# Houston vs Supplements AI

The clearest difference is in-app purchases: Houston at none against Supplements AI's 4. Houston also leads on rating (4.7 vs 4.3) and review sentiment (64% vs 55%). Supplements AI's advantage is ads (none vs shown) and update cadence (every 4 days vs monthly). On price, ratings volume, monetization model and device support there is nothing between them.

Both are free to download. Supplements AI sells 4 in-app purchases, starting at $4.99 per month. Houston asks for nothing beyond the download.

Houston holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 106 and 126 respectively. Written reviews point the same way: 64% of Houston's written reviews are positive against 55% of Supplements AI's.

Houston ships an update monthly, Supplements AI every 4 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Houston | Supplements AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (106 ratings)](https://appshunter.io/ios/app/houston-for-inner-space/id1582469884/reviews)** | [4.3 (126 ratings)](https://appshunter.io/ios/app/supplements-ai-stack-tracker/id6741800649/reviews) |
| Number of ratings | 106 | **126** |
| Positive reviews | **63.6% of reviews** | 54.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 40 MB | 54 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Hitchhiker Labs Inc.](https://appshunter.io/developer/1582470066) | [Adrien Pierre Grusse](https://appshunter.io/developer/1795657365) |

## What reviewers say

### Houston

[App page](https://appshunter.io/ios/app/houston-for-inner-space/id1582469884)

This app helps you track microdosing of various supplements to enhance well-being, creativity, and focus. Set goals, schedule doses, log your intake, and monitor your mood and feelings. Gain insights into your progress and connect with a supportive community.

**Highlights:** Set personal goals, Schedule doses with reminders, Log supplement intake, Track mood and feelings, Journal daily experiences, Access expert articles, Connect with community

**Features:** macOS Compatibility

**In-app purchases:** none


### Supplements AI

[App page](https://appshunter.io/ios/app/supplements-ai-stack-tracker/id6741800649)

Optimize your health routine with this intelligent supplement tracker. It creates personalized schedules, reminds you of doses, and analyzes potential interactions and synergies to maximize benefits. Gain insights into how your supplements impact your well-being and identify potential nutrient deficiencies.

**Highlights:** Personalized supplement schedule, Smart reminder notifications, Vitamin and mineral tracking, Synergy and interference analysis, Meal-aware planning, Well-being and performance tracking, Nutrient deficiency identification

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supplements Premium Monthly | $4.99 | per month |
| Supplements Premium Monthly | $5.99 | per month |
| Supplements Premium Yearly | $29.99 | per year |
| Supplements Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Houston free?

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

### Is Supplements AI free?

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

### Which has better reviews, Houston or Supplements AI?

Houston is rated higher. Houston averages 4.7 out of 5 from 106 ratings, while Supplements AI averages 4.3 from 126 ratings.

### Do Houston or Supplements AI have ads?

Houston shows ads; Supplements AI does not.

### Which is updated more often, Houston or Supplements AI?

Houston ships an update monthly, and Supplements AI every 4 days. Most recently, Houston was updated on November 3, 2026 and Supplements AI on October 30, 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.*