# Lookinglass vs Sentiens

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.

Both are free to download. Lookinglass sells 10 one-off in-app purchases. Sentiens asks for nothing beyond the download.

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.

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.

## The numbers

| Metric | Lookinglass | Sentiens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/lookinglass/id6751123527/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/sentiens/id6765820679/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 145 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Cory Hamilton](https://appshunter.io/developer/1794022053) | [BK Kejera](https://appshunter.io/developer/1707608873) |

## What reviewers say

### Lookinglass

[App page](https://appshunter.io/ios/app/lookinglass/id6751123527)

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:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $1 Credit Top-Up | $1.00 | one-time |
| $2 Credit Top-Up | $2.00 | one-time |
| $3 Credit Top-Up | $3.00 | one-time |
| $5 Credit Top-Up | $5.00 | one-time |
| $10 Credit Top-Up | $10.00 | one-time |
| $20 Credit Top-Up | $20.00 | one-time |
| $50 Credit Top-Up | $50.00 | one-time |
| $100 Credit Top-Up | $100.00 | one-time |
| $200 Credit Top-Up | $200.00 | one-time |
| $500 Credit Top-Up | $500.00 | one-time |


### Sentiens

[App page](https://appshunter.io/ios/app/sentiens/id6765820679)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*