Countdown to Zero vs 一笔画星系
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Countdown to Zero
This app helps you appreciate life by counting down the estimated number of days, weeks, and months remaining until significant life milestones. It encourages a positive outlook by highlighting the finiteness of experiences and supports custom event tracking.
- Counts down days, weeks, and months
- Tracks remaining life events
- Supports custom event tracking
- Promotes positive life appreciation
- Simple and intuitive interface
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How many days and weeks left before you are 50? This is an interesting question and the answer may surprises you. Countdown to Zero is a positive app. it will count how many events left in your whole life. like how many meals left, how many months and weeks left etc. it also supports custom events. You will treasure things when you know they are limited. May you always be positive and strong, and get through everyday happily!
一笔画星系
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应用围绕一笔画关卡设计，从简单图形到复杂路径，难度循序渐进。用户需要观察每个点与线之间的关系，规划合适的连线路径，并尝试一次完成挑战。 适合以下场景： 一笔画连线练习 图形观察训练 逻辑推理练习 空间思维训练 专注力训练 碎片时间益智挑战 休闲解谜练习 应用特点： 操作简单，轻松上手 关卡清晰，适合日常练习 难度循序渐进，持续提升挑战感 界面清爽，专注连线体验 支持手机和平板设备 从一笔画开始，观察路线，规划路径，完成星系关卡挑战。
Screenshots
Verdict
The clearest difference is in-app purchases: Countdown to Zero at none against 一笔画星系's 3. 一笔画星系's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, 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
Both are free to download. 一笔画星系 sells 3 in-app purchases, starting at $4.99 per month. Countdown to Zero asks for nothing beyond the download.
Countdown to Zero ships an update every 3 weeks, 一笔画星系 every 5 weeks. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.
| Parameter | Countdown to Zero | 一笔画星系 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (50 ratings) — better | — |
| Positive reviews | 91.9% of reviews | — |
| Number of ratings | 50 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Zhenlai Xia | 亮亮 汪 |
In-app purchases
Countdown to Zero
No in-app purchases
一笔画星系
- Monthly Pro Plan7 Days trial$4.991 Month
- Annual Pro Plan7 Days trial$29.991 Year
- 解锁第 11 个星球及后续星球$1.99
