Comparison

SatVis vs Let

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

Head to head
About

SatVis

Visualize satellite orbits and predict upcoming passes. Receive notifications for when satellites will be visible from your location. Access a comprehensive satellite tracking experience.

Highlights
  • Satellite orbit visualization
  • Pass prediction
  • Upcoming pass notifications
  • Wrapper for satvis.space
Features
Read full description

Satvis is a free, open-source satellite tracker. It draws more than 12,000 satellites on a 3D globe in real time, across fourteen catalog groups: Starlink, GPS and the other navigation constellations, weather and Earth-observation satellites, the ISS and other crewed stations. Set where you are and it works out when each one passes overhead, and your iPhone reminds you before the pass starts. Point your iPhone at the sky to find the ISS, Starlink and 12,000 more satellites overhead. WHAT IT DOES • Follow more than 12,000 satellites live on a 3D globe, with positions computed on your device • Show points, labels, orbits, ground tracks, sensor cones and 3D models, coloured by orbit class • Turn any of the 14 catalog groups on or off, or search for a single satellite • Track a satellite and the camera follows it along its orbit • Set a ground station, list its upcoming passes, and get a notification before one starts • Find a satellite overhead in the sky view, aimed by moving your phone • Choose 3D, 2D or Columbus view, with base maps, star fields, terrain and 3D buildings • Share the exact view you are looking at as a link • Keep using it offline from cached satellite data WHERE THE DATA COMES FROM Orbital elements come from CelesTrak, refreshed every six hours, and are propagated on your device with SGP4. FREE AND OPEN SOURCE No account, no ads, no in-app purchases. Developed in the open at github.com/Flowm/satvis under the MIT licence.

About

Let

Features
Read full description

Plan It — Your All-in-One Productivity Companion Tired of juggling multiple apps to stay organized? Plan It brings everything together — tasks, focus sessions, events, team collaboration, and weekly insights — all in one beautiful, easy-to-use app. Whether you're managing personal goals or working with a team, Plan It helps you stay on top of what matters most. TASKS MADE SIMPLE • Create, organize, and prioritize your tasks effortlessly • Break down big goals into manageable steps • Set due dates and never miss a deadline • Check off tasks and watch your productivity soar STAY FOCUSED • Built-in focus timer to help you concentrate • Minimize distractions and get into the zone • Track your focus sessions and build better habits • Work smarter, not harder EVENTS & SCHEDULING • Keep all your events in one place • Schedule meetings, appointments, and reminders • Never double-book or forget an important date • Plan your days and weeks with confidence TEAM COLLABORATION • Invite team members and work together seamlessly • Assign tasks and track team progress • Stay connected and aligned on shared goals • Perfect for work projects, family planning, or group activities WEEKLY REPORTS & INSIGHTS • Get a clear summary of your week • See what you accomplished and where you can improve • Track your productivity trends over time • Celebrate your wins and plan ahead WHY PLAN IT? We believe productivity should be simple, not stressful. Plan It is designed to help you focus on what truly matters — without the overwhelm. No complicated setups, no steep learning curves. Just a clean, intuitive app that works the way you do. Download Plan It today and start planning your best week yet!

Screenshots

SatVis3 screens
Let4 screens

Verdict

The call

The clearest difference is update cadence: Let at monthly against SatVis's every 88 months. Let also leads on iOS requirement (15.6 vs 17.0). 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

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

SatVis ships an update every 88 months, Let monthly. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 6 level
SatVis versus Let: the parameters behind the verdict, then further details
ParameterSatVisLet
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 88 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size5 MB31 MB
Age rating4+12+
DeveloperFlorian MauracherSareuon Sum

In-app purchases

None

SatVis

No in-app purchases

None

Let

No in-app purchases

Questions

Is SatVis free?
SatVis is free to download, with no in-app purchases.
Is Let free?
Let is free to download, with no in-app purchases.
Do SatVis or Let have ads?
Neither SatVis nor Let shows ads.
Which is updated more often, SatVis or Let?
SatVis ships an update every 88 months, and Let monthly. Most recently, SatVis was updated on October 16, 2026 and Let on October 9, 2026.

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