# Doctors World vs Ruff

The clearest difference is in-app purchases: Doctors World at none against Ruff's 5. Doctors World also leads on iOS requirement (11.2 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ruff sells 5 in-app purchases, starting at $5.00 per 7 days. Doctors World asks for nothing beyond the download.

Doctors World ships an update monthly, Ruff every 3 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Doctors World | Ruff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ruff-ai-pet/id6749273178/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 111 MB |
| Requires iOS | **11.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [New tech software NTS](https://appshunter.io/developer/1447990044) | [Parv Khurana](https://appshunter.io/developer/1682320329) |

## What reviewers say

### Doctors World

[App page](https://appshunter.io/ios/app/doctors-world/id1448628591)

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

**In-app purchases:** none


### Ruff

[App page](https://appshunter.io/ios/app/ruff-ai-pet/id6749273178)

This app offers a virtual AI dog companion for emotional support. Engage in private conversations, receive well-being reminders, and celebrate achievements with a non-judgmental friend always available to listen and brighten your day.

**Highlights:** AI dog companion, Private and secure chat, Well-being check-ins, Encouragement and support, Celebrates achievements, Always available

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruff Unlimited | $5.00 | per 7 days |
| Ruff Unlimited | $20.00 | per month |
| Paw Five | $1.00 | one-time |
| Play Time | $5.00 | one-time |
| Ruff Paradise | $10.00 | one-time |


## Frequently asked questions

### Is Doctors World free?

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

### Is Ruff free?

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

### Do Doctors World or Ruff have ads?

Neither Doctors World nor Ruff shows ads.

### Which is updated more often, Doctors World or Ruff?

Doctors World ships an update monthly, and Ruff every 3 weeks. Most recently, Doctors World was updated on October 5, 2026 and Ruff on October 24, 2026.

---

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