# Sphere TD vs Stellar

Sphere TD and Stellar both sit at 4.6 stars, but that hides the real split: 100% of Sphere TD's written reviews are positive against 69% of Stellar's. Sphere TD also leads on update cadence (every 3 days vs weekly). Stellar's advantage is ratings volume (45 vs 10). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Sphere TD sells 10 one-off in-app purchases and Stellar sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Sphere TD against 4.7 for Stellar. Both are backed by a comparable volume of ratings — 10 and 45 respectively. Written reviews are what separate them: 100% of Sphere TD's written reviews are positive against 69% of Stellar's.

Sphere TD ships an update every 3 days, Stellar weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sphere TD | Stellar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (10 ratings)](https://appshunter.io/ios/app/sphere-td/id6753674090/reviews) | **[4.7 (45 ratings)](https://appshunter.io/ios/app/stellar-dominion/id6756269359/reviews)** |
| Number of ratings | 10 | **45** |
| Positive reviews | **100.0% of reviews** | 69.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 316 MB | 161 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [StandardIssueGames](https://appshunter.io/developer/1844319777) | [Enoxys](https://appshunter.io/developer/1859656809) |

## What reviewers say

### Sphere TD

[App page](https://appshunter.io/ios/app/sphere-td/id6753674090)

A complex tower defense game where you build and upgrade towers to defend against waves of spheres. Strategize with deep customization, resource management, and research to overcome challenges. Offers extensive replayability with numerous levels and modes.

**Highlights:** Tower and projectile customization, 30 base towers with 28+ stats, 33 mods with millions of combinations, Research and crafting system, Tower inventory and energy management, 50 hand-crafted levels and endless mode, Offline and online play with cloud sync

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Au Field Ration | $4.99 | one-time |
| Defender Starter Pack | $7.99 | one-time |
| Au Supply Cache | $9.99 | one-time |
| Galatium Express Token | $9.99 | one-time |
| Galatium Academy Pack | $14.99 | one-time |
| Shadow Broker Vantage | $19.99 | one-time |
| Au Enterprise Fund | $24.99 | one-time |
| Flux Enrichment Grant | $24.99 | one-time |
| Au Strategic Stockpile | $49.99 | one-time |
| Au Global Reserve | $99.99 | one-time |


### Stellar

[App page](https://appshunter.io/ios/app/stellar-dominion/id6756269359)

Build an interstellar empire from a single colony to galactic domination. Develop colonies, explore solar systems, research technologies, and engage with AI factions through diplomacy or warfare. Manage resources, build diverse fleets, and complete missions to unlock new features.

**Highlights:** Colony development and resource management, Interstellar exploration and colonization, Extensive technology tree, AI faction interaction (diplomacy/warfare), Diverse fleet building and combat, Resource trading and market management, Commander missions and achievements

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Star Pack | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Constellation Pack | $3.99 | one-time |
| Founder Pack | $6.99 | one-time |
| Galaxy Pack | $8.99 | one-time |
| VIP Pass | $12.99 | one-time |
| Admiral's Vault | $22.99 | one-time |


## Frequently asked questions

### Is Sphere TD free?

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

### Is Stellar free?

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

### Which has better reviews, Sphere TD or Stellar?

Stellar is rated higher. Sphere TD averages 4.6 out of 5 from 10 ratings, while Stellar averages 4.7 from 45 ratings.

### Do Sphere TD or Stellar have ads?

Both Sphere TD and Stellar show ads.

### Which is updated more often, Sphere TD or Stellar?

Sphere TD ships an update every 3 days, and Stellar weekly. Most recently, Sphere TD was updated on October 28, 2026 and Stellar 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.*