# Tessie vs Care+ Diagnostics

The clearest difference is review sentiment: Tessie at 64% against Care+ Diagnostics's 3%. Tessie also leads on rating (4.8 vs 1.1) and update cadence (weekly vs every 2 months). Care+ Diagnostics's advantage is in-app purchases (none vs 17). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tessie sells 15 in-app purchases, starting at $3.99 per month. Care+ Diagnostics asks for nothing beyond the download.

Tessie holds the better App Store score, 4.8 against 1.1. That said, the two scores are not equally well evidenced: Tessie has 9.6K ratings behind it against 38, so its average is the more settled of the two. Written reviews point the same way: 64% of Tessie's written reviews are positive against 3% of Care+ Diagnostics's.

Tessie ships an update weekly, Care+ Diagnostics every 2 months. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Tessie | Care+ Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9.6K ratings)](https://appshunter.io/ios/app/tessie/id1496718223/reviews)** | [1.1 (38 ratings)](https://appshunter.io/ios/app/care-plus-diagnostics/id6454846582/reviews) |
| Number of ratings | **9.6K** | 38 |
| Positive reviews | **63.9% of reviews** | 3.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 258 MB | 173 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tessie](https://appshunter.io/developer/1543753114) | [SERVICE LEE TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1039828860) |

## What reviewers say

### Tessie

[App page](https://appshunter.io/ios/app/tessie/id1496718223)

Enhance your Tesla ownership with detailed tracking, powerful automations, and real-time diagnostics. Monitor trips, battery health, charging, and receive important event notifications. Integrate with smart home systems and control your vehicle from various devices.

**Highlights:** Trip tracking, Battery health analytics, Charging and phantom drain tracking, Live charging view, Automations with schedules and triggers, Event notifications, Real-time OBD diagnostics, Cross-platform control (Apple Watch, Web)

**Features:** macOS Compatibility, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Legacy | $3.99 | per month |
| Legacy | $4.99 | per month |
| Legacy | $4.99 | per month |
| Basic | $6.99 | per month |
| Pro | $12.99 | per month |
| Pro | $14.99 | per month |
| Legacy | $39.99 | per year |
| Tessie | $49.99 | per year |
| Legacy | $49.99 | per year |
| Tessie | $69.99 | per year |
| Basic | $69.99 | per year |
| Pro | $129.99 | per year |
| Pro | $149.99 | per year |
| Legacy (Lifetime) | $199.99 | one-time |
| Tessie | $399.99 | one-time |

**What reviewers like**

- 🚀 Detailed data and analytics
- 👍 Intuitive and well-designed UI
- 🔒 Secure and reliable connection
- 💡 Useful Apple Watch and Alexa integration
- 🚀 Fast and responsive app

**What reviewers complain about**

- 💰 Expensive subscription model
- 🐛 Occasional connectivity issues
- 🔋 High battery drain on Apple Watch
- 🤔 Confusing setup process for some features

**Reported bugs**

- Inaccurate weather data
- Missing trip and charging history
- Unreliable Apple Watch integration

**Requested features**

- Charging schedule and preconditioning options
- More customization and widget support
- Sentry mode camera access
- Improved Apple Watch reliability


### Care+ Diagnostics

[App page](https://appshunter.io/ios/app/care-plus-diagnostics/id6454846582)

This app allows Samsung Care+ customers to run device diagnostics to activate their plan. It guides users through capturing images of their device with a second smartphone and analyzes the results to determine plan activation. Users get a second attempt if the initial diagnosis fails.

**Highlights:** Device diagnostics for Samsung Care+, Plan activation through diagnosis, Image capture with a second device, Step-by-step diagnostic instructions, Analysis of device health, Second diagnosis attempt

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Tessie free?

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

### Is Care+ Diagnostics free?

Care+ Diagnostics is free to download, with no in-app purchases.

### Which has better reviews, Tessie or Care+ Diagnostics?

Tessie is rated higher. Tessie averages 4.8 out of 5 from 9.6K ratings, while Care+ Diagnostics averages 1.1 from 38 ratings.

### Do Tessie or Care+ Diagnostics have ads?

Neither Tessie nor Care+ Diagnostics shows ads.

### Which is updated more often, Tessie or Care+ Diagnostics?

Tessie ships an update weekly, and Care+ Diagnostics every 2 months. Most recently, Tessie was updated on October 20, 2026 and Care+ Diagnostics on October 13, 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.*