Comparison

CatalogueMessier vs UnivMap

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

Head to head
About

CatalogueMessier

Explore the Messier, NGC, and Caldwell astronomical catalogs. Log your observations with photos, filter celestial objects by type, and track your progress with detailed statistics. Export your data for further analysis.

Highlights
  • View Messier, NGC, and Caldwell catalogs
  • Add observation photos
  • Filter objects by category
  • Track observation progress
  • Export observation data
  • Multi-language support
Read full description

The application allows you to view the 110 objects in the Messier catalog, the 812 main objects in the New General Catalog (NGC), and the 109 objects in the Caldwell catalog. You can add photos taken during your observations for each object. You can filter objects by category (galaxies, nebulae, clusters) and view the observation order for the annual Messier Marathon. Statistics allow you to track the progress of your observations. Export your photos to a spreadsheet summarizing your observations. Statistics allow you to track the progress of your observations. 
Privacy: - No ads. - No data collection. - No registration (neither by email nor locally). - No tracking. - No location tracking. - No connection to a server to collect information. Languages: French, English, Italian, German, Dutch, Chinese, Japanese, Spanish, Portuguese, Dutch.

About

UnivMap

Features
Read full description

UnivMap is a navigation app. Search for places, get directions, and check your estimated time of arrival. -Search Type in where you want to go. Alpha Centauri, the Orion Nebula, or that black hole at the center of the galaxy. -Directions Starting from your current location, UnivMap works out the distance and arrival time — and kindly routes you around interstellar pirates and high-radiation zones. To Voyager 1: 25.599 billion km, about 23 hr 43 min at the speed of light. It never stops moving, so we time it just right — it reaches the destination to meet you the moment you arrive. -Choose how you travel Rocket, car, bike, or on foot — take your pick. Drive to Mars and the route card will warn you it's uphill the whole way. -Save your places Set your Home and Work, and get directions home with a single tap. -Reviews Every place has ratings and reviews. The Moon currently holds 5.0 stars across three reviews — one visitor wrote: "That's one small step for a man, one giant leap for mankind." -Works offline No connection required. No data collected. -Search galaxies, get directions, check your ETA. The nearest neighbor is over four years away — pack snacks.

Screenshots

CatalogueMessier4 screens
UnivMap4 screens

Verdict

The call

The clearest difference is price: UnivMap at Free against CatalogueMessier's $0.99. UnivMap also leads on iOS requirement (15.0 vs 17.0). 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

CostPrice · In-app purchases · Ads · Monetization

UnivMap is free to download; CatalogueMessier costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CatalogueMessier ships an update every 3 weeks, UnivMap fortnightly. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 6 level
CatalogueMessier versus UnivMap: the parameters behind the verdict, then further details
ParameterCatalogueMessierUnivMap
Price$0.99Free — better
Positive reviews0.0% of reviews—
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size9 MB32 MB
Age rating4+4+
DeveloperLaurent DURLIAT宇輝資訊有限公司

In-app purchases

None

CatalogueMessier

No in-app purchases

None

UnivMap

No in-app purchases

Questions

Is CatalogueMessier free?
CatalogueMessier costs $0.99, with no in-app purchases.
Is UnivMap free?
UnivMap is free to download, with no in-app purchases.
Do CatalogueMessier or UnivMap have ads?
Neither CatalogueMessier nor UnivMap shows ads.
Which is updated more often, CatalogueMessier or UnivMap?
CatalogueMessier ships an update every 3 weeks, and UnivMap fortnightly. Most recently, CatalogueMessier was updated on November 5, 2026 and UnivMap on November 10, 2026.

Other comparisons