# DeepThink vs TrueCaptions

The clearest difference is price: TrueCaptions at Free against DeepThink's $2.99. TrueCaptions also leads on iOS requirement (15.1 vs 18.0). DeepThink's advantage is update cadence (every 2 days vs every 5 weeks). On ads, in-app purchases and device support there is nothing between them.

TrueCaptions 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, TrueCaptions every 5 weeks. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | DeepThink | TrueCaptions |
| --- | --- | --- |
| 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** | Every 5 weeks |
| Monetization | Paid | — |
| Size | 21 MB | 30 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [3DTOPO Inc.](https://appshunter.io/developer/306248371) | [TrueCaptions LLC](https://appshunter.io/developer/6788666568) |

## 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


### TrueCaptions

[App page](https://appshunter.io/ios/app/truecaptions/id6788666565)

**In-app purchases:** none


## Frequently asked questions

### Is DeepThink free?

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

### Is TrueCaptions free?

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

### Do DeepThink or TrueCaptions have ads?

Neither DeepThink nor TrueCaptions shows ads.

### Which is updated more often, DeepThink or TrueCaptions?

DeepThink ships an update every 2 days, and TrueCaptions every 5 weeks. Most recently, DeepThink was updated on October 14, 2026 and TrueCaptions on October 21, 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.*