Comparison

Lookinglass vs Sentiens

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

Head to head
About

Lookinglass

Access 30 OpenAI models with transparent pricing and robust privacy controls. Enjoy a pay-as-you-go wallet system, local data encryption, and iCloud sync for seamless cross-device use. Customize AI behavior and export conversations in various formats.

Highlights
  • Access 30 OpenAI models
  • Transparent cost estimates per message
  • Pay-as-you-go wallet system
  • Local data encryption
  • Optional iCloud sync
  • Export conversations (text, markdown, JSON)
  • Customizable AI personality and memory
Features
Read full description

Lookinglass: AI Chat with Complete Transparency & Control Take control of your AI experience with Lookinglass—the only chat app that gives you direct access to over 30 OpenAI models with complete cost transparency and privacy protection. Start free with $1 credit on sign-up—try any model risk-free. Guest mode lets you explore without signing in. No credit card required—all purchases via secure in-app payments. Designed for iPhone and iPad. Why Lookinglass Stands Apart: COMPLETE FINANCIAL TRANSPARENCY • See the maximum cost for every message with live token estimates • Pay-as-you-go wallet system—no subscriptions or hidden fees • Flexible top-ups: 9 amounts ($1-$500). Bonus credits: 3% at $100, 5% at $200, 10% at $500 • Export detailed transaction history and track every interaction • Choose between Fast and Reliable (Standard) or Smart Savings (50% savings) billing • Spending alerts: set thresholds to prevent budget surprises • True cost control: Only pay for what you use, when you use it UNMATCHED MODEL ACCESS • Model lineup: Over 30 OpenAI models including cutting-edge gpt-5.5 • Pro models: Access 6 distinct pro level models without an enterprise agreement • Deep Research: variants available for o3 and o4-mini • Web Search: real-time internet access on supported models • Model flexibility: switch mid-conversation with transparent pricing for each • Advanced controls: creativity levels, reasoning depth, response detail, and AI power level TRUE PRIVACY PROTECTION • All conversations stored locally on your device with AES-256 encryption • Military-grade encryption at rest using Apple's CryptoKit framework • We cannot see or access your chat content—ever • Guest mode and Apple Sign-In with complete data isolation • Only metadata and wallet balances stored remotely • GDPR and privacy-compliant with no data collection or tracking SECURE iCLOUD SYNC • Optional iCloud sync keeps your data private and encrypted across devices • All synced data remains in your Apple iCloud account—never shared with third parties • Encryption keys stored securely in iCloud Keychain • Sync includes: conversations, settings, and permanent memory • Works seamlessly across all your iOS devices (iPhone and iPad) SMART ORGANIZATION & CONTROL • Chat threads: organize, archive, rename, pin, and manage multiple conversations • Export conversations to text, markdown, or JSON • Smart Memory: control how much conversation history your AI remembers • AI Personality: customize responses with permanent memory preferences • Voice-to-text for natural conversation flow POWER USER FEATURES • Creativity: from laser-focused precision to creative brainstorming • AI Power: quick summaries or deep analysis • Response Detail: concise answers or detailed explanations • Live streaming responses or complete answers—your choice • Advanced model controls for professional workflows GLOBAL ACCESSIBILITY • 5 languages supported: English, Spanish, French, Portuguese, & Italian • Localized interface for seamless international use Perfect For: Research projects, creative writing, email drafting, coding assistance, learning new topics, brainstorming sessions, or intelligent conversation. Lookinglass works immediately—no setup required. Why Choose Lookinglass? Unlike other AI apps that lock you into subscriptions and limited models, Lookinglass gives you direct access to OpenAI's full model lineup with complete transparency about what you're paying for. Access all 6 pro models without enterprise contracts—just pay for what you use. Your conversations stay 100% private on your devices, while optional iCloud sync keeps everything in your personal Apple account. Complete Control: Your AI. Your data. Your privacy. Your budget. Start chatting in seconds. No subscriptions. No surprises. Complete control. EULA: https://lookinglass.ai/eula Privacy: https://lookinglass.ai/privacy

About

Sentiens

Create and customize your own private AI companion with distinct personalities, evolving memories, and adaptive behaviors. This offline platform offers deep control over your AI's intelligence and data ownership, running entirely on your device.

Highlights
  • Fully offline AI experience
  • Create and customize Sentien personalities
  • Dynamic, evolving memory system
  • Neural voice customization
  • Vision intelligence for image understanding
  • Choice of AI model sizes
  • Private by design with data ownership
Features
Read full description

Sentiens is a private offline AI where you create your own Sentien with distinct personalities, neural voices, evolving memories, and adaptive behaviors. Each Sentien is fully customizable. Define how it thinks, speaks, responds, and grows over time using advanced personality controls, an AI training center and dynamic memory designed to create a deeply personal intelligence experience. Sentiens runs directly on your device as a fully offline AI platform, giving you speed, privacy, and complete control over your data without relying on constant cloud access. You can also choose the model that powers your Sentien. Larger parameter models deliver deeper reasoning, stronger understanding, and more intelligent responses, while smaller models provide faster, lightweight performance. Intelligence scales with your choice. FEATURES • Fully offline AI experience • Create and customize your own Sentien • Dynamic memory that evolves over time • Adaptive learning and context retention • Neural voice customization with 12 slider controls for Voice AI • Vision intelligence for image understanding • Modular AI architecture for expandable intelligence • Modular Local LLMs • Native device actions and command system • Fast on device processing • Choose between model sizes for performance or intelligence • Private by design with full data ownership Sentiens is not just an assistant. It is a platform for creating intelligent beings that grow with you. Design your Sentien. Shape its mind. Own your intelligence.

Screenshots

Lookinglass4 screens
Sentiens4 screens

Verdict

The call

The clearest difference is in-app purchases: Sentiens at none against Lookinglass's 10. Sentiens also leads on update cadence (every 2 days vs every 2 weeks). On price, rating, ratings volume and ads 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. Lookinglass sells 10 one-off in-app purchases. Sentiens asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Lookinglass against 5.0 for Sentiens. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

Lookinglass ships an update every 2 weeks, Sentiens every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
Lookinglass versus Sentiens: the parameters behind the verdict, then further details
ParameterLookinglassSentiens
PriceFreeFree
Rating5.0 (2 ratings)5.0 (2 ratings)
Number of ratings22
Update frequencyEvery 2 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size9 MB145 MB
Age rating12+4+
DeveloperCory HamiltonBK Kejera

In-app purchases

10 purchases

Lookinglass

One-time10
  • $1 Credit Top-Up$1.00
  • $2 Credit Top-Up$2.00
  • $3 Credit Top-Up$3.00
Show 7 more
  • $5 Credit Top-Up$5.00
  • $10 Credit Top-Up$10.00
  • $20 Credit Top-Up$20.00
  • $50 Credit Top-Up$50.00
  • $100 Credit Top-Up$100.00
  • $200 Credit Top-Up$200.00
  • $500 Credit Top-Up$500.00
None

Sentiens

No in-app purchases

Questions

Is Lookinglass free?
Lookinglass is free to download, with in-app purchases available.
Is Sentiens free?
Sentiens is free to download, with no in-app purchases.
Which has better reviews, Lookinglass or Sentiens?
Lookinglass and Sentiens are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do Lookinglass or Sentiens have ads?
Neither Lookinglass nor Sentiens shows ads.
Which is updated more often, Lookinglass or Sentiens?
Lookinglass ships an update every 2 weeks, and Sentiens every 2 days. Most recently, Lookinglass was updated on November 5, 2026 and Sentiens on October 31, 2026.

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