# Dolphin for Good Technology vs Flip PDF Reader

The clearest difference is update cadence: Dolphin for Good Technology at every 2 months against Flip PDF Reader's every 11 months. Dolphin for Good Technology also leads on iOS requirement (5.0 vs 12.0). 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.

Dolphin for Good Technology ships an update every 2 months, Flip PDF Reader every 11 months. The most recent releases landed on October 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Dolphin for Good Technology | Flip PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flip-pdf-reader/id1095211078/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | — | Free |
| Size | 23 MB | 5 MB |
| Requires iOS | **5.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [MoboTap Inc.](https://appshunter.io/developer/433626481) | [Wonder Idea](https://appshunter.io/developer/588666277) |

## What reviewers say

### Dolphin for Good Technology

[App page](https://appshunter.io/ios/app/dolphin-for-good-technology/id680446205)

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

**In-app purchases:** none


### Flip PDF Reader

[App page](https://appshunter.io/ios/app/flip-pdf-reader/id1095211078)

This application allows users to read digital publications created by a specific series of software on their mobile devices. It facilitates offline access to flipbooks transferred via iTunes.

**Highlights:** Offline reading of flipbooks, Transfer via iTunes, Supports iPad and iPhone, View publications from FlipPDF Series

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dolphin for Good Technology free?

Dolphin for Good Technology is free to download, with no in-app purchases.

### Is Flip PDF Reader free?

Flip PDF Reader is free to download, with no in-app purchases.

### Do Dolphin for Good Technology or Flip PDF Reader have ads?

Neither Dolphin for Good Technology nor Flip PDF Reader shows ads.

### Which is updated more often, Dolphin for Good Technology or Flip PDF Reader?

Dolphin for Good Technology ships an update every 2 months, and Flip PDF Reader every 11 months. Most recently, Dolphin for Good Technology was updated on October 24, 2026 and Flip PDF Reader on October 2, 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.*