# N2 Studios vs StressTracker

The clearest difference is review sentiment: StressTracker at 75% against N2 Studios's 0%. StressTracker also leads on rating (4.7 vs 3.8) and update cadence (every 2 weeks vs every 15 months). N2 Studios's advantage is in-app purchases (none vs 10) and iOS requirement (9.0.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. StressTracker sells 9 in-app purchases, starting at $4.99 per 7 days. N2 Studios asks for nothing beyond the download.

StressTracker holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: StressTracker has 444 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of N2 Studios's written reviews are positive against 75% of StressTracker's.

N2 Studios ships an update every 15 months, StressTracker every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | N2 Studios | StressTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/n2-studios/id1596468350/reviews) | **[4.7 (444 ratings)](https://appshunter.io/ios/app/stresstracker-ai-stress-check/id6446667745/reviews)** |
| Number of ratings | 5 | **444** |
| Positive reviews | 0.0% of reviews | **75.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 20 MB | 112 MB |
| Requires iOS | **9.0.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [N2 Holding Corporation](https://appshunter.io/developer/1596468352) | [赞美 陈](https://appshunter.io/developer/1674072992) |

## What reviewers say

### N2 Studios

[App page](https://appshunter.io/ios/app/n2-studios/id1596468350)

Access your personalized member portal to sign up for classes, manage your membership, and stay updated on studio events. This application provides convenient access to all your studio needs.

**Highlights:** Personalized member portal, Class sign-up, Membership management, Studio event updates

**Features:** macOS Compatibility

**In-app purchases:** none


### StressTracker

[App page](https://appshunter.io/ios/app/stresstracker-ai-stress-check/id6446667745)

This app analyzes heart data from your Apple Watch to assess psychological stress levels and monitor mental, emotional, and physical states. It provides detailed charts and intelligent reminders to help you understand and manage stress over time.

**Highlights:** AI-powered stress assessment, HRV data analysis, Multi-dimensional stress charts, Intelligent stress reminders, Apple Health integration, Local data storage

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Weekly Pro | $4.99 | per 7 days |
| Monthly Pro | $14.99 | per month |
| Annual | $29.99 | per year |
| Quarter VIP | $34.99 | per 3 months |
| Annual Pro | $39.99 | per year |
| VIP Member | $22.99 | one-time |
| Lifetime Pro | $99.99 | one-time |
| 终身会员VIP | $99.99 | one-time |

**What reviewers like**

- 🎨 Cute and aesthetic themes
- 👍 Easy to use interface
- 🎯 Accurate measurements
- ✨ Customizable watch faces
- 💖 User-friendly design

**What reviewers complain about**

- ❌ Incompatible with older Apple Watch models
- 💸 Misleading pricing and hidden charges
- ❓ Language issues (Chinese/English mix)
- 📉 Limited functionality in paid version
- 🤷‍♀️ Lack of customer support

**Reported bugs**

- App not working with Apple Series 3
- Promotional price not applied
- Data missing after upgrade
- Feedback submission failed
- Cannot contact customer service

**Requested features**

- Real-time updates
- Increased frequency of readings/customizable frequency
- Ability to manually trigger HRV
- Improved notifications for high stress
- Dark mode option


## Frequently asked questions

### Is N2 Studios free?

N2 Studios is free to download, with no in-app purchases.

### Is StressTracker free?

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

### Which has better reviews, N2 Studios or StressTracker?

StressTracker is rated higher. N2 Studios averages 3.8 out of 5 from 5 ratings, while StressTracker averages 4.7 from 444 ratings.

### Do N2 Studios or StressTracker have ads?

Neither N2 Studios nor StressTracker shows ads.

### Which is updated more often, N2 Studios or StressTracker?

N2 Studios ships an update every 15 months, and StressTracker every 2 weeks. Most recently, N2 Studios was updated on October 24, 2026 and StressTracker on October 25, 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.*