# Shiftestcore vs OneSafe Blocker

The clearest difference is review sentiment: OneSafe Blocker at 95% against Shiftestcore's 0%. OneSafe Blocker also leads on rating (4.5 vs 2.0) and update cadence (every 4 days vs every 3 weeks). Shiftestcore's advantage is monetization model (free with in-app purchases vs subscription). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Shiftestcore sells 3 in-app purchases, starting at $7.99 per 7 days and OneSafe Blocker sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OneSafe Blocker holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: OneSafe Blocker has 139 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Shiftestcore's written reviews are positive against 95% of OneSafe Blocker's.

Shiftestcore ships an update every 3 weeks, OneSafe Blocker every 4 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Shiftestcore | OneSafe Blocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (5 ratings)](https://appshunter.io/ios/app/shiftestcore/id6450007410/reviews) | **[4.5 (139 ratings)](https://appshunter.io/ios/app/onesafe-blocker/id6463124875/reviews)** |
| Number of ratings | 5 | **139** |
| Positive reviews | 0.0% of reviews | **94.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 52 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OANA RADU](https://appshunter.io/developer/1691514492) | [Nexacore LTD](https://appshunter.io/developer/1699567067) |

## What reviewers say

### Shiftestcore

[App page](https://appshunter.io/ios/app/shiftestcore/id6450007410)

Test your device's screen, camera, sensors, sound, and connectivity. Identify and optimize performance issues with an intuitive interface. Ensure your device is functioning optimally.

**Highlights:** Screen quality testing, Camera functionality assessment, Motion sensor analysis, Sound output check, Connectivity testing, Performance optimization

**Features:** macOS Compatibility, Safari Extension

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| subscription | $7.99 | per 7 days |
| subscription | $29.99 | per month |
| subscription | $49.99 | per 3 months |


### OneSafe Blocker

[App page](https://appshunter.io/ios/app/onesafe-blocker/id6463124875)

This app provides a seamless and ad-free browsing experience by blocking disruptive advertisements across websites and applications. It enhances online privacy by preventing tracking scripts and cookies, offering a clean and distraction-free environment for all your online activities.

**Highlights:** Effortless ad blocking, Enhanced privacy protection, User-friendly interface, Regular updates, Blocks tracking scripts and cookies

**Features:** macOS Compatibility, Safari Extension

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One week adblock subscription | $9.99 | per 7 days |
| One month adblock subscription | $19.99 | per month |
| One year adblock subscription | $59.99 | per year |

**What reviewers like**

- 🚀 Efficient ad blocking
- 👍 Easy to use
- 🔒 Blocks unwanted redirects and pop-ups
- 👍 Comfortable and convenient
- 🚀 Fast and smooth performance

**What reviewers complain about**

- 🐛 Doesn't always block ads in certain apps or galleries
- 🐛 Notification for blocked pop-ups can be intrusive

**Reported bugs**

- Occasional freezing or issues with certain websites
- Compatibility problems with older devices

**Requested features**

- Option to disable pop-up block notification
- Expand ad blocking capabilities to more apps and platforms


## Frequently asked questions

### Is Shiftestcore free?

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

### Is OneSafe Blocker free?

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

### Which has better reviews, Shiftestcore or OneSafe Blocker?

OneSafe Blocker is rated higher. Shiftestcore averages 2.0 out of 5 from 5 ratings, while OneSafe Blocker averages 4.5 from 139 ratings.

### Do Shiftestcore or OneSafe Blocker have ads?

Neither Shiftestcore nor OneSafe Blocker shows ads.

### Which is updated more often, Shiftestcore or OneSafe Blocker?

Shiftestcore ships an update every 3 weeks, and OneSafe Blocker every 4 days. Most recently, Shiftestcore was updated on October 13, 2026 and OneSafe Blocker on October 12, 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.*