Comparison

UnDo vs DearCosmos Daily Affirmations

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

Head to head
About

UnDo

Features
Read full description

你是否已经厌倦了各种充满压迫感的 To-Do List 和打卡软件? 一旦中断就红牌警告,没完成任务就充满负罪感——这不该是管理生活的方式。 UnDo 是一款围绕“克制冲动”设计的轻量级应用。它不是监督你“要做什么”的严厉教练,而是一个帮你暂存冲动、拉开反应距离的“欲望降温箱”。 【核心功能】 欲望捕获与冷冻: 当冲动发生时(想冲动消费、想熬夜、想点高热量外卖),别急着行动,先把它写下来并放入“冰块”中冷冻。拉开距离,是化解冲动的第一步。 诚实的主动结算: 冷却期结束后,系统会轻量提示你回看并结清。结果只有两个:我破功了,或者我忍住了。 零压力的失败处理: 如果没忍住,点击“破功”,该记录会直接从本地数据中静默删除。我们不保留失败历史,不累计失败次数,拒绝给你增加羞耻感。 静谧的收集箱: 如果你成功克制了冲动,它将转化为美丽的琥珀,永久存入收集箱中。这里只记录成功,不记录失败。 【产品特色】 极简输入,支持快捷选项与照片附加。 灵活的自定义冷却时长(从 1 分钟到 24 小时)。 数据完全基于本地持久化存储,你的欲望和隐私只属于你自己。 在 UnDo,放下焦虑,享受没有压力的静谧胜利。 (推荐在iOS26进行使用,体验会更好)

About

DearCosmos Daily Affirmations

Discover daily affirmations hidden among the stars. This app helps you manifest your desires and build self-worth by sending wishes into the universe and receiving them back as personalized letters. Explore the night sky to find your messages and keep encouragement close.

Highlights
  • Daily affirmations via celestial stars
  • Write and receive personalized wishes
  • Explore the sky with haptic feedback
  • Save and share favorite messages
  • Home screen widget for favorite messages
  • Offline sky exploration
Features
Read full description

Daily affirmations, hidden among the stars. When you could use a little encouragement, aim your phone at a glowing star. A letter opens with a few words about love, confidence or your own worth. Send a wish into the sky and find your words again days later. A SMALL RITUAL FOR BELIEVING IN YOURSELF When you doubt yourself, wait for an answer or picture a different future, it can help to have words you want to hear again. DearCosmos turns those words into letters you find and keep. Take a moment to imagine the life you want and speak to yourself from that place. FIND YOUR STAR Explore the sky above you by moving your phone or dragging and zooming. Follow gentle haptics to a glowing star and stay with it to open your letter. Turn on live view to see the stars over the world around you. Tap a celestial object's name to discover its story. WRITE TO THE UNIVERSE Send a wish, a thank you or a kind word to yourself into the sky. Your own words return later as a letter, a reminder of what matters to you. KEEP ENCOURAGEMENT CLOSE • Choose what has been on your mind to guide your first letters. • Revisit every message in your inbox and save your favorites. • Share a letter as an image card. • Turn on notifications for letters from the stars. • With a widget, letters rotate on your Lock Screen and Home Screen. No account needed. Your wishes and letters stay on your device, and exploring the sky works offline. DearCosmos is for personal reflection and inspiration. It does not predict the future or guarantee that wishes will come true. SUBSCRIPTION DETAILS Payment is charged to your Apple Account at confirmation, or after an eligible free trial. The annual plan renews automatically unless canceled at least 24 hours before the current period ends. Your account is charged for renewal within 24 hours before the period ends. Manage or cancel in your Apple Account subscription settings. Lifetime access is a one-time purchase and does not renew. Local prices and trial eligibility are shown before purchase. Support: support@airglowllc.com Privacy Policy: https://legal.airglowllc.com/#privacy Terms of Use: https://legal.airglowllc.com/#terms Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

UnDo4 screens
DearCosmos Daily Affirmations4 screens

Verdict

The call

The clearest difference is in-app purchases: UnDo at none against DearCosmos Daily Affirmations's 3. UnDo also leads on iOS requirement (17.6 vs 26.0). DearCosmos Daily Affirmations's advantage is update cadence (every 3 days vs weekly). On price, ads 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. DearCosmos Daily Affirmations sells 3 in-app purchases, starting at $3.99 per month. UnDo asks for nothing beyond the download.

UpkeepUpdate frequency

UnDo ships an update weekly, DearCosmos Daily Affirmations every 3 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 4 level
UnDo versus DearCosmos Daily Affirmations: the parameters behind the verdict, then further details
ParameterUnDoDearCosmos Daily Affirmations
PriceFreeFree
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS17.6 — better26.0
Further details — not scored
Size2 MB42 MB
Age rating4+9+
Developer朝峰 陈AIRGLOW LLC

In-app purchases

None

UnDo

No in-app purchases

3 purchases

DearCosmos Daily Affirmations

Subscriptions2
  • Pro · Monthly$3.991 Month
  • Pro · Yearly3 Days trial$14.991 Year
One-time1
  • Pro · Lifetime$39.99

Questions

Is UnDo free?
UnDo is free to download, with no in-app purchases.
Is DearCosmos Daily Affirmations free?
DearCosmos Daily Affirmations is free to download, with in-app purchases available.
Do UnDo or DearCosmos Daily Affirmations have ads?
Neither UnDo nor DearCosmos Daily Affirmations shows ads.
Which is updated more often, UnDo or DearCosmos Daily Affirmations?
UnDo ships an update weekly, and DearCosmos Daily Affirmations every 3 days. Most recently, UnDo was updated on October 31, 2026 and DearCosmos Daily Affirmations on November 6, 2026.

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