Chartmasters vs RxAce
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chartmasters
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CHARTMASTER – THE EXPLORER'S GEOGRAPHY QUIZ Do you know your flags? Your capitals? Can you pinpoint Ulaanbaatar on a map, or recognize the flag of São Tomé and Príncipe? Chartmaster puts your geography knowledge to the ultimate test. FOUR GAME MODES - Flags – Identify the country from its flag - Capitals – Name the capital city of the nation - Map – Tap the correct country on the world map - Landmarks & Cities – Find famous places on the map THREE DIFFICULTY LEVELS Start easy with well-known countries and landmarks, work your way up to medium, or go full hard mode with obscure nations and forgotten capitals that will challenge even the most seasoned traveler. SPEED MATTERS Answer fast, score big. Every correct answer earns up to 1000 points based on how quickly you respond. Maximum score per round: 10 000 points. Beat your personal best and climb the rankings. QUICK DUEL Jump into a Quick Duel and go head-to-head against another explorer. No account needed. No sign-up. Just pure geography knowledge. ALL 195 COUNTRIES Every country in the world is included. From France to Fiji, Norway to Nauru – no country is left behind. 300+ LANDMARKS AND CITIES Test your knowledge of the world's most famous landmarks and cities – from the Eiffel Tower to Göbekli Tepe, from Tokyo to Timbuktu. GEOGUESSR-STYLE MAP FEEDBACK Tap the wrong country? See exactly how far off you were with an animated line showing the distance between your guess and the correct answer. 5 LANGUAGES Play in English, Norwegian, German, French or Spanish. PRIVATE BY DESIGN No account. No ads. No tracking. Everything stays on your device. Just you and the world. DAILY STREAK Come back every day and keep your streak alive. How many days in a row can you explore? Whether you are a geography nerd, a frequent traveler, a student, or just someone who wants to learn more about the world – Chartmaster is for you. Plant your flag. Explore the world.
RxAce
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I'm a pharmacy student, and I built RxAce because I wanted a study app that gets straight to the point — no subscriptions, no accounts, no ads. Pay once, study anywhere, even offline. WHAT'S INSIDE • NAPLEX-STYLE PRACTICE — 60 original exam-style questions across the five areas students struggle with most: Calculations, Pharmacotherapy, Biostatistics & Literature Evaluation, Compounding, and Medication Safety & Counseling. Every question includes a full worked explanation, because the explanation is where the learning happens. • 225 DRUG FLASHCARDS — the brand names, generics, drug classes, and indications you actually see in practice and on the exam. Tap to flip, filter by drug class, and let the built-in mastery system resurface the ones you miss. • QUICK QUIZZES — 10-question rounds: brand→generic, generic→brand, drug→class, and sig codes. Instant feedback on every answer. • SIG CODE REFERENCE — 69 pharmacy abbreviations (frequencies, routes, dosage forms, measures) in a searchable list. Great for interns and technicians too. • PROGRESS TRACKING — accuracy by category, drugs mastered, a 7-day study chart, and a daily streak to keep you honest. Everything runs on your phone. No sign-up, no data collection, no internet required. One price, all of it, forever. Made by a pharmacy student, for pharmacy students. Good luck — you've got this. NAPLEX® is a registered trademark of the National Association of Boards of Pharmacy (NABP). This app is an independent study aid and is not affiliated with or endorsed by NABP. It is a study tool and does not guarantee exam results; always verify clinical information against primary references.
Screenshots
Verdict
The clearest difference is price: Chartmasters at Free against RxAce's $0.99. Chartmasters also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On ads and in-app purchases 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
Chartmasters is free to download; RxAce costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Chartmasters | RxAce |
|---|---|---|
| Price | Free — better | $0.99 |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 1 MB |
| Age rating | 4+ | 17+ |
| Developer | Marius Karlsen | Karan Kohli |
In-app purchases
Chartmasters
No in-app purchases
RxAce
No in-app purchases









