# mySolar vs 慧声FM HD

The clearest difference is in-app purchases: 慧声FM HD at none against mySolar's 3. 慧声FM HD also leads on ads (none vs shown) and update cadence (every 5 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. mySolar sells 3 one-off in-app purchases. 慧声FM HD asks for nothing beyond the download.

mySolar ships an update every 3 months, 慧声FM HD every 5 days. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | mySolar | 慧声FM HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (407 ratings)](https://appshunter.io/ios/app/mysolar-build-your-planets/id1237470522/reviews)** | — |
| Number of ratings | **407** | — |
| Positive reviews | 41.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 131 MB | 81 MB |
| Requires iOS | 16.6 | **8.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oscar Tsang](https://appshunter.io/developer/416987065) | [亚楠 张](https://appshunter.io/developer/1134909875) |

## What reviewers say

### mySolar

[App page](https://appshunter.io/ios/app/mysolar-build-your-planets/id1237470522)

Become a celestial architect and shape your own solar system. Collect cosmic resources to expand your universe, conquer rival systems, and freely design your dream planets. Experience the power of creation and domination.

**Highlights:** Build your own solar system, Collect God points (GP) and Mass points (MP), Defeat rival solars, Absorb enemy resources, Freely build planets

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30000 GP | $2.99 | one-time |
| 80000 GP | $5.99 | one-time |
| 150000 GP | $9.99 | one-time |

**What reviewers like**

- 🚀 Powerful star and planet creation
- 👍 Satisfying gameplay loop
- 🌌 Visually appealing space environment

**What reviewers complain about**

- 🐛 Bugs and glitches causing progress loss
- 💰 Expensive in-app purchases
- 🤔 Unclear progression and upgrade system

**Reported bugs**

- Levels not progressing properly after completing objectives
- Planets and upgrades disappearing after watching ads
- Inability to create binary or multi-star systems

**Requested features**

- Sandbox mode with more customization options
- Multiplayer or co-op gameplay
- Improved tutorial and onboarding


### 慧声FM HD

[App page](https://appshunter.io/ios/app/fm-hd/id1435749638)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is mySolar free?

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

### Is 慧声FM HD free?

慧声FM HD is free to download, with no in-app purchases.

### Do mySolar or 慧声FM HD have ads?

mySolar shows ads; 慧声FM HD does not.

### Which is updated more often, mySolar or 慧声FM HD?

mySolar ships an update every 3 months, and 慧声FM HD every 5 days. Most recently, mySolar was updated on September 23, 2026 and 慧声FM HD on September 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.*