# Dome Guardian vs DUET Synth

The clearest difference is in-app purchases: DUET Synth at none against Dome Guardian's 1. DUET Synth also leads on update cadence (daily vs every 10 days). Dome Guardian's advantage is iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Dome Guardian sells 1 one-off in-app purchase. DUET Synth asks for nothing beyond the download.

Dome Guardian ships an update every 10 days, DUET Synth daily. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Dome Guardian | DUET Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (561 ratings)](https://appshunter.io/ios/app/dome-guardian/id6449187165/reviews)** | — |
| Number of ratings | **561** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 390 MB | 2 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Mikhail Savenkov](https://appshunter.io/developer/1734765733) | [todd cunningham](https://appshunter.io/developer/6805709513) |

## What reviewers say

### Dome Guardian

[App page](https://appshunter.io/ios/app/dome-guardian/id6449187165)

Survive on a desolate alien planet by gathering resources and defending your base under a protective dome. Upgrade your skills, weapons, and defenses to combat hostile aliens and explore deeper for greater rewards.

**Highlights:** Resource gathering, Base building, Skill leveling, Weapon and defense upgrades, Alien combat, Exploration and discovery

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $4.99 | one-time |

**What reviewers like**

- 🚀 Decent game
- 🚀 Unique and quirky
- 🚀 Good game

**What reviewers complain about**

- 🐛 Broken and unplayable
- 🔍 Plagiarism and rip-off of existing game
- 🔍 Shameless copy of another game
- 🔍 Inferior clone of another game
- 🔍 Blatant plagiarism

**Reported bugs**

- Wave complete function is broken
- Laser attacks the wrong enemy
- Game doesn't save progress
- Soft lock during tutorial
- Upgrade to reduce speed drain is bugged

**Requested features**

- Option to disable ads
- Add a way to purchase ad-free version
- Expand the mining area
- Add new enemies
- Implement a save system


### DUET Synth

[App page](https://appshunter.io/ios/app/duet-synth/id6806688536)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dome Guardian free?

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

### Is DUET Synth free?

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

### Do Dome Guardian or DUET Synth have ads?

Both Dome Guardian and DUET Synth show ads.

### Which is updated more often, Dome Guardian or DUET Synth?

Dome Guardian ships an update every 10 days, and DUET Synth daily. Most recently, Dome Guardian was updated on October 30, 2026 and DUET Synth 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.*