# Aqueduct vs Space Borders

The clearest difference is update cadence: Space Borders at every 2 months against Aqueduct's every 5 months. Space Borders also leads on price ($1.99 vs $4.99). Aqueduct's advantage is rating (4.9 vs 4.7) and iOS requirement (8.0 vs 15.6). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Aqueduct costs $4.99 and Space Borders $1.99 up front. Aqueduct sells 3 one-off in-app purchases and Space Borders sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Aqueduct holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 251 and 167 respectively. Written reviews point the same way: 95% of Aqueduct's written reviews are positive against 91% of Space Borders's.

Aqueduct ships an update every 5 months, Space Borders every 2 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Aqueduct | Space Borders |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | **[4.9 (251 ratings)](https://appshunter.io/ios/app/aqueduct/id377544857/reviews)** | [4.7 (167 ratings)](https://appshunter.io/ios/app/space-borders-alien-encounter/id490625226/reviews) |
| Number of ratings | **251** | 167 |
| Positive reviews | **94.8% of reviews** | 90.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 61 MB | 166 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Kieffer Bros.](https://appshunter.io/developer/293702721) | [Amasis Brauch](https://appshunter.io/developer/490625369) |

## What reviewers say

### Aqueduct

[App page](https://appshunter.io/ios/app/aqueduct/id377544857)

Rearrange jumbled waterways and pipelines to restore the flow of water. Over 250 unique puzzles offer hours of mind-invigorating fun with challenging mechanics like locked gates and warp portals.

**Highlights:** Rearrange pipelines, Restore water flow, Over 250 unique puzzles, Locked gates, Warp portals, Conveyor belts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Master Key | $0.99 | one-time |
| Rooster Chapter | $1.99 | one-time |
| Snake Chapter | $1.99 | one-time |

**What reviewers like**

- 👍 Simple yet challenging
- 👍 Clean interface and graphics
- 👍 Relaxing and satisfying gameplay
- 👍 Addictive and engaging puzzles
- 👍 Great brain workout

**What reviewers complain about**

- 🐛 Occasional bugs with magnetic blocks sticking
- 🐛 Level order not playing in sequence
- 🔋 Game slowing down devices over time
- 🔒 Lack of cloud sync or backup options

**Reported bugs**

- Magnetic blocks sticking and not moving
- Levels not playing in the correct order
- Game slowing down devices after updates

**Requested features**

- More levels and puzzle packs
- Ability to skip ahead to harder levels
- Colorblind mode for buttons/doors/portals
- Leaderboards and scoring system
- Level editor and sharing capabilities


### Space Borders

[App page](https://appshunter.io/ios/app/space-borders-alien-encounter/id490625226)

Command a fleet of starships in a real-time strategy war against hostile aliens. Build your armada, harvest resources, and use tactical formations and superweapons to protect Earth and its colonies from annihilation.

**Highlights:** Real-time strategy gameplay, Build and customize fleet (15 ship types), Resource harvesting and upgrades, Tactical ship formations, Superweapons and special powers, Campaign, Survival, and Sandbox modes

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Conquest Mode | $1.99 | one-time |

**What reviewers like**

- 🎮 Excellent RTS gameplay mechanics
- 💰 No pay-to-win or microtransactions
- 🎨 Charming 2D graphics and visual style
- ⚙️ Deep fleet customization options
- 📱 Works smoothly on older devices

**What reviewers complain about**

- 🐛 Frequent app crashes during missions
- 💾 No save/checkpoint system for long missions
- 🎨 Cartoony graphics in newer versions
- 🤖 Poor AI behavior
- ⏱️ Missions are very long without breaks

**Reported bugs**

- App crashes mid-mission with no progress recovery
- Save file corruption and rollback after updates
- Mission failure without clear cause or visibility
- Resource disappearance between campaign episodes
- Harvester ships launching into enemy fire

**Requested features**

- Multiplayer or online gameplay
- Sequel or major expansion
- Additional campaign missions and episodes
- More ship types and varieties
- More turret and weapon options


## Frequently asked questions

### Is Aqueduct free?

Aqueduct costs $4.99, and also offers in-app purchases.

### Is Space Borders free?

Space Borders costs $1.99, and also offers in-app purchases.

### Which has better reviews, Aqueduct or Space Borders?

Aqueduct is rated higher. Aqueduct averages 4.9 out of 5 from 251 ratings, while Space Borders averages 4.7 from 167 ratings.

### Do Aqueduct or Space Borders have ads?

Neither Aqueduct nor Space Borders shows ads.

### Which is updated more often, Aqueduct or Space Borders?

Aqueduct ships an update every 5 months, and Space Borders every 2 months. Most recently, Aqueduct was updated on November 6, 2026 and Space Borders on November 1, 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.*