Comparison

TrueSize vs Redera

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

Head to head
About

TrueSize

Explore the true scale of countries, continents, and regions with accurate size comparisons based on spherical geometry. Visualize historical and modern maps, access detailed information, and even test your knowledge with a geography mini-game. Customize your experience by importing and editing map data.

Highlights
  • Accurate size comparisons using spherical geometry
  • 140,000+ countries, regions, and territories
  • Detailed tooltips and insights
  • Historical and modern maps
  • Import & edit GeoJSON / TopoJSON files
  • Geography mini-game
Features
Read full description

Explore the true size of countries, continents, and regions with TrueSize app. Move territories around an interactive map and compare their real proportions without the size distortion of traditional flat maps. Key Features • True-size comparisons Compare countries and regions using spherical geometry, without the size distortion caused by flat map projections. • 750,000+ geographic regions Explore countries, territories, states, provinces, historical borders, islands, and more. • Natural features Explore mountains, peaks, deserts, islands, peninsulas, archipelagos, seas, bays, lakes, rivers, and river basins. • Geography games Play the TrueSize Challenge to guess the larger territory, or test your knowledge with the Flag Quiz. • Measurement tools Measure true geodesic distances in kilometers or miles, check compass bearings, and draw custom shapes. • Edit any boundary shape Modify the vertices of countries, regions, and other map shapes directly on the map. Add, move, select, or delete points with Undo and Redo support. • Facts and geographic details View population, area, flags, and useful facts for regions you explore. • Historical and modern maps Explore historical territories and see how borders and regions have changed over time. • Import & edit GeoJSON / TopoJSON files Load your own map data, modify shapes, simplify or merge boundaries, and export your changes. Ideal for students, educators, and GIS enthusiasts. • Share your discoveries Create and share interactive map comparisons with others. Perfect For • Students learning geography and map accuracy • Teachers explaining map projection distortion • Travelers visualizing distances and regions • Geography enthusiasts exploring historical and modern borders • Anyone curious about the real scale of our world Why TrueSize? Traditional flat maps can significantly distort the apparent size of countries and regions, especially near the poles. TrueSize uses spherical geometry to provide more realistic size comparisons while letting you freely move and explore territories around the globe. From the creators of TrueSize.net, the official TrueSize app brings interactive geography tools, hundreds of thousands of regions, historical maps, games, measurements, and custom geographic data to your device. Rediscover the world as it truly appears - clearly, accurately, and interactively.

About

Redera

Features
Read full description

Blinda tu desarrollo inmobiliario con Redera. Plataforma LMS, capacitación ESG y App de triage táctico para proteger tu obra de riesgos legales y penales.

Screenshots

TrueSize4 screens
Redera3 screens

Verdict

The call

The clearest difference is ads: Redera at none against TrueSize's shown. On price, update cadence, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TrueSize ships an update every 10 days, Redera every 2 weeks. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 9 level
TrueSize versus Redera: the parameters behind the verdict, then further details
ParameterTrueSizeRedera
PriceFreeFree
Rating4.7 (225 ratings) — better—
Positive reviews71.0% of reviews—
Number of ratings225 — better—
Update frequencyEvery 10 days — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size165 MB391 MB
Age rating12+4+
DeveloperBINARY BANANA LLCSantos Espidio

In-app purchases

None

TrueSize

No in-app purchases

None

Redera

No in-app purchases

Questions

Is TrueSize free?
TrueSize is free to download, with no in-app purchases.
Is Redera free?
Redera is free to download, with no in-app purchases.
Do TrueSize or Redera have ads?
TrueSize shows ads; Redera does not.
Which is updated more often, TrueSize or Redera?
TrueSize ships an update every 10 days, and Redera every 2 weeks. Most recently, TrueSize was updated on October 15, 2026 and Redera on October 7, 2026.

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