# DeepThink vs Kashf Lens

The clearest difference is price: Kashf Lens at Free against DeepThink's $2.99. Kashf Lens also leads on iOS requirement (16.0 vs 18.0). DeepThink's advantage is update cadence (every 2 days vs weekly). On ads, in-app purchases and device support there is nothing between them.

Kashf Lens is free to download; DeepThink costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DeepThink ships an update every 2 days, Kashf Lens weekly. The most recent releases landed on September 29, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | DeepThink | Kashf Lens |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/deepthink/id6741049434/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Paid | — |
| Size | 21 MB | 3 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [3DTOPO Inc.](https://appshunter.io/developer/306248371) | [Azziz Mimouni](https://appshunter.io/developer/1877626721) |

## What reviewers say

### DeepThink

[App page](https://appshunter.io/ios/app/deepthink/id6741049434)

This AI assistant operates entirely on your device, offering private and unlimited conversations without needing an internet connection. It utilizes a self-reflection model for accurate reasoning and provides formatted output for easy use. Share with family for a secure, offline thinking partner.

**Highlights:** Complete privacy on-device processing, Offline functionality, Unlimited conversations, Markdown and LaTeX rendering, Full chat history, Family Sharing up to 6 members, AI self-reflection for thoughtful responses

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Kashf Lens

[App page](https://appshunter.io/ios/app/kashf-lens-sensor-explorer/id6759244520)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DeepThink free?

DeepThink costs $2.99, with no in-app purchases.

### Is Kashf Lens free?

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

### Do DeepThink or Kashf Lens have ads?

Neither DeepThink nor Kashf Lens shows ads.

### Which is updated more often, DeepThink or Kashf Lens?

DeepThink ships an update every 2 days, and Kashf Lens weekly. Most recently, DeepThink was updated on September 29, 2026 and Kashf Lens on September 16, 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.*