# Lunar Astro Learning vs Stem Coach Mobile App

The clearest difference is update cadence: Stem Coach Mobile App at weekly against Lunar Astro Learning's every 3 months. Lunar Astro Learning's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Lunar Astro Learning sells 3 one-off in-app purchases and Stem Coach Mobile App sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Lunar Astro Learning ships an update every 3 months, Stem Coach Mobile App weekly. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Lunar Astro Learning | Stem Coach Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 72 MB | 4 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lunar Astro](https://appshunter.io/developer/1760736401) | [Vinay Yadav](https://appshunter.io/developer/6774858395) |

## What reviewers say

### Lunar Astro Learning

[App page](https://appshunter.io/ios/app/lunar-astro-learning/id6758606276)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lunar Astro Magazine One Year | $9.99 | one-time |
| Lunar Astro Magazine Life Time | $9.99 | one-time |
| Predictive Nakshtra Course English | $179.99 | one-time |


### Stem Coach Mobile App

[App page](https://appshunter.io/ios/app/stem-coach-mobile-app/id6774858393)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Family Monthly | $14.99 | per month |
| Family Yearly | $119.99 | per year |


## Frequently asked questions

### Is Lunar Astro Learning free?

Lunar Astro Learning is free to download, with in-app purchases available.

### Is Stem Coach Mobile App free?

Stem Coach Mobile App is free to download, with in-app purchases available.

### Do Lunar Astro Learning or Stem Coach Mobile App have ads?

Neither Lunar Astro Learning nor Stem Coach Mobile App shows ads.

### Which is updated more often, Lunar Astro Learning or Stem Coach Mobile App?

Lunar Astro Learning ships an update every 3 months, and Stem Coach Mobile App weekly. Most recently, Lunar Astro Learning was updated on October 26, 2026 and Stem Coach Mobile App on October 9, 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.*