ChatThread vs Second Eye
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ChatThread
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ChatThread is a workflow-first AI chat. Choose a workflow to guide the conversation, then ask naturally for more consistent resultsβwriting, summaries, translation, and more. Explore the Workflow Store to install community-made flows in a tap. Build and manage workflows on desktop, then run them instantly on mobile. Upload files (PDFs, docs, images, spreadsheets) to extract key points and get structured outputs. Start in seconds: tap βStart New Conversationβ and pick a flow. Support: chatmagic@163.com
Second Eye
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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? β’ Ask once, get answers from multiple AIs instantly β’ Compare text responses and AI-generated images β’ Vote on the best answer and build your personal leaderboard β’ Daily question mode to make AI part of your routine β’ 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/
Screenshots
Verdict
The clearest difference is update cadence: Second Eye at fortnightly against ChatThread's every 2 months. ChatThread's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. ChatThread sells 6 one-off in-app purchases and Second Eye sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
ChatThread ships an update every 2 months, Second Eye fortnightly. The most recent releases landed on October 1, 2026 and October 13, 2026 respectively.
| Parameter | ChatThread | Second Eye |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Fortnightly β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod, Mac β better | iPhone, iPad |
| Requires iOS | 15.0 β better | 16.4 |
| Further details β not scored | ||
| Size | 41 MB | 51 MB |
| Age rating | 4+ | 9+ |
| Developer | ι― θ΅΅ | PRAGMATIC TECH INNOVATIONS LTD |
In-app purchases
ChatThread
- 100 Gold$3.99
- 500 Gold$17.99
- 1000 Gold$29.99
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- 2000 Gold$59.99
- 5000 Gold$129.99
- 8000 Gold$199.99
Second Eye
- Pro Monthly$3.991 Month
- Expand Pack$1.99









