Comparison

Case Tracker for USCIS Cases vs EPA 608 Certification Prep

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

Head to head
About

Case Tracker for USCIS Cases

This app provides real-time updates on your USCIS case status, offering historical insights and the ability to track multiple immigration applications in one place. Its user-friendly interface makes it easy to monitor visa applications, green card petitions, and work authorizations.

Highlights
  • Real-time case status updates
  • Historical case progression insights
  • Track multiple USCIS cases
  • User-friendly interface
  • Supports various USCIS case types
  • Easy receipt number setup
Features
Read full description

Stay up-to-date with your USCIS case status in real time using the USCIS Case Tracker app. Whether you're awaiting a green card, EAD, or any other immigration benefit, this app empowers you with instant access to your case status information, helping you stay informed throughout the process. Key Features: - Real-Time Tracking: Get instant updates on your USCIS case status as they happen. The latest information is delivered straight to your device. - Historical Insights: Gain valuable insights into the progression of your case over time. Review historical updates and changes to understand the status changes and trends. - Multiple Cases, One App: Easily track multiple USCIS cases within the same app. Effortlessly manage all your applications from a single, convenient location. - User-Friendly Interface: Our intuitive design makes navigating the app a breeze. Enter your case details effortlessly and access your status updates with ease. - Wide Coverage: Track a variety of USCIS case types, including visa applications, green card petitions, work authorizations, and more. - Easy Setup: Simply input your receipt number and let the app retrieve your case information automatically. It's hassle-free and efficient. Disclaimer: The USCIS Case Status Tracker app is designed to provide users with convenient access to their case status information. This app is not affiliated with the United States Citizenship and Immigration Services (USCIS) or any government agency. The information provided in this app is sourced from publicly available data and is intended for general informational purposes only. While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, or reliability of the information provided. Users are encouraged to verify case status information directly with the official USCIS website or other official channels. The use of this app does not create an attorney-client relationship. For legal advice or assistance with immigration matters, it is recommended to consult with a qualified immigration attorney. By using this app, you agree that Case Tracker for USCIS Cases is not responsible for any inaccuracies, delays, or actions taken based on the information provided within the app.

About

EPA 608 Certification Prep

Features
Read full description

Need your EPA 608 certification to handle refrigerants on the job? Overwhelmed by Core, Type I, II, III, and Universal sections? EPA 608 Certification Prep gives you 150 practice questions with clear explanations and 40 CFR citations on most regulatory items — built so you can prepare for your certification exam with confidence. WHAT'S INCLUDED: Practice Mode - 150 multiple-choice questions across 21 subtopics, every answer paired with an explanation and, where applicable, a 40 CFR Part 82 citation. - Drill into Core, Type I, Type II, or Type III separately, or sweep across the whole bank. - Track your accuracy by category to find weak areas before the real test. Mock Exams - Timed mock exams for Core, Type I, Type II, and Type III. - Question grid + flag-for-review during the exam, just like the official testing format. - Diagnostic results with a section-by-section breakdown and pass/fail readout against the EPA cutoffs. Reference Library - Refrigerants: HFC / HCFC / HFO / blends with ASHRAE class, GWP, ODP, and replacement charts. - Regulations: 40 CFR Part 82 Subparts A through F, summarized with section anchors. - Recovery Equipment: high-pressure, low-pressure, and very-low-pressure machine requirements. - Leak Repair: trigger thresholds, repair timelines, verification testing. - Safety: PPE, refrigerant exposure limits, oxygen-deprivation and decomposition products. WHO IS IT FOR: - HVAC apprentices preparing for EPA 608 Certification - Working technicians refreshing for Universal upgrade or re-certification - Vocational students and trade-school attendees - Service managers brushing up on current regulation WHY TECHS LOVE IT: - Fully offline — works in basements, attics, equipment rooms, and job sites with no signal. - No ads, no tracking, no subscription traps. - Real CFR citations on every answer so you can verify the source. - One-time unlock for the full question bank, every mock exam, and the full reference library. - Clean UI designed for one-handed use on a phone in a service van. ONE-TIME UNLOCK: Unlock Full Certification Prep is a single $14.99 USD non-consumable in-app purchase. It unlocks all 150 questions, every mock exam, and the full reference library forever on your Apple ID. No recurring fees. Practice questions are modeled on the EPA 608 certification exam format and built around the public 40 CFR Part 82 regulations. This app is a study aid; certification is awarded by an EPA-approved test administrator. Download EPA 608 Certification Prep and put your study sessions in your pocket.

Screenshots

Case Tracker for USCIS Cases4 screens
EPA 608 Certification Prep4 screens

Verdict

The call

The clearest difference is ads: EPA 608 Certification Prep at none against Case Tracker for USCIS Cases's shown. EPA 608 Certification Prep also leads on update cadence (every 2 weeks vs every 5 weeks). Case Tracker for USCIS Cases's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases 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. Case Tracker for USCIS Cases sells 3 one-off in-app purchases and EPA 608 Certification Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Case Tracker for USCIS Cases ships an update every 5 weeks, EPA 608 Certification Prep every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Case Tracker for USCIS Cases versus EPA 608 Certification Prep: the parameters behind the verdict, then further details
ParameterCase Tracker for USCIS CasesEPA 608 Certification Prep
PriceFreeFree
Rating4.8 (7.3K ratings) — better—
Positive reviews67.1% of reviews—
Number of ratings7.3K — better—
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size82 MB3 MB
Age rating17+4+
DeveloperPraven MoorthyShanghai Sheyuan Network Technology Co., Ltd.

Bugs and requests

Case Tracker for USCIS Cases

Reported bugs

2 issues
  • Errors when trying to add cases
  • Inability to view case history

Requested features

2 requests
  • Dark mode option
  • Improved connectivity and reliability

EPA 608 Certification Prep

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Case Tracker for USCIS Cases

One-time3
  • Buy me coffee!2 variants$2.99
  • Buy me snacks!$5.99
  • Buy me lunch!$9.99
1 purchases

EPA 608 Certification Prep

One-time1
  • Unlock Full Certification Prep$9.99

Questions

Is Case Tracker for USCIS Cases free?
Case Tracker for USCIS Cases is free to download, with in-app purchases available.
Is EPA 608 Certification Prep free?
EPA 608 Certification Prep is free to download, with in-app purchases available.
Do Case Tracker for USCIS Cases or EPA 608 Certification Prep have ads?
Case Tracker for USCIS Cases shows ads; EPA 608 Certification Prep does not.
Which is updated more often, Case Tracker for USCIS Cases or EPA 608 Certification Prep?
Case Tracker for USCIS Cases ships an update every 5 weeks, and EPA 608 Certification Prep every 2 weeks. Most recently, Case Tracker for USCIS Cases was updated on October 30, 2026 and EPA 608 Certification Prep on October 31, 2026.

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