Comparison

Dsky vs Tate Modern Visitor Guide

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

Head to head
About

Dsky

Experience the Apollo Guidance Computer DSKY interface on your iPad. This photo-realistic simulator lets you input commands like Apollo astronauts to navigate, using your device's GPS and accelerometers for real-world data.

Highlights
  • Photo-realistic DSKY interface simulation
  • Uses iPad GPS for latitude, longitude, altitude
  • Utilizes iPad accelerometers for attitude
  • Subset of original DSKY verbs and nouns
  • Configurable units (meters, nautical miles, statute miles)
  • Includes help page and usage instructions
Features
Read full description

Description Tap on the 'i' icon lower right for help on using Dsky. Dsky is the Apollo Guidance Computer DSKY simulator for iPad. Dsky simulates the look and feel of the original Apollo DSKY keyboard and user interface used by the Apollo astronauts to navigate to the moon and back in the 1960’s and 70’s. Dsky is a photo-realistic simulation, based on actual photographs of original Apollo DSKY hardware, realistically animated for the iPad to be as close as possible to the real thing. The Apollo Guidance Computer (AGC) and DSKY user interface were installed in every Apollo Command Module (CM) and Lunar Excursion Module (LEM) that flew in the Apollo program. They were used to navigate and control the spacecraft in all phases of flight. The AGC and DSKY were designed and programmed by MIT for NASA, and although they were among the most advanced electronics of their time, the DSKY user interface was necessarily limited and simple. Now you can use this exact same interface to do your own navigation! Its harder than using a Tom-Tom, but you know, this actually is rocket science. And its free! Although you can’t use Dsky to maneouvre your LEM or land on the moon, you can use it for some real-world down-to-earth applications: Current GPS Latitude, Longitude and Altitude Current attitude using the iPad acccelerometers. Distance-to-go, time and velocity, using the iPad internal GPS. A subset of the original DSKY verbs and nouns is faithfully implemented, allowing you to program and use the Dsky just like the Apollo astronauts did. Unlike the original DSKY, you can configure Dsky to use your own choice of units: Meters, Nautical Miles or Statute Miles. See the iPad Settings page. A comprehensive help page and usage instructions is included (look for the little ‘i’ at the bottom right of Dsky).

About

Tate Modern Visitor Guide

This offline mobile guide helps tourists maximize their museum and landmark visits. It provides historical information, 'do not miss' highlights, maps, and practical tips for planning your trip. Explore attractions and cities with detailed city guides, offline maps, and daily itineraries.

Highlights
  • 100% offline access
  • Traveler-sourced advice
  • History of attractions
  • 'Do not miss' highlights
  • Floor plans and maps
  • City travel guide
  • Offline street maps
Features
Read full description

Here is your 100% offline mobile guide developed for all those tourists who want to make the most of their visit to popular museums, landmarks, national parks, and much, much more! We’ve collected information from other travelers about all that each destination has to offer, and developed this tour guide based on advice and experiences from real people who have been there and done that! Here’s just a sample of what you can find in each of our tour guides: ● History of the attraction ● “Do not miss” section, so you get the best experience possible ● Floor plans and/or maps of the attraction ● Things you need to know when you’re planning your visit ● Where to eat and shop near or in the attraction ● What else the attraction has to offer ● Access to a complete Travel Guide of the city, along with public transportation, zoomable street maps that are 100% offline and daily itineraries to make the most of your time visiting the magnificent city. When you travel, take these offline tour guides with you. Even if you don’t have an Internet connection, you can still access all of the features and information in the app! Explore the world like never before, and discover everything that each destination can offer you. This app contains IAPs for you to enjoy and discover the best out of your visit. Not only the Tate Modern but also the city of London

Screenshots

Tate Modern Visitor Guide4 screens

Verdict

The call

The clearest difference is review sentiment: Dsky at 86% against Tate Modern Visitor Guide's 8%. Dsky also leads on rating (4.6 vs 4.0) and in-app purchases (none vs 10). Tate Modern Visitor Guide's advantage is update cadence (every 15 months vs every 32 months) and device support (3 vs 1). On price and ads 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. Tate Modern Visitor Guide sells 10 one-off in-app purchases. Dsky asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Dsky holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 11 and 40 respectively. Written reviews point the same way: 86% of Dsky's written reviews are positive against 8% of Tate Modern Visitor Guide's.

UpkeepUpdate frequency

Dsky ships an update every 32 months, Tate Modern Visitor Guide every 15 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard8 real differences · 2 level
Dsky versus Tate Modern Visitor Guide: the parameters behind the verdict, then further details
ParameterDskyTate Modern Visitor Guide
PriceFreeFree
Rating4.6 (11 ratings) — better4.0 (40 ratings)
Positive reviews85.7% of reviews — better7.7% of reviews
Number of ratings1140 — better
Update frequencyEvery 32 monthsEvery 15 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better14.0
Further details — not scored
Size9 MB73 MB
Age rating4+4+
DeveloperAirSpayceTravel Experiences Apps LTD

Customer experience

Dsky

All ratings11 ratings
Positive90.9%
Neutral9.1%
Negative0.0%
Written reviews7 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

Tate Modern Visitor Guide

All ratings40 ratings
Positive75.0%
Neutral2.5%
Negative22.5%
Written reviews26 reviews
Positive7.7%
Neutral3.8%
Negative88.5%

In-app purchases

None

Dsky

No in-app purchases

10 purchases

Tate Modern Visitor Guide

One-time10
  • Tate ModernFree
  • LondonFree
  • Tate BritainFree
Show 7 more
  • Tower Bridge$1.99
  • Westminster Abbey$1.99
  • Piccadilly Circus$1.99
  • Soho, London$1.99
  • Trafalgar Square$1.99
  • Oxford Street$1.99
  • Science Museum, London$1.99

Questions

Is Dsky free?
Dsky is free to download, with no in-app purchases.
Is Tate Modern Visitor Guide free?
Tate Modern Visitor Guide is free to download, with in-app purchases available.
Which has better reviews, Dsky or Tate Modern Visitor Guide?
Dsky is rated higher. Dsky averages 4.6 out of 5 from 11 ratings, while Tate Modern Visitor Guide averages 4.0 from 40 ratings.
Do Dsky or Tate Modern Visitor Guide have ads?
Neither Dsky nor Tate Modern Visitor Guide shows ads.
Which is updated more often, Dsky or Tate Modern Visitor Guide?
Dsky ships an update every 32 months, and Tate Modern Visitor Guide every 15 months. Most recently, Dsky was updated on November 1, 2026 and Tate Modern Visitor Guide on November 2, 2026.

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