Comparison

Nemo vs Map Diary

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

Head to head
About

Nemo

Easily log marine animal sightings with automatic timestamps and GPS location. Identify species with photos and receive local alerts for nearby wildlife. A lightweight tool for ocean enthusiasts.

Highlights
  • Log marine animal sightings
  • Automatic timestamps
  • GPS location plotting
  • Photo identification assistance
  • Local wildlife alerts
  • Customizable alert radius and time interval
Features
Read full description

Key Features: - Log animal sightings on-the-go: Whales, Dolphins, Fish, Sharks and Jellyfish - Quick, lightweight app, designed for maximum efficiency - Make sightings with automatic timestamps -with just a few taps! - Not sure what the animal is? Take a snap and send it in! - Plot each sightings to your present GPS location * - Choose a location to add the sighting to * - Set alert radius to receive local alerts - Set time interval to see local alerts *(active internet access required)

About

Map Diary

This app allows you to privately save and organize locations on an interactive map with photos and notes. It works completely offline, requiring no account or internet connection, making it ideal for travel and documenting personal memories.

Highlights
  • Save locations on interactive map
  • Add photos and timestamped notes
  • Organize locations into custom lists
  • Fully offline and private functionality
  • Personalize pins with icons and colors
  • Automatic address lookup
  • Multiple map styles
Features
Read full description

Save every place that matters — private and available offline. Free to download. No ads. No tracking — ever. Map Diary lets you pin locations on an interactive map, add photos and notes, and organize everything into custom lists, on a map that reads like a travel journal. No account, no internet required for your saved archive. Just you and your memories. ▸ INTERACTIVE MAP Long-press to save places anywhere. Filter pins by list. Get directions and Look Around via Apple Maps. Plan a walking or driving route from your own stops, including a round trip. Finish a journey and it is kept as a poster of the path you walked — routes and past journeys are Pro. Standard map style included free; Hybrid and Satellite are Pro. ▸ CAPTURE EVERY DETAIL Add up to 2 photos and 2 notes per location on Free. Set a cover photo. Address lookup, place search, and directions send your search text or map coordinates to Apple. Pro unlocks unlimited photos and notes. ▸ PERSONALIZE YOUR PINS 12 colors and a starter set of map pin icons free. Pro unlocks the full library of 141 activity icons — hiking, camping, food, museums, beaches, and more. ▸ ORGANIZE IN LISTS Group trips, favorites, restaurants, and to-visit spots. Free includes up to 2 lists; Pro adds unlimited lists and list filtering at any scale. ▸ SEARCH YOUR LIBRARY — OR DISCOVER NEW PLACES Search your own saved locations and lists free. Apple Maps place search to discover new spots is included, with a limited range and fewer results on Free; Pro widens the range and shows more results. ▸ OFFLINE SAVED ARCHIVE & PRIVATE Your saved journal works without internet — perfect for travel, road trips, and remote areas. Address lookup, place search, and directions send your search text or map coordinates to Apple. Your saved data stays on your device. No tracking, no analytics. ▸ TRY FREE Pin up to 16 locations, manage 2 lists, add up to 2 photos and 2 notes per place, browse and edit your map, and search your saved library — no watermarks. ▸ PRO UNLOCKS THE FULL ARCHIVE Unlimited locations and lists, unlimited photos and notes, wider Apple Maps search with more results, Hybrid and Satellite map styles, the full icon library, routes and past journeys, and .mapdiary backup and restore. Monthly, annual, or lifetime. Whether you're documenting a weekend getaway or a lifetime of travel — Map Diary is the private travel journal with an offline saved archive that goes wherever you go. Have feedback? Reach us at support@can.bi Privacy Policy: https://canbi.notion.site/Privacy-Policy-4916cac95bdb82778b040144667297db Terms of Use (EULA): https://canbi.notion.site/Terms-of-Service-de96cac95bdb82d2a1f801dfb47e579d

Screenshots

Nemo4 screens
Map Diary4 screens

Verdict

The call

The clearest difference is review sentiment: Map Diary at 100% against Nemo's 50%. Map Diary also leads on update cadence (weekly vs every 12 months). Nemo's advantage is in-app purchases (none vs 7) and iOS requirement (13 vs 18.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Map Diary sells 7 in-app purchases, starting at $2.99 per month. Nemo asks for nothing beyond the download.

UpkeepUpdate frequency

Nemo ships an update every 12 months, Map Diary weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Nemo versus Map Diary: the parameters behind the verdict, then further details
ParameterNemoMap Diary
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 12 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13 — better18.0
Further details — not scored
Size4 MB22 MB
Age rating4+4+
DeveloperLewis StagnettoCan Bi

Customer experience

Nemo

Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Map Diary

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Nemo

No in-app purchases

7 purchases

Map Diary

Subscriptions2
  • Map Diary Monthly$2.991 Month
  • Map Diary Annual$9.991 Year
One-time5
  • Support Tip - Map Pin$1.99
  • Support Tip - Trail Marker$4.99
  • Support Tip - Compass Rose$12.99
Show 2 more
  • Map Diary Lifetime$19.99
  • Support Tip - World Explorer$24.99

Questions

Is Nemo free?
Nemo is free to download, with no in-app purchases.
Is Map Diary free?
Map Diary is free to download, with in-app purchases available.
Do Nemo or Map Diary have ads?
Neither Nemo nor Map Diary shows ads.
Which is updated more often, Nemo or Map Diary?
Nemo ships an update every 12 months, and Map Diary weekly. Most recently, Nemo was updated on November 2, 2026 and Map Diary on October 31, 2026.

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