# CrystalGen vs NAIIVE

The clearest difference is price: NAIIVE at Free against CrystalGen's $2.99. NAIIVE also leads on update cadence (monthly vs every 38 months) and device support (4 vs 2). CrystalGen's advantage is iOS requirement (17.2 vs 26.0). On ads and in-app purchases there is nothing between them.

NAIIVE is free to download; CrystalGen costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CrystalGen ships an update every 38 months, NAIIVE monthly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CrystalGen | NAIIVE |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/naiive/id6758065886/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Monthly** |
| Monetization | — | Free |
| Size | 3 MB | 48 MB |
| Requires iOS | **17.2** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Steve Kliewer](https://appshunter.io/developer/1255655631) | [Rui Zhou](https://appshunter.io/developer/1089847701) |

## What reviewers say

### CrystalGen

[App page](https://appshunter.io/ios/app/crystalgen/id1589074466)

**Features:** macOS Compatibility

**In-app purchases:** none


### NAIIVE

[App page](https://appshunter.io/ios/app/naiive/id6758065886)

This tool visualizes and analyzes atomistic simulations. It supports various scientific formats like LAMMPS, VASP, and GAMESS, along with machine-learning force field formats. It's designed for researchers and students in scientific fields.

**Highlights:** Atomistic simulation visualization, Analysis tool, LAMMPS support, VASP support, GAMESS support, Machine-learning format support

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is CrystalGen free?

CrystalGen costs $2.99, with no in-app purchases.

### Is NAIIVE free?

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

### Do CrystalGen or NAIIVE have ads?

Neither CrystalGen nor NAIIVE shows ads.

### Which is updated more often, CrystalGen or NAIIVE?

CrystalGen ships an update every 38 months, and NAIIVE monthly. Most recently, CrystalGen was updated on October 27, 2026 and NAIIVE on October 31, 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.*