Stelo vs 자등명
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stelo
This app offers a private, ambient stargazing experience where new stars appear daily. Users can connect stars to draw custom constellations, name them, and build a personal gallery. Special celestial events and historical constellations are subtly integrated.
- Daily new stars
- Draw custom constellations
- Name and save constellations
- Special night events
- Unlockable constellation almanac
- Home screen widgets
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A private night sky that fills itself, one star a day. Stelo is a slow, ambient stargazing companion. Every night, one to three new stars quietly fall into your personal night sky. Connect them with your finger to draw your own constellations, give them names, and watch a gallery slowly fill over weeks and months. There is no score. No timer. Nothing to lose. Just a quiet space that asks nothing of you, and gives back a sky that is yours alone. – – – HOW IT WORKS • Open the app. New stars from last night pulse gently to greet you. • Touch a star to begin a constellation. Drag your finger between stars to draw lines. Branches are allowed; loops are allowed; whatever feels right is right. • Tap save. Name the constellation, or leave it untitled. It joins your gallery. • Tomorrow, more stars will be waiting. SPECIAL NIGHTS The sky knows what day it is. On 24절기 (Korean solar terms), full moons, meteor-shower nights, and your birthday, special stars appear with a label and a warmer color. Catch them in a constellation for keepsake meaning. THE ALMANAC Without telling you what to draw, Stelo quietly compares your shapes to all 88 IAU constellations. If you accidentally rediscover Lyra, Orion, or Cassiopeia, a small banner appears: "Looks like Cygnus." Your discoveries gradually unlock the Almanac with mythology and historical notes — no quiz, no pressure. WIDGETS Place a small or medium widget on your home screen to keep your latest constellation glowing through the day. WHAT WE DO NOT DO • No ads. Ever. • No in-app purchases in v1. • No accounts. No sign-up. • No analytics, no tracking, no SDKs that phone home. • No leaderboards. No friends. No sharing pressure. No social. • No push notifications nagging you to come back. All your stars and constellations live on your device only. We literally cannot see them. WHO IT IS FOR • People who like Universe, Alto's Odyssey, Mountain, or any app that asks nothing • People who keep a one-line journal or use bedtime apps • People who like astronomy but find sky-map apps overwhelming • People who play idle games for the slow accumulation, not the optimization LANGUAGES English, 한국어, 日本語. Time zones and 24절기 calendar honored locally. – – – Stelo. The Esperanto word for "star." A night sky you can hold.
자등명
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스스로가 자신의 등불이 되다 — 自燈明 하루 중 잘한 일 하나를 기록하세요. 작은 성취를 발견하는 습관이 마음을 밝힙니다. [ 주요 기능 ] 오늘의 등불 하루에 잘한 일을 기록하며 등불을 채워가세요. 목표를 채우면 오늘의 등불이 완성됩니다. 1분 명상 싱잉볼과 목탁 소리와 함께 하루 1분, 호흡을 고르고 마음을 가라앉히세요. 히트맵 기록 이번 달의 기록을 히트맵으로 한눈에 확인하세요. 꾸준함이 쌓이는 모습을 시각적으로 느낄 수 있습니다. 배지 수집 연속 기록, 총 기록 수, 명상 횟수에 따라 다양한 배지를 모아가세요. 불씨에서 자등명으로 레벨업하세요. 저녁 알림 매일 저녁, 오늘의 기록을 잊지 않도록 부드럽게 알려드립니다. [ 철학 ] "자등명(自燈明)" — 부처님의 마지막 말씀 중 하나. 스스로를 섬으로 삼고, 스스로를 귀의처로 삼으라. 남과 비교하지 않고, 어제의 나보다 조금 더 나은 오늘을 만들어가는 앱입니다. [ 개인정보 ] 앱은 어떠한 개인정보도 수집하지 않습니다. 모든 데이터는 기기 내에만 저장됩니다.
Screenshots
Verdict
Stelo and 자등명 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Stelo ships an update weekly, 자등명 every 11 days. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.
| Parameter | Stelo | 자등명 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 11 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | JIYULMOM | Seok Gyu Seo |
In-app purchases
Stelo
No in-app purchases
자등명
No in-app purchases









