# Boost Cleaner vs Phage Study

The clearest difference is rating: Phage Study at 5.0 against Boost Cleaner's 4.4. Phage Study also leads on in-app purchases (none vs 2) and ads (none vs shown). Boost Cleaner's advantage is ratings volume (5 vs 1). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Boost Cleaner sells 2 in-app purchases, starting at $4.99 per 7 days. Phage Study asks for nothing beyond the download.

Phage Study holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Boost Cleaner has 5 ratings behind it against 1, so its average is the more settled of the two.

Boost Cleaner ships an update every 4 months, Phage Study every 5 months. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Boost Cleaner | Phage Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/boost-cleaner-clean-up-smart/id1555855832/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/phage-study/id1658579818/reviews)** |
| Number of ratings | **5** | 1 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 61 MB | 59 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [AEGIS SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1533757155) | [Adaptive Phage Therapeutics, Inc](https://appshunter.io/developer/1575574864) |

## What reviewers say

### Boost Cleaner

[App page](https://appshunter.io/ios/app/boost-cleaner-clean-up-smart/id1555855832)

This utility app helps declutter your device by identifying and removing duplicate or similar photos and videos. It also offers tools for managing and merging contacts, and provides device storage information. Clean your phone with a single touch.

**Highlights:** Duplicate photo and video removal, Similar media analysis, Contact merging and cleanup, Contact backup and restore, Device storage information, One-touch cleaning

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe Weekly | $4.99 | per 7 days |
| Subscribe Monthly | $9.99 | per month |


### Phage Study

[App page](https://appshunter.io/ios/app/phage-study/id1658579818)

Access information about clinical studies focused on using bacteriophages to combat multi-drug resistant infections. This utility provides details on ongoing research and treatment approaches.

**Highlights:** Clinical study information, Phage therapy details, Multi-drug resistant infections, Research updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Boost Cleaner free?

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

### Is Phage Study free?

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

### Which has better reviews, Boost Cleaner or Phage Study?

Phage Study is rated higher. Boost Cleaner averages 4.4 out of 5 from 5 ratings, while Phage Study averages 5.0 from 1 ratings.

### Do Boost Cleaner or Phage Study have ads?

Boost Cleaner shows ads; Phage Study does not.

### Which is updated more often, Boost Cleaner or Phage Study?

Boost Cleaner ships an update every 4 months, and Phage Study every 5 months. Most recently, Boost Cleaner was updated on October 6, 2026 and Phage Study 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.*