Erasmus+ vs Moon Codex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Erasmus+
This app guides users through their international exchange experiences, offering a public feed of tips and events. It provides step-by-step guidance before, during, and after the mobility period. Developed by the European Commission, it aims to simplify administrative procedures for student mobility.
- Mobility journey guidance
- Public feed of peer tips and stories
- Event listings
- Step-by-step exchange support
- Digitized administrative procedures
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The Erasmus+ App will guide you through your mobility journey and allow you to find all the relevant information and services to make your exchange more enriching and smooth. Browse through the public feed full of tips and stories from your peers as well as events and deals offered by student organisations! Or log in and benefit from the Erasmus+ Journey that will offer step by step guidance and information throughout the mobility - before, during and after the exchange. The Erasmus+ App is brought to you by the European Commission as part of the European Student Card Initiative established to digitise and simplify the administrative procedures in student mobility!
Moon Codex
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Starting something new? Wondering if today's the right day to sign that contract? Check tonight's moon before a big decision, or look up the exact phase on the day you were born. Moon Codex puts two centuries of precise lunar data on your device — phases, transits, and Void of Course periods, accurate to the minute. No internet, no accounts, no tracking. PLAN AROUND THE LUNAR CYCLE Check tonight's phase and sign before making decisions. See exactly when the next transit or VOC period starts. Weekday labels and upcoming event lists make it easy to plan days ahead without flipping through calendars. LOOK UP ANY DATE FROM 1900 TO 2100 Slide to any date across two centuries or step month by month. Tap the moon to snap back to today. Every sign change, phase shift, and VOC window is timed to the minute — useful for chart work, journaling, or just satisfying your curiosity about a specific date. LEARN AT YOUR OWN PACE The built-in Codex covers moon phases, zodiac signs, planets, aspects, Void of Course, and practical timing — 40+ articles written plainly, without jargon walls. Tap any event in your timeline and jump straight to the article that explains it. KEEP IT ON YOUR HOME SCREEN Three widget sizes plus a lock screen widget. Full iOS 26 tinting and translucent support. Glance at the current phase without opening the app. NOTHING HIDDEN ± 1 minute accuracy from professional ephemeris-grade algorithms. No ads. No subscriptions. No analytics. Dark mode throughout. Runs on iPhone and iPad with full landscape support on both (also on Mac, built for iPad). Buy it once and it just works.
Screenshots
Verdict
The clearest difference is price: Erasmus+ at Free against Moon Codex's $4.99. Erasmus+ also leads on iOS requirement (15.6 vs 18.6). On update cadence, ads, 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
Erasmus+ is free to download; Moon Codex costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.
| Parameter | Erasmus+ | Moon Codex |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 14.7% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.6 |
| Further details — not scored | ||
| Size | 17 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | European Union Apps | BOGDAN GEORGE BARBUS |
In-app purchases
Erasmus+
No in-app purchases
Moon Codex
No in-app purchases









