# Darkball vs Sphere TD

The clearest difference is review sentiment: Sphere TD at 100% against Darkball's 0%. Sphere TD also leads on rating (4.6 vs 4.1) and update cadence (every 2 days vs every 68 months). Darkball's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Sphere TD sells 10 one-off in-app purchases. Darkball asks for nothing beyond the download.

Sphere TD holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 15 and 9 respectively. Written reviews point the same way: 0% of Darkball's written reviews are positive against 100% of Sphere TD's.

Darkball ships an update every 68 months, Sphere TD every 2 days. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Darkball | Sphere TD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (15 ratings)](https://appshunter.io/ios/app/darkball/id937357954/reviews) | **[4.6 (9 ratings)](https://appshunter.io/ios/app/sphere-td/id6753674090/reviews)** |
| Number of ratings | **15** | 9 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 68 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 0 MB | 332 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [CW&T](https://appshunter.io/developer/403622462) | [StandardIssueGames](https://appshunter.io/developer/1844319777) |

## What reviewers say

### Darkball

[App page](https://appshunter.io/ios/app/darkball/id937357954)

Test your predictive abilities by tapping the screen at the precise moment a ball enters a target area. This game challenges your brain's capacity to anticipate events based on subtle cues, similar to how athletes predict ball trajectories.

**Highlights:** Predictive ball interception gameplay, Tests brain's anticipation skills, Simple tap-to-intercept mechanic, Challenges timing and prediction, Minimalist visual cues

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Darkball free?

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

### Is Sphere TD free?

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

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

Sphere TD is rated higher. Darkball averages 4.1 out of 5 from 15 ratings, while Sphere TD averages 4.6 from 9 ratings.

### Do Darkball or Sphere TD have ads?

Sphere TD shows ads; Darkball does not.

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

Darkball ships an update every 68 months, and Sphere TD every 2 days. Most recently, Darkball was updated on September 20, 2026 and Sphere TD on September 23, 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.*