# ZIP Opener・File Reader vs Moleculist

The clearest difference is in-app purchases: Moleculist at none against ZIP Opener・File Reader's 4. Moleculist also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 13 months). ZIP Opener・File Reader's advantage is review sentiment (100% vs 78%) and rating (4.8 vs 4.6). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. ZIP Opener・File Reader sells 4 in-app purchases, starting at $1.99 per 7 days. Moleculist asks for nothing beyond the download.

ZIP Opener・File Reader holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 19 and 17 respectively. Written reviews point the same way: 100% of ZIP Opener・File Reader's written reviews are positive against 78% of Moleculist's.

ZIP Opener・File Reader ships an update every 13 months, Moleculist every 2 weeks. The most recent releases landed on September 18, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | ZIP Opener・File Reader | Moleculist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (19 ratings)](https://appshunter.io/ios/app/zip-openerfile-reader/id6738324911/reviews)** | [4.6 (17 ratings)](https://appshunter.io/ios/app/moleculist/id6747411859/reviews) |
| Number of ratings | **19** | 17 |
| Positive reviews | **100.0% of reviews** | 77.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 13 MB | 142 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [Bijjol Rambhia Kiran](https://appshunter.io/developer/1821354717) |

## What reviewers say

### ZIP Opener・File Reader

[App page](https://appshunter.io/ios/app/zip-openerfile-reader/id6738324911)

Easily open and extract ZIP files, including those with passwords. Organize and share your extracted files efficiently with a history tracking feature. Enjoy a smooth experience managing compressed files.

**Highlights:** Open ZIP files, Extract password-protected ZIPs, File management, Selective sharing, History tracking

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZIP Extractor Pro | $1.99 | per 7 days |
| ZIP Opener Pro - 1Y | $19.99 | per year |
| Offering for New Users | $19.99 | one-time |
| ZIP Opener Pro | $39.99 | one-time |


### Moleculist

[App page](https://appshunter.io/ios/app/moleculist/id6747411859)

Organize your life by transforming interests into a cosmic, animated universe. Track books, movies, plants, food, games, people, and more with visually stunning displays and effortless data entry. Seamlessly integrate with other apps to capture discoveries and memories.

**Highlights:** Molecular home screen with animated universe, One-tap adding for various life elements, Automatic data extraction from websites, Detailed tracking with notes and tags, Seamless iPad experience, Smart sharing via Share Sheet, Export and backup functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is ZIP Opener・File Reader free?

ZIP Opener・File Reader is free to download, with in-app purchases available.

### Is Moleculist free?

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

### Which has better reviews, ZIP Opener・File Reader or Moleculist?

ZIP Opener・File Reader is rated higher. ZIP Opener・File Reader averages 4.8 out of 5 from 19 ratings, while Moleculist averages 4.6 from 17 ratings.

### Do ZIP Opener・File Reader or Moleculist have ads?

ZIP Opener・File Reader shows ads; Moleculist does not.

### Which is updated more often, ZIP Opener・File Reader or Moleculist?

ZIP Opener・File Reader ships an update every 13 months, and Moleculist every 2 weeks. Most recently, ZIP Opener・File Reader was updated on September 18, 2026 and Moleculist on August 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*