Citizen US vs SAMPE Journal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Citizen US
Prepare for the US Citizenship and UK Citizenship tests with a comprehensive study tool. Access hundreds of civics questions covering government, history, and integrated civics, with mock tests and detailed statistics. Learn efficiently on the go to pass your exam.
- USCIS naturalization test questions
- UK British Citizenship exam prep
- Learning by topics
- Mock tests
- Detailed statistics
- Civics question categories
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Why Citizen US? • SMART LEARNING Learn more efficiently with the intelligent learning algorithm SELECT developed by the Max Planck Institute. Based on research from the institute, the algorithm optimizes the selection of your questions. This helps you retain information up to 69% better. Its effectiveness has been proven in a study with over 50,000 learners and published in "npj Science of Learning". · Learning & flashcard system: Review specific topics, save favorites and master even difficult questions · Detailed explanations & helpful tips: Build a solid understanding of the material · 1:1 exam simulations: Experience a realistic exam situation · Visual progress tracking: Monitor your learning success at a glance · Offline learning: No internet? No problem! Learn anytime, anywhere · 24/7 support: Questions? Our team is available around the clock • PLAYFUL LEARNING Achieve new successes every day. · Collect trophies and achievements · Compete with other learners in the ranking • TEST-RELEVANT CONTENT The app covers all key topics of the U.S. Naturalization Test. · American Government · American History · Integrated Civics Also included: preparation for the UK 'Life in the UK' citizenship test. • UP TO DATE We are not an official government agency, nor do we represent one. The content of this app is based on reliable sources. We update the app regularly so you always learn with the newest questions. • GOOD TO KNOW Please note that questions not included in the app may also appear on the test. • SUBSCRIPTION & PAYMENT The app is free, financed by ads, and requires no purchase. If you don't like ads, you can remove them with an in-app purchase. Your subscription is billed through your Apple ID and renews automatically. You can deactivate automatic renewal at least 24 hours before the end of the current billing period. The renewal fee will be charged to your Apple ID within 24 hours before the end of the current period. You can manage your subscription at any time in your Apple ID settings. You can cancel auto-renewal at any time; your access continues until the end of the current billing period, with no pro-rata refund. You can find our terms of use at https://www.swift.ch/tos?lge=en and our Privacy Policy at https://www.swift.ch/policy?lge=en. LET’S GO! Get Citizen US now and prepare optimally for your Naturalization Test! Got feedback or suggestions? Email us anytime at support@swift.ch.
SAMPE Journal
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The SAMPE Journal provides you with the latest global information as the premier society publication covering materials and process engineering advancement. Extensive coverage across materials industries, market divisions, and applications of leading-edge technologies. The SAMPE Journal is published bi-monthly, with six issues a year by the Society for the Advancement of Material and Process Engineering (SAMPE). Digital subscriptions are free.
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Verdict
The clearest difference is in-app purchases: SAMPE Journal at none against Citizen US's 1. SAMPE Journal also leads on iOS requirement (11.0 vs 18.4). Citizen US's advantage is update cadence (every 5 days vs every 13 months). On price, ads 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
Both are free to download. Citizen US sells 1 in-app purchase, starting at $1.99 per month. SAMPE Journal asks for nothing beyond the download.
Citizen US ships an update every 5 days, SAMPE Journal every 13 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.
| Parameter | Citizen US | SAMPE Journal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (658 ratings) — better | — |
| Positive reviews | 77.8% of reviews | — |
| Number of ratings | 658 — better | — |
| Update frequency | Every 5 days — better | Every 13 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 67 MB | 44 MB |
| Age rating | 12+ | 4+ |
| Developer | Vexo AG | SAMPE |
In-app purchases
Citizen US
- Citizenship - No Ads - 1 Month$1.991 Month
SAMPE Journal
No in-app purchases
Questions
Is Citizen US free?
Is SAMPE Journal free?
Do Citizen US or SAMPE Journal have ads?
Which is updated more often, Citizen US or SAMPE Journal?
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