# Instinct vs Sauna Guide & Tracker

The clearest difference is in-app purchases: Instinct at none against Sauna Guide & Tracker's 10. Instinct also leads on update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sauna Guide & Tracker sells 10 in-app purchases, starting at $4.99 per month. Instinct asks for nothing beyond the download.

Instinct ships an update every 5 days, Sauna Guide & Tracker every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Instinct | Sauna Guide & Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/instinct-reaction-time-tests/id6745971089/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 2 MB | 19 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Jasper Cheyney](https://appshunter.io/developer/1814666512) | [James Butler](https://appshunter.io/developer/978686771) |

## What reviewers say

### Instinct

[App page](https://appshunter.io/ios/app/instinct-reaction-time-tests/id6745971089)

Enhance your reaction time, reflexes, and cognitive speed with engaging, fast-paced games. Track your progress with detailed graphs, compete with friends on global leaderboards, and unlock achievements. Designed for quick daily mental agility training.

**Highlights:** Reaction Speed game, Turbo Tap challenge, Aim Training mode, Unlockable awards, Game Center leaderboards, Progress tracking graphs

**Features:** macOS Compatibility

**In-app purchases:** none


### Sauna Guide & Tracker

[App page](https://appshunter.io/ios/app/sauna-guide-and-tracker-ember/id6761013032)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ember Pro — Monthly | $4.99 | per month |
| Ember Pro — Yearly | $27.99 | per year |
| Europe | $2.99 | one-time |
| Asia | $2.99 | one-time |
| North America | $2.99 | one-time |
| Oceania | $2.99 | one-time |
| United States | $2.99 | one-time |
| Canada | $2.99 | one-time |
| Nordic & Baltic | $2.99 | one-time |
| Western & Central Europe | $2.99 | one-time |


## Frequently asked questions

### Is Instinct free?

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

### Is Sauna Guide & Tracker free?

Sauna Guide & Tracker is free to download, with in-app purchases available.

### Do Instinct or Sauna Guide & Tracker have ads?

Neither Instinct nor Sauna Guide & Tracker shows ads.

### Which is updated more often, Instinct or Sauna Guide & Tracker?

Instinct ships an update every 5 days, and Sauna Guide & Tracker every 3 weeks. Most recently, Instinct was updated on November 5, 2026 and Sauna Guide & Tracker on October 31, 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.*