# re.ТРИ vs Chat PDF AI

The clearest difference is ads: re.ТРИ at none against Chat PDF AI's shown. re.ТРИ also leads on update cadence (monthly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. re.ТРИ sells 8 in-app purchases, starting at $1.99 per month and Chat PDF AI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

re.ТРИ ships an update monthly, Chat PDF AI every 2 months. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | re.ТРИ | Chat PDF AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 134 MB | 70 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [INTELLEKT RESURS, OOO](https://appshunter.io/developer/1536748993) | [Asad Ahsan](https://appshunter.io/developer/1326954499) |

## What reviewers say

### re.ТРИ

[App page](https://appshunter.io/ios/app/re/id1536748991)

This app offers a unique approach to mental well-being, focusing on the connection between the body and mind. It provides tools for pain relief, stress management, improved sleep, and preventing burnout through guided exercises and meditations.

**Highlights:** Pain and muscle tension relief, Stress and panic attack management, Sleep improvement techniques, Burnout prevention practices, Relaxation and meditation guides, Problem-solving tools, Luscher color test, Online psychologist consultations

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Стандарт 1 месяц | $1.99 | per month |
| Стандарт 3 месяца | $5.99 | per 3 months |
| Подписка на 1 месяц | $7.49 | per month |
| Стандарт 6 месяцев | $9.99 | per 6 months |
| Подписка на 3 месяца | $14.99 | per 3 months |
| Стандарт 12 месяцев | $19.99 | per year |
| Подписка на 6 месяцев | $29.99 | per 6 months |
| Подписка на 1 год | $49.99 | per year |


### Chat PDF AI

[App page](https://appshunter.io/ios/app/chat-pdf-ai-chat-with-pdf/id6761840863)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is re.ТРИ free?

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

### Is Chat PDF AI free?

Chat PDF AI is free to download, with in-app purchases available.

### Do re.ТРИ or Chat PDF AI have ads?

Chat PDF AI shows ads; re.ТРИ does not.

### Which is updated more often, re.ТРИ or Chat PDF AI?

re.ТРИ ships an update monthly, and Chat PDF AI every 2 months. Most recently, re.ТРИ was updated on October 9, 2026 and Chat PDF AI on October 20, 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.*