# Teach on Mars vs Spa Well

The clearest difference is update cadence: Spa Well at fortnightly against Teach on Mars's every 6 weeks. Teach on Mars's advantage is iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Teach on Mars ships an update every 6 weeks, Spa Well fortnightly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Teach on Mars | Spa Well |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/teach-on-mars/id1580854583/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 120 MB | 44 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Teach on Mars](https://appshunter.io/developer/674099907) | [Sara Young](https://appshunter.io/developer/1784541516) |

## What reviewers say

### Teach on Mars

[App page](https://appshunter.io/ios/app/teach-on-mars/id1580854583)

Expand your daily knowledge with diverse content and personalized learning. Compete with friends, earn badges, and achieve expert status through certifications. Stay updated on digital learning trends via the news feed.

**Highlights:** Hundreds of content on various themes, Personalized profile and preferences, Challenge friends and colleagues, Collect badges and accumulate points, Reach top of leaderboards, Obtain certifications, Digital learning trends news feed

**Features:** macOS Compatibility

**In-app purchases:** none


### Spa Well

[App page](https://appshunter.io/ios/app/spa-well/id6739265369)

**In-app purchases:** none


## Frequently asked questions

### Is Teach on Mars free?

Teach on Mars is free to download, with no in-app purchases.

### Is Spa Well free?

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

### Do Teach on Mars or Spa Well have ads?

Neither Teach on Mars nor Spa Well shows ads.

### Which is updated more often, Teach on Mars or Spa Well?

Teach on Mars ships an update every 6 weeks, and Spa Well fortnightly. Most recently, Teach on Mars was updated on October 10, 2026 and Spa Well 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.*