# Solar System Sim vs Perfect Timing

The clearest difference is update cadence: Perfect Timing at daily against Solar System Sim's every 4 days. Solar System Sim's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Solar System Sim sells 5 one-off in-app purchases and Perfect Timing sells 10 in-app purchases, starting at $6.99 per year. Whichever you choose, the download price is not the number that matters.

Solar System Sim ships an update every 4 days, Perfect Timing daily. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Solar System Sim | Perfect Timing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4.4K ratings)](https://appshunter.io/ios/app/solar-system-sim/id6447612221/reviews)** | — |
| Number of ratings | **4.4K** | — |
| Positive reviews | 80.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 527 MB | 30 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WPC](https://appshunter.io/developer/1681830786) | [Mustafa Emir Ata](https://appshunter.io/developer/1832991012) |

## What reviewers say

### Solar System Sim

[App page](https://appshunter.io/ios/app/solar-system-sim/id6447612221)

Explore the vastness of space, from planet surfaces to distant galaxies. This real-time gravity sandbox allows you to build and reshape entire solar systems using real astronomical data and physics. Experience the scale of the universe and witness cosmic events firsthand.

**Highlights:** Real-time gravity simulation, Build custom solar systems, First-person planet landing, Sculpt particle rings, Witness real eclipses, Explore nearby stars

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HD Mars | $2.99 | one-time |
| HD Earth | $2.99 | one-time |
| HD Moon | $2.99 | one-time |
| No-ads | $3.99 | one-time |
| HD 3-body pack | $6.99 | one-time |

**What reviewers like**

- 🚀 Realistic simulation
- 🚀 Detailed solar system
- 🚀 Ability to create custom solar systems
- 🚀 Impressive graphics
- 🚀 Frequent updates

**What reviewers complain about**

- 🐛 Crashes and glitches
- 🔋 High battery consumption
- 💰 Excessive ads
- 🐛 Saving and loading issues
- 🐛 Unstable orbits

**Reported bugs**

- Planets/moons disappearing after saving and loading
- Bright flashes and screen distortions
- Planets/objects getting stuck inside stars
- Crashes when colliding or editing certain objects
- Inconsistent orbital mechanics and moons ejecting from planets

**Requested features**

- Add more galaxy and nebula textures
- Implement realistic supernova effects
- Allow customization of planet atmospheres and terrain
- Add binary star systems and rogue planets
- Introduce a galaxy maker and collision feature


### Perfect Timing

[App page](https://appshunter.io/ios/app/perfect-timing-reflex-game/id6816292248)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Yearly | $6.99 | per year |
| Coin Pouch | $0.99 | one-time |
| Coin Bag | $0.99 | one-time |
| Welcome Pack | $0.99 | one-time |
| 24h Unlimited Lives | $0.99 | one-time |
| Tournament Key | $0.99 | one-time |
| Premium Victory Road | $1.99 | one-time |
| Coin Chest | $2.99 | one-time |
| Treasure | $5.99 | one-time |
| Dragon Hoard | $9.99 | one-time |


## Frequently asked questions

### Is Solar System Sim free?

Solar System Sim is free to download, with in-app purchases available.

### Is Perfect Timing free?

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

### Do Solar System Sim or Perfect Timing have ads?

Both Solar System Sim and Perfect Timing show ads.

### Which is updated more often, Solar System Sim or Perfect Timing?

Solar System Sim ships an update every 4 days, and Perfect Timing daily. Most recently, Solar System Sim was updated on November 5, 2026 and Perfect Timing on October 29, 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.*