# iChecker vs Flow

The clearest difference is review sentiment: iChecker at 100% against Flow's 50%. iChecker also leads on in-app purchases (none vs 3) and rating (5.0 vs 4.5). Flow's advantage is ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Flow sells 3 in-app purchases, starting at $2.99 per month. iChecker asks for nothing beyond the download.

iChecker holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 13 respectively. Written reviews point the same way: 100% of iChecker's written reviews are positive against 50% of Flow's.

iChecker ships an update every 11 days, Flow every 6 days. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | iChecker | Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/ichecker-phone-diagnostics/id6759792908/reviews)** | [4.5 (13 ratings)](https://appshunter.io/ios/app/flow-dns-manager/id6760979700/reviews) |
| Number of ratings | 8 | **13** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 6 days** |
| Monetization | **Free** | Freemium |
| Size | 30 MB | 5 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jignesh Kikani](https://appshunter.io/developer/1815197910) | [CHIRAG DASHARATHBHAI PATEL](https://appshunter.io/developer/1882878313) |

## What reviewers say

### iChecker

[App page](https://appshunter.io/ios/app/ichecker-phone-diagnostics/id6759792908)

This app performs comprehensive hardware diagnostics on your iPhone, checking 39 critical components. It provides an overall health grade and detailed test results, helping you identify potential issues before they become costly repairs.  Generate shareable reports and monitor your device's health over time with routine checks.

**Highlights:** 39 forensic hardware tests, Instant overall health grade, Screen and display checks, Internal sensor diagnostics, Connectivity testing, Weekly diagnostic streak reminders, Shareable PDF reports

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Flow

[App page](https://appshunter.io/ios/app/flow-dns-manager/id6760979700)

Take control of your internet connection system-wide. This app replaces your carrier's default DNS with a faster, smarter one, blocking ads, trackers, and malware without needing a VPN. Choose from multiple DNS providers for enhanced privacy and speed.

**Highlights:** System-wide DNS filtering, Block ads, trackers, and malware, Choose from 8 DNS providers, No VPN required, Privacy-focused, no logs, Custom DNS with subscription

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flow+ | $2.99 | per month |
| Flow+ Yearly | $29.99 | per year |
| Flow Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is iChecker free?

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

### Is Flow free?

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

### Which has better reviews, iChecker or Flow?

iChecker is rated higher. iChecker averages 5.0 out of 5 from 8 ratings, while Flow averages 4.5 from 13 ratings.

### Do iChecker or Flow have ads?

iChecker shows ads; Flow does not.

### Which is updated more often, iChecker or Flow?

iChecker ships an update every 11 days, and Flow every 6 days. Most recently, iChecker was updated on September 13, 2026 and Flow on September 21, 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.*