# Thermo vs Ski+

The clearest difference is ads: Ski+ at none against Thermo's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Thermo sells 8 in-app purchases, starting at $10.99 per month and Ski+ sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Thermo ships an update monthly, Ski+ every 5 weeks. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Thermo | Ski+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (97 ratings)](https://appshunter.io/ios/app/thermo-temperature-check-in/id1046767441/reviews)** | — |
| Number of ratings | **97** | — |
| Positive reviews | 5.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Freemium | — |
| Size | 85 MB | 34 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Daily Discovers](https://appshunter.io/developer/1408603176) | [World Champ Tech](https://appshunter.io/developer/815744920) |

## What reviewers say

### Thermo

[App page](https://appshunter.io/ios/app/thermo-temperature-check-in/id1046767441)

Easily track family health by logging temperature changes and other vital signs. Create individual profiles to monitor each person's well-being over time with helpful charts and graphs. Set personalized reminders for consistent tracking and utilize voice input for added convenience.

**Highlights:** Family health tracking, Individual profiles, Temperature logging, Health dynamic graphs, Personalized reminders, Voice input, Apple Watch sync

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thermo  - 1 Month no trial | $10.99 | per month |
| Thermo Premium | $12.99 | per month |
| Thermo Premium - 1 month | $12.99 | per month |
| Thermo - Digital Wellness | $18.99 | per 3 months |
| Thermo - Digital Wellness + | $19.99 | per month |
| Thermo Plus - 12 months | $27.99 | per year |
| 3 months subscription | $39.99 | per 3 months |
| 3 Month Subscription | $59.99 | per 3 months |


### Ski+

[App page](https://appshunter.io/ios/app/ski-plus/id1493329517)

**Features:** Siri integration, Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intelligent Ski Coaching | $1.99 | per month |
| Intelligent Ski Coaching | $1.99 | per month |
| Intelligent Ski Coaching | $19.99 | per year |
| Intelligent Ski Coching | Free | one-time |


## Frequently asked questions

### Is Thermo free?

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

### Is Ski+ free?

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

### Do Thermo or Ski+ have ads?

Thermo shows ads; Ski+ does not.

### Which is updated more often, Thermo or Ski+?

Thermo ships an update monthly, and Ski+ every 5 weeks. Most recently, Thermo was updated on September 16, 2026 and Ski+ on September 17, 2026.

---

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