Comparison

iChecker vs Flow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iChecker

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
Read full description

Is your iPhone actually healthy — or is a silent failure waiting to cost you? iChecker runs 39 forensic-level diagnostic tests to expose hidden damage, dead pixels, and failing sensors before they become expensive repairs. Whether you're verifying a used iPhone before buying, confirming a screen repair was done correctly, or keeping your daily driver at peak performance — stop guessing. Start knowing. INSTANT DIAGNOSIS Tap once. Get an instant A+ to F overall health grade across every critical hardware system. No technical expertise required — just a clear, honest answer about your device's true condition. 39 FORENSIC HARDWARE TESTS • Screen & Display — multi-touch precision, dead pixel grid scan, brightness uniformity • Internal Sensors — Face ID, gyroscope, accelerometer, magnetometer, proximity sensor • Connectivity — Wi-Fi signal strength, Bluetooth, cellular routing, GPS accuracy • Hardware — front & rear microphones, all camera lenses, physical buttons, speakers DIAGNOSTIC STREAK — PREVENTATIVE CARE iChecker features the first-of-its-kind Weekly Streak system for iOS. Get intelligent reminders to run routine hardware checks. Monitor your iPhone's health over time and catch components showing early signs of failure — before a minor issue becomes a costly breakdown. SHAREABLE PDF REPORTS Generate a beautifully formatted, timestamped PDF proof report summarizing every passed and failed test. Share it instantly as undeniable evidence of your device's condition — essential for anyone buying or selling a used iPhone. WIDGETS & PREMIUM THEMES Monitor your weekly diagnostic streak directly from your home screen with sleek iOS widgets. Customize the full app interface with premium themes: Cyber Teal, Aurora Purple, Neon Indigo, and Classic Blue. All 39 tests run locally on your device. No cloud uploads. No account required. Your diagnostic data never leaves your iPhone. Privacy Policy: https://local-scan-shield.lovable.app Terms of use: https://www.apple.com/legal/internet-services/terms/site.html

About

Flow

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
Read full description

Flow — DNS Manager _______________________ Take control of your internet. Flow replaces your carrier's default DNS with a faster, smarter one — system-wide across every app on your iPhone. No VPN. No complicated setup. Just pick a provider and go. 8 DNS Providers Choose from ControlD, Cloudflare, Quad9, Google, AdGuard, Mullvad, CleanBrowsing, and OpenDNS — each built for a different purpose. Block ads, stop trackers, filter malware, or just go fast. Flow+ — The Complete Experience Unlock the full power of Flow with a subscription: · Custom DNS — use NextDNS, Pi-hole, or any server you choose · DNS Benchmark — find the fastest provider for your network · Per-Network Auto-Switch — different DNS for every WiFi network, automatically · Home Screen Widgets — see your active provider at a glance · 5 Themes — Void, Midnight, Aurora, Crimson, Obsidian · Priority Access — first in line for new providers and features Built for Privacy Flow never reads your DNS queries. It tells iOS which server to use and gets out of the way. No logs. No tracking. No data collected by the app. Everything runs on your device. Works Everywhere System-wide DNS filtering covers every app — Safari, Chrome, games, everything. WiFi and cellular. Flow+ available as monthly ($1.99) or yearly ($14.99) subscription. Manage anytime in Settings → Apple ID → Subscriptions. IMPORTANT Privacy Policy: flowprivacy.rift.lat Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

iChecker4 screens
Flow4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
iChecker versus Flow: the parameters behind the verdict, then further details
ParameteriCheckerFlow
PriceFreeFree
Rating5.0 (8 ratings) — better4.5 (13 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings813 — better
Update frequencyEvery 11 daysEvery 6 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better18.0
Further details — not scored
Size30 MB5 MB
Age rating4+4+
DeveloperJignesh KikaniCHIRAG DASHARATHBHAI PATEL

Customer experience

iChecker

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Flow

All ratings13 ratings
Positive84.6%
Neutral7.7%
Negative7.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

iChecker

No in-app purchases

3 purchases

Flow

Subscriptions2
  • Flow+$2.991 Month
  • Flow+ Yearly3 Days trial$29.991 Year
One-time1
  • Flow Lifetime$6.99

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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