screens

Verdict

The call

The clearest difference is update cadence: Arcus at every 2 days against Second Eye's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Second Eye sells 2 in-app purchases, starting at $3.99 per month and Arcus sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Second Eye ships an update fortnightly, Arcus every 2 days. Both last shipped on October 13, 2026.

Scorecard1 real difference ยท 5 level
Second Eye versus Arcus: the parameters behind the verdict, then further details
ParameterSecond EyeArcus
PriceFreeFree
Update frequencyFortnightlyEvery 2 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS16.415.0 โ€” better
Further details โ€” not scored
Size51 MB76 MB
Age rating9+12+
DeveloperPRAGMATIC TECH INNOVATIONS LTDRishab Aggarwal

In-app purchases

2 purchases

Second Eye

Subscriptions1
  • Pro Monthly$3.991 Month
One-time1
  • Expand Pack$1.99
3 purchases

Arcus

Subscriptions3
  • Arcus Unlimited Monthly$12.991 Month
  • Arcus Unlimited Annual7 Days trial$79.991 Year
  • Arcus Unlimited Annual$79.991 Year

Questions

Is Second Eye free?
Second Eye is free to download, with in-app purchases available.
Is Arcus free?
Arcus is free to download, with in-app purchases available.
Do Second Eye or Arcus have ads?
Neither Second Eye nor Arcus shows ads.
Which is updated more often, Second Eye or Arcus?
Second Eye ships an update fortnightly, and Arcus every 2 days. Most recently, Second Eye was updated on October 13, 2026 and Arcus on October 13, 2026.

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