# WALHALLA Reader vs SUFX

The clearest difference is in-app purchases: WALHALLA Reader at none against SUFX's 2. SUFX's advantage is update cadence (weekly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SUFX sells 2 in-app purchases, starting at $2.99 per month. WALHALLA Reader asks for nothing beyond the download.

WALHALLA Reader ships an update every 3 months, SUFX weekly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | WALHALLA Reader | SUFX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 18 MB | 85 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Walhalla u. Praetoria Verlag GmbH & Co. KG Mobile Applications](https://appshunter.io/developer/488879174) | [Ilia Gavrichenko](https://appshunter.io/developer/1823404237) |

## What reviewers say

### WALHALLA Reader

[App page](https://appshunter.io/ios/app/walhalla-reader/id1557693051)

**Features:** macOS Compatibility

**In-app purchases:** none


### SUFX

[App page](https://appshunter.io/ios/app/sufx-learn-english-by-reading/id6747918428)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUFX Premium (Monthly) | $2.99 | per month |
| SUFX Premium (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is WALHALLA Reader free?

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

### Is SUFX free?

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

### Do WALHALLA Reader or SUFX have ads?

Neither WALHALLA Reader nor SUFX shows ads.

### Which is updated more often, WALHALLA Reader or SUFX?

WALHALLA Reader ships an update every 3 months, and SUFX weekly. Most recently, WALHALLA Reader was updated on November 7, 2026 and SUFX on November 5, 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.*