# Ertigo vs Intwin

The clearest difference is rating: Ertigo at 4.5 against Intwin's 4.0. Ertigo also leads on ratings volume (26 vs 1). Intwin's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Ertigo sells 6 in-app purchases, starting at $9.99 per month. Intwin asks for nothing beyond the download.

Ertigo holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Ertigo has 26 ratings behind it against 1, so its average is the more settled of the two.

Ertigo ships an update every 11 days, Intwin every 2 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Ertigo | Intwin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (26 ratings)](https://appshunter.io/ios/app/ertigo-flexibility-stretching/id1550788893/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/intwin/id6753014205/reviews) |
| Number of ratings | **26** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 129 MB | 113 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Boonya Kitpitak](https://appshunter.io/developer/1550788895) | [DIGITAAM - FZCO](https://appshunter.io/developer/1842139668) |

## What reviewers say

### Ertigo

[App page](https://appshunter.io/ios/app/ertigo-flexibility-stretching/id1550788893)

This app offers guided flexibility stretching programs designed to relieve pain, improve mobility, and enhance overall wellness. It features expert-developed routines, personalized plans, and audio guidance for a safe and effective experience.

**Highlights:** Guided flexibility stretching programs, Personalized plans from experts, Text-to-speech audio guidance, Flexibility testing, Focus timer for breaks, Animation guidelines

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $9.99 | per month |
| Premium access | $24.99 | per year |
| Before Sleep Stretching | $12.99 | one-time |
| 3-Week Sore Legs Relief | $12.99 | one-time |
| 3 Weeks - Full Body Stretching | $12.99 | one-time |
| ERTIGO: Lifetime Access | $200.00 | one-time |


### Intwin

[App page](https://appshunter.io/ios/app/intwin/id6753014205)

This app uses AI to help you track calories, macros, and nutrition. It offers personalized meal plans and insights to build healthier eating habits. Connect with nutrition professionals for additional support.

**Highlights:** AI-powered calorie and macro tracking, Personalized weekly meal plans, Nutrition progress monitoring, Healthy habit building tools, Connect with nutrition professionals, Food and nutrition insights

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

**In-app purchases:** none


## Frequently asked questions

### Is Ertigo free?

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

### Is Intwin free?

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

### Which has better reviews, Ertigo or Intwin?

Ertigo is rated higher. Ertigo averages 4.5 out of 5 from 26 ratings, while Intwin averages 4.0 from 1 ratings.

### Do Ertigo or Intwin have ads?

Ertigo shows ads; Intwin does not.

### Which is updated more often, Ertigo or Intwin?

Ertigo ships an update every 11 days, and Intwin every 2 weeks. Most recently, Ertigo was updated on October 24, 2026 and Intwin on October 10, 2026.

---

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