Comparison

Sunlapse 4K vs Voki for Education

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

Head to head
About

Sunlapse 4K

Read full description

From the creators of Earthlapse, Sunlapse brings amazing 4K HDR time-lapse imagery of the sun to your Apple TV. Enjoy this amazing thermonuclear artwork captured by NASA's Solar Dynamics Observatory, produced by NASA, and mastered by Magic Window. Features include: - 4K 3840x2160 10-bit HDR visuals (Apple TV 4K) - 20 unique time-lapse sun visuals - 9 relaxing soundtracks, or listen to your own music - On-screen clock with two sizes - 4 color filters including stunning black & white - 5 speeds of playback from "fastest" to "slowest" - Built with Metal for ultra smooth performance - Anti-burn-in slowly moves text to protect your display - Made exclusively for Apple TV The app download contains 5 views and the remaining views are automatically downloaded as you use the app. Source video credit to NASA Goddard Space Flight Center, The SDO Team, Genna Duberstein and Scott Wiessinger, Producers. NOTE: This app does not function as the Apple TV screen saver. It must be launched independently.

About

Voki for Education

Create and share customizable speaking avatars to enhance classroom instruction and student engagement. This tool offers a fun way to introduce technology, encourage imagination, and improve lesson comprehension. It's ideal for language classes and helps even shy students express themselves.

Highlights
  • Hundreds of customizable avatars
  • Voice recording or text-to-speech
  • Customizable clothing and accessories
  • Background selection or upload
  • Sharing via email and social networks
  • Supports over 30 languages
Features
Read full description

Join millions of teachers and students all over the world who have discovered the magic of Voki. Voki, an edtech tool, is a collection of customizable speaking avatars for teachers and students that enhances classroom instruction, class engagement , and lesson comprehension. There are hundreds of avatars to choose from and clothing, accessories, facial features are just some of the ways your avatar can be customized. Simply, choose your head, clothes, and accessories, give your Voki a voice, and then add a background. The fun continues with our many in app sharing options. Creating and sharing a Voki with friends, teachers and parents has never been more fun and easy! Features: Hundreds of avatars to choose from Customize clothing, accessories, facial features, hair Record your own voice or type a message Choose background or upload your own Share via email and across social networks Benefits: Fun way to introduce technology in the class Encourages students to use their imagination Helps motivate, improves lesson comprehension and student participation Great tool in language classes for lessons and pronunciation – over 30 languages to choose from Even the shyest child in class will be able to make their voice heard with Voki Voki for Education app is a companion tool to the Voki online platform. The app was created to mirror the online experience and provide students a convenient & fun tool to work on their assignments and projects. Want even more from Voki?  Check out our complete suite of edtech products at www.voki.com Classroom management tool giving teachers access to organize  student assignments and more Presentation tool that uses Voki characters as a teaching assistant Growing library of ready to teach content

Screenshots

Voki for Education4 screens

Verdict

The call

The clearest difference is price: Voki for Education at Free against Sunlapse 4K's $1.99. Voki for Education also leads on update cadence (every 6 weeks vs every 13 months) and device support (3 vs 1). Sunlapse 4K's advantage is in-app purchases (none vs 10). On 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

Voki for Education is free to download; Sunlapse 4K costs $1.99 up front. Voki for Education sells 10 one-off in-app purchases. Sunlapse 4K asks for nothing beyond the download.

UpkeepUpdate frequency

Sunlapse 4K ships an update every 13 months, Voki for Education every 6 weeks. Both last shipped on November 2, 2026.

Scorecard5 real differences · 5 level
Sunlapse 4K versus Voki for Education: the parameters behind the verdict, then further details
ParameterSunlapse 4KVoki for Education
Price$1.99Free — better
Rating—3.3 (75 ratings) — better
Positive reviews—28.3% of reviews
Number of ratings—75 — better
Update frequencyEvery 13 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesApple TViPhone, iPad, iPod — better
Requires iOS27.010.0 — better
Further details — not scored
Size209 MB286 MB
Age rating4+4+
DeveloperJetson Creative LLCOddcast Inc.

Bugs and requests

Sunlapse 4K

Not enough reviews yet to summarise bugs or requests.

Voki for Education

Reported bugs

19 issues
  • App crashes when pressing play button
  • App crashes when trying to play recorded voice
  • App crashes after attempting recording playback
  • App crashes every time user presses play
  • App crashes when trying to download video/audio
Show 14 more
  • App crashes when trying to save to camera roll
  • App crashes instantly with minimal text
  • App crashes when trying to get past avatar choice
  • App crashes when making avatar
  • App crashes every 16 seconds
  • App does not stay open on iPad
  • App freezes on login screen
  • App incompatible with older devices
  • App glitches phone and computer
  • App quality loss on sharing
  • App hazy and lags on sharing
  • App does not sustain professional look on sharing
  • App not accessible with screen reader
  • App navigation overwhelming

Requested features

11 requests
  • More characters available for free
  • Fairytale characters in app
  • Career characters in app
  • Ability to move avatar position
  • More production features (lighting)
Show 6 more
  • More freedom to animate avatars
  • Ability to create sequences with avatars
  • Avatars having dialogue with each other
  • More options to save or share
  • Kid-friendly ways to save or share
  • Save Vokis to photo library

In-app purchases

None

Sunlapse 4K

No in-app purchases

10 purchases

Voki for Education

One-time10
  • Dai$0.99
  • Hiro_214$0.99
  • Abigail$0.99
Show 7 more
  • Ashley$0.99
  • Beth$0.99
  • Chloe$0.99
  • Gena_2300$0.99
  • Mina_616$0.99
  • Yuni_629$0.99
  • ALL Products$9.99

Questions

Is Sunlapse 4K free?
Sunlapse 4K costs $1.99, with no in-app purchases.
Is Voki for Education free?
Voki for Education is free to download, with in-app purchases available.
Do Sunlapse 4K or Voki for Education have ads?
Neither Sunlapse 4K nor Voki for Education shows ads.
Which is updated more often, Sunlapse 4K or Voki for Education?
Sunlapse 4K ships an update every 13 months, and Voki for Education every 6 weeks. Most recently, Sunlapse 4K was updated on November 2, 2026 and Voki for Education on November 2, 2026.

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