# DalSAFE vs Willo Labs Mobile Reader

The clearest difference is update cadence: Willo Labs Mobile Reader at every 2 months against DalSAFE's every 15 months. 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.

DalSAFE ships an update every 15 months, Willo Labs Mobile Reader every 2 months. The most recent releases landed on September 17, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | DalSAFE | Willo Labs Mobile Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.1 (7 ratings)](https://appshunter.io/ios/app/willo-labs-mobile-reader/id1531479900/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 28 MB | 56 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dalhousie University](https://appshunter.io/developer/482431768) | [Willo Labs Inc](https://appshunter.io/developer/1531479902) |

## What reviewers say

### DalSAFE

[App page](https://appshunter.io/ios/app/dalsafe/id927074364)

**In-app purchases:** none


### Willo Labs Mobile Reader

[App page](https://appshunter.io/ios/app/willo-labs-mobile-reader/id1531479900)

This app offers an interactive eBook reading experience with a fresh design. It includes features like image banks and interactivities to enhance learning and allows for book downloads.

**Highlights:** Interactive eBook reading, Stunning new design, Refreshing eBook interface, Book download capabilities, Integrated image banks, Interactivities for engagement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DalSAFE free?

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

### Is Willo Labs Mobile Reader free?

Willo Labs Mobile Reader is free to download, with no in-app purchases.

### Do DalSAFE or Willo Labs Mobile Reader have ads?

Neither DalSAFE nor Willo Labs Mobile Reader shows ads.

### Which is updated more often, DalSAFE or Willo Labs Mobile Reader?

DalSAFE ships an update every 15 months, and Willo Labs Mobile Reader every 2 months. Most recently, DalSAFE was updated on September 17, 2026 and Willo Labs Mobile Reader on June 1, 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.*