# Zip Opener vs DoBuff

Zip Opener and DoBuff both sit at 4.7 stars, but that hides the real split: 100% of DoBuff's written reviews are positive against 75% of Zip Opener's. Zip Opener's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Zip Opener sells 6 in-app purchases, starting at $0.99 per 7 days and DoBuff sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Zip Opener against 4.8 for DoBuff. Both are backed by a comparable volume of ratings — 20 and 39 respectively. Written reviews are what separate them: 75% of Zip Opener's written reviews are positive against 100% of DoBuff's.

Zip Opener ships an update every 4 days, DoBuff every 2 weeks. Both last shipped on November 8, 2026.

## The numbers

| Metric | Zip Opener | DoBuff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (20 ratings)](https://appshunter.io/ios/app/zip-opener-password-protected/id6740489124/reviews) | **[4.8 (39 ratings)](https://appshunter.io/ios/app/dobuff-time-management/id6740776035/reviews)** |
| Number of ratings | 20 | **39** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 85 MB | 21 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [婷婷 潘](https://appshunter.io/developer/1514534139) | [宇 李](https://appshunter.io/developer/1552609869) |

## What reviewers say

### Zip Opener

[App page](https://appshunter.io/ios/app/zip-opener-password-protected/id6740489124)

Easily open password-protected ZIP and RAR files, extract 7Z archives, and create your own password-protected ZIP files. Preview documents, images, and media, then manage and share your extracted content.

**Highlights:** Open password-protected ZIP and RAR files, Extract 7Z archives, Create password-protected ZIP files, Preview documents, images, and media, Organize, manage, and share extracted files, Import files from iOS Files app

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $0.99 | per 7 days |
| Monthly | $2.99 | per month |
| Monthly | $3.99 | per month |
| Yearly | $9.99 | per year |
| Zip & Rar & Unzip Pro | $12.99 | one-time |
| Forever | $14.99 | one-time |


### DoBuff

[App page](https://appshunter.io/ios/app/dobuff-time-management/id6740776035)

Enhance your Reminders and Calendar with advanced time management, progress tracking, and goal setting. Visualize tasks on a timeline, utilize unique planning views, and gain insights with trend analytics. Integrates with Health data for comprehensive energy and focus management.

**Highlights:** Timeline task and event display, Weekly, monthly, yearly planning views, Dual tag systems, Focus timers and progress bars, Trend analytics and heatmaps, Calendar event integration, Health and sleep data integration, Widgets for various tracking needs

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $0.99 | per month |
| 年会员 | $2.99 | per year |
| 永久会员 | $9.99 | one-time |


## Frequently asked questions

### Is Zip Opener free?

Zip Opener is free to download, with in-app purchases available.

### Is DoBuff free?

DoBuff is free to download, with in-app purchases available.

### Which has better reviews, Zip Opener or DoBuff?

DoBuff is rated higher. Zip Opener averages 4.7 out of 5 from 20 ratings, while DoBuff averages 4.8 from 39 ratings.

### Do Zip Opener or DoBuff have ads?

Neither Zip Opener nor DoBuff shows ads.

### Which is updated more often, Zip Opener or DoBuff?

Zip Opener ships an update every 4 days, and DoBuff every 2 weeks. Most recently, Zip Opener was updated on November 8, 2026 and DoBuff on November 8, 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.*