# Active Theory Experiments vs SPECS

The clearest difference is update cadence: Active Theory Experiments at every 3 days against SPECS's fortnightly. Active Theory Experiments also leads on iOS requirement (16.4 vs 26.1). 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.

Active Theory Experiments ships an update every 3 days, SPECS fortnightly. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Active Theory Experiments | SPECS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/specs/id6771932006/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | — | Free |
| Size | 1 MB | 218 MB |
| Requires iOS | **16.4** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 17+ |
| Developer | [Active Theory](https://appshunter.io/developer/956025432) | [Specs Inc](https://appshunter.io/developer/6771932008) |

## What reviewers say

### Active Theory Experiments

[App page](https://appshunter.io/ios/app/active-theory-experiments/id6476633034)

**In-app purchases:** none


### SPECS

[App page](https://appshunter.io/ios/app/specs/id6771932006)

Virtually try on the newest generation of eyewear from the comfort of your home. Discover your ideal style and be among the first to pre-order your chosen frames.

**Highlights:** Virtual eyewear try-on, Explore latest generation frames, Find your perfect fit, Pre-order new styles

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

**In-app purchases:** none


## Frequently asked questions

### Is Active Theory Experiments free?

Active Theory Experiments is free to download, with no in-app purchases.

### Is SPECS free?

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

### Do Active Theory Experiments or SPECS have ads?

Neither Active Theory Experiments nor SPECS shows ads.

### Which is updated more often, Active Theory Experiments or SPECS?

Active Theory Experiments ships an update every 3 days, and SPECS fortnightly. Most recently, Active Theory Experiments was updated on October 7, 2026 and SPECS on October 6, 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.*