# calcMod vs Univerzoom 3D

The clearest difference is update cadence: Univerzoom 3D at every 2 months against calcMod's every 36 months. calcMod's advantage is price ($1.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

calcMod costs $1.99 and Univerzoom 3D $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

calcMod ships an update every 36 months, Univerzoom 3D every 2 months. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | calcMod | Univerzoom 3D |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | — | **[4.8 (289 ratings)](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156/reviews)** |
| Number of ratings | — | **289** |
| Positive reviews | — | 97.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 1 MB | 255 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alain Cardinaux](https://appshunter.io/developer/1443066124) | [Linda Schnetzinger](https://appshunter.io/developer/1479825448) |

## What reviewers say

### calcMod

[App page](https://appshunter.io/ios/app/calcmod-blk/id1445938178)

**Features:** macOS Compatibility

**In-app purchases:** none


### Univerzoom 3D

[App page](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156)

Explore the vastness of the universe and the intricacies of the microcosmos with intuitive touch controls. Compare celestial bodies, everyday objects, and subatomic particles to grasp their true scale. Discover fascinating facts and learn about the cosmos and beyond.

**Highlights:** Intuitive gesture-based scaling, Explore universe to atomic levels, Compare sizes of diverse objects, Learn facts about celestial bodies, Text-to-Speech for facts, External resource links

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is calcMod free?

calcMod costs $1.99, with no in-app purchases.

### Is Univerzoom 3D free?

Univerzoom 3D costs $2.99, with no in-app purchases.

### Do calcMod or Univerzoom 3D have ads?

Neither calcMod nor Univerzoom 3D shows ads.

### Which is updated more often, calcMod or Univerzoom 3D?

calcMod ships an update every 36 months, and Univerzoom 3D every 2 months. Most recently, calcMod was updated on October 3, 2026 and Univerzoom 3D on October 17, 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.*