Ethercache vs Ship's Log byCaptainMJ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ethercache
Create and hide digital messages at real-world locations for others to discover. This app offers a modern take on scavenger hunts and geocaching, allowing global participation.
- Create digital messages at specific locations
- Modern twist on geocaching
- Global scavenger hunt functionality
- User-generated content
- Location-based message embedding
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Ethercache is the world's first digital scavenger hunt, a mobile app that allows you to store hidden messages around the planet, a modern twist on geocaching. Just give it a try! We think you'll love it. How to use Ethercache: 1) Go to the place you wish to hide your message. 2) Open Ethercache on your iOS device. 3) Touch the "+" button and wait for the purple pin to drop. 4) Give your new ethercache a name, and a message by touching the info button. 5) Nudge your ethercache a little - but not too far! 6) "Embed" your ethercache. 7) Your ethercache is now available at that location for anyone to find. 8) Have fun! FAQ: Q: Just what is Ethercache good for? A: Ethercache is fun! You can use it for a scavenger hunt, to supplement a geocaching trip, or just to have fun with your friends and family. Q: Who uses this thing??? A: People all around the world! In the country and in the city, there are user-generated ethercaches in dozens of countries across 6 continents (we're still waiting for someone to leave an ethercache at the south pole!). Q: Will Ethercache steal all my personal data? A: No! What you choose to leave behind will be available to anybody to find, but apart from that, we don't use or store any personally identifiable information. And none of the messages you enter are stored on your device.
Ship's Log byCaptainMJ
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ShipsLog makes it effortless to record every voyage — from short coastal hops to long offshore passages. Position, course, and speed are logged automatically at your chosen interval, while manual entries let you capture anything important along the way. A clean interface, assisted selectors, and automatic data capture make it fast to keep a proper logbook without interrupting your time on the water. FEATURES • Auto‑Log — record position automatically at your chosen interval • Manual logging — add entries for weather, engine hours, sail changes, notes, and more • Live Activity — see active trip status on the Lock Screen and Dynamic Island • Nautical chart for every trip with track line and start/finish markers • Trip summary on End Trip: distance, duration, average and max speed • Export trips as GPX or CSV for sharing or archiving • Edit log entries or delete individual entries or entire trips • Quick‑fill selectors for sea state, wind and other details • Dark Mode support for night sailing • Works offline — perfect for offshore passages
Screenshots
Verdict
The clearest difference is update cadence: Ship's Log byCaptainMJ at every 4 days against Ethercache's every 28 months. Ethercache's advantage is iOS requirement (14.7 vs 18.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ethercache ships an update every 28 months, Ship's Log byCaptainMJ every 4 days. The most recent releases landed on October 6, 2026 and September 11, 2026 respectively.
| Parameter | Ethercache | Ship's Log byCaptainMJ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 28 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.7 — better | 18.6 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Permusoft | Marcus Johansson |
In-app purchases
Ethercache
No in-app purchases
Ship's Log byCaptainMJ
No in-app purchases







