# Sentiens vs ThinkDrive

The clearest difference is in-app purchases: Sentiens at none against ThinkDrive's 2. Sentiens also leads on update cadence (every 2 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ThinkDrive sells 2 in-app purchases, starting at $1.99 per month. Sentiens asks for nothing beyond the download.

Sentiens ships an update every 2 days, ThinkDrive fortnightly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Sentiens | ThinkDrive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sentiens/id6765820679/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Free | — |
| Size | 145 MB | 7 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [BK Kejera](https://appshunter.io/developer/1707608873) | [Diego Anguita](https://appshunter.io/developer/1825702530) |

## What reviewers say

### 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


### ThinkDrive

[App page](https://appshunter.io/ios/app/thinkdrive-capture-every-idea/id6771512147)

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThinkDrive Premium | $1.99 | per month |
| ThinkDrive Premium | $14.99 | per year |


## Frequently asked questions

### Is Sentiens free?

Sentiens is free to download, with no in-app purchases.

### Is ThinkDrive free?

ThinkDrive is free to download, with in-app purchases available.

### Do Sentiens or ThinkDrive have ads?

Neither Sentiens nor ThinkDrive shows ads.

### Which is updated more often, Sentiens or ThinkDrive?

Sentiens ships an update every 2 days, and ThinkDrive fortnightly. Most recently, Sentiens was updated on October 31, 2026 and ThinkDrive on November 10, 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.*