Sky Tonight vs Stellarium:Which is more popular?
In September 2026, Stellarium had more branded searches than Sky Tonight among star gazing apps worldwide. Stellarium had about 246,000 branded searches, while Sky Tonight had 12,100. Stellarium made up 50.6% of all star gazing app searches we track, and Sky Tonight accounted for 2.5%. When we asked ChatGPT and Google AI Overviews about star gazing apps, Stellarium appeared in all five answers and Sky Tonight in two. Stellarium was mentioned before Sky Tonight in every answer.
Who do people search for more?
Stellarium, about 20 searches for every 1 for Sky Tonight
Who does AI mention more?
Stellarium, mentioned in every answer we collected
Who does AI recommend more?
Stellarium, named ahead of Sky Tonight in every answer
Follow Sky Tonight vs Stellarium and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top star gazing apps in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Stellarium appeared in all five answers. Sky Tonight was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Stellarium was listed before Sky Tonight in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- Stellarium1st
Star Walk2nd
SkySafari3rd- Sky Guide4th
- Sky Tonight5th
Night Sky6th- PhotoPills7th
- SkyView8th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Stellarium5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Star Walk5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Sky Guide4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- SkySafari4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Night Sky3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Sky Tonight2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- PhotoPills2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- SkyView1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about star gazing apps
5 answers
Asked ChatGPT
“Which star gazing app should I use?”
Asked ChatGPT
“What are the best star gazing apps?”
Asked ChatGPT
“What's the best star gazing app for the night sky?”
Searched Google, AI Overview
“star gazing apps”
Searched Google, AI Overview
“star map app”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Sky Tonight or Stellarium more popular in search?
This chart shows how often people search Google for Sky Tonight and Stellarium by name. Each line represents a brand's share of searches for all eight star gazing apps we track, month by month, from English-language searches worldwide.
Share of searches by month for Stellarium, Sky Tonight. The figures are in the table below the chart.
View monthly share of searches table
| Month | Stellarium | Night Sky | Sky Guide | Star Walk | Sky Tonight | PhotoPills | SkySafari | SkyView |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 43.9% | 37.6% | 4.8% | 3.5% | 5.9% | 1.8% | 1.8% | 0.78% |
| Nov 2025 | 40.2% | 41.8% | 5.4% | 3.9% | 4.4% | 2% | 1.6% | 0.72% |
| Dec 2025 | 35.3% | 45.1% | 4.7% | 4.5% | 4.7% | 2.1% | 2.1% | 1.4% |
| Jan 2026 | 40.6% | 42.2% | 4.5% | 4% | 3.7% | 2% | 1.6% | 1.3% |
| Feb 2026 | 43% | 37.9% | 4.7% | 4.4% | 4.7% | 1.7% | 1.4% | 2.1% |
| Mar 2026 | 45.3% | 38.9% | 5% | 3.6% | 2.7% | 1.8% | 1.5% | 1.2% |
| Apr 2026 | 59% | 28% | 4.3% | 2.6% | 2.4% | 1.6% | 1.1% | 1.1% |
| May 2026 | 43.9% | 38.7% | 5.9% | 3.5% | 3.2% | 2.2% | 1.2% | 1.4% |
| Jun 2026 | 41.7% | 39.9% | 5.6% | 3.3% | 4.6% | 2.1% | 1.1% | 1.7% |
| Jul 2026 | 43.3% | 38.1% | 5.8% | 3.4% | 3.9% | 2.6% | 1.4% | 1.4% |
| Aug 2026 | 50.8% | 29.5% | 4.6% | 3.4% | 5.6% | 3.7% | 1.4% | 1.1% |
| Sep 2026 | 50.6% | 35% | 4.6% | 2.7% | 2.5% | 2% | 1.7% | 0.9% |
How has the Sky Tonight and Stellarium comparison changed over the last 12 months?
3 findings
- Stellarium was ahead of Sky Tonight in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Sky Tonight’s share of searches among star gazing apps worldwide moved from 5.9% to 2.5%, and its estimated monthly branded searches moved from 33.1K to 12.1K.
- Across the 12 months ending September 2026, Stellarium’s share of searches among star gazing apps worldwide moved from 43.9% to 50.6%, and its estimated monthly branded searches held steady at 246K.
How did search popularity change for star gazing apps worldwide in September 2026?
1 change
In September 2026, Sky Tonight lost share of searches among star gazing apps worldwide, from 5.6% to 2.5%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Sky Tonight’s and Stellarium’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Sky Tonight
1 branded search term
- sky tonight
Stellarium
1 branded search term
- stellarium
Other head-to-heads among star gazing apps
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.