# Constructors Prime vs AEC Solar

The clearest difference is update cadence: Constructors Prime at every 5 weeks against AEC Solar's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Constructors Prime ships an update every 5 weeks, AEC Solar every 5 months. The most recent releases landed on August 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Constructors Prime | AEC Solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Size | 37 MB | 44 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Concrete Constructors LLC](https://appshunter.io/developer/1639523872) | [AEC Solar Energy Corp](https://appshunter.io/developer/1699652969) |

## What reviewers say

### Constructors Prime

[App page](https://appshunter.io/ios/app/constructors-prime/id1639523870)

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

**In-app purchases:** none


### AEC Solar

[App page](https://appshunter.io/ios/app/aec-solar/id6454232694)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Constructors Prime free?

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

### Is AEC Solar free?

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

### Do Constructors Prime or AEC Solar have ads?

Neither Constructors Prime nor AEC Solar shows ads.

### Which is updated more often, Constructors Prime or AEC Solar?

Constructors Prime ships an update every 5 weeks, and AEC Solar every 5 months. Most recently, Constructors Prime was updated on August 8, 2026 and AEC Solar on September 19, 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.*