# Haihaisoft Reader vs ToughSync

The clearest difference is in-app purchases: Haihaisoft Reader at none against ToughSync's 1. Haihaisoft Reader also leads on iOS requirement (6.1 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. ToughSync sells 1 one-off in-app purchase. Haihaisoft Reader asks for nothing beyond the download.

## The numbers

| Metric | Haihaisoft Reader | ToughSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (5 ratings)](https://appshunter.io/ios/app/haihaisoft-reader/id437433430/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 21 MB | 110 MB |
| Requires iOS | **6.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [海波 师](https://appshunter.io/developer/437433433) | [Enfold Systems, Inc.](https://appshunter.io/developer/1532078799) |

## What reviewers say

### Haihaisoft Reader

[App page](https://appshunter.io/ios/app/haihaisoft-reader/id437433430)

A free PDF reader for iOS devices that offers fast launch speeds. It can also open PDF documents protected by DRM-X 3.0. Requires iOS 6 or later.

**Highlights:** Free PDF document reader, Fast launch speed, DRM-X 3.0 protected PDF support, iOS compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### ToughSync

[App page](https://appshunter.io/ios/app/toughsync/id1596366653)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| enable premium features | $3.99 | one-time |


## Frequently asked questions

### Is Haihaisoft Reader free?

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

### Is ToughSync free?

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

### Do Haihaisoft Reader or ToughSync have ads?

Neither Haihaisoft Reader nor ToughSync shows ads.

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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.*