Comparison

Echo vs SubSum

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

Head to head
About

Echo

This app transforms daily planning into a warm and fulfilling experience with a minimalist design. Assign custom avatars to tasks for quick identification and track your progress with weekly and monthly stats. It offers urgent alarms, calendar sync, and secure iCloud synchronization across Apple devices.

Highlights
  • Visual avatar tags for tasks
  • Minimalist and distraction-free interface
  • Weekly and monthly progress statistics
  • Urgent alarms and calendar sync
  • Secure iCloud synchronization
  • No login required for instant use
Features
Read full description

Why Echo? Every small act of care deserves to be remembered. For those we love, and for ourselves, Echo turns daily planning into a simple, fulfilling, and warm experience. Core Features: - Visual Avatar Tags Make every to-do meaningful. Assign custom avatars to your tasks to identify priorities at a glance and add a touch of warmth to your day. - Minimalist Design Pure and simple. A distraction-free interface that lets you focus on what truly matters. Quick to use, easy to manage, and elegantly crafted. - Weekly and Monthly Stats Visualize your progress. Track your shared journey or personal growth with insightful statistics that help you stay motivated. - Urgent Alarm & Calendar Sync Never miss a beat. Set alarms for reminders and sync to system calendar. Keep your most important tasks always within reach. - Secure iCloud Sync Keep your data safe and always in reach. Seamlessly sync your to-dos across all your Apple devices with industry-leading security. - No Login Required Start recording instantly. Your data belongs to you—no accounts, no trackers, and no extra steps. Just open and use. Note: Some premium features require In-App Purchase.

About

SubSum

Features
Read full description

核心功能 - 多币种支持: 支持CNY、USD、HKD、JPY、EUR、GBP、AUD、CAD等8种货币 - 费用汇总: 自动计算各币种的月均和年总费用 - 临期提醒: 提前1/3/7/14天本地通知提醒 - 完全离线: 所有数据仅存储在本地设备,保护隐私 用户界面 - 单页面设计: Dashboard + Add Sheet + Settings Sheet - 汇总卡片: 动态显示各币种的月均和年总费用 - 即将扣费: 显示未来30天内即将扣费的订阅 - 全部订阅: 按扣费日期排序的完整订阅列表 便捷功能 - 预设模板: 30+常用服务模板,快速添加订阅 - 分类管理: 7大分类(流媒体、音乐、生产力、游戏、云服务、教育、其他) - 自定义设置: 通知时间、主题模式等个性化设置

Screenshots

Echo4 screens
SubSum4 screens

Verdict

The call

The clearest difference is in-app purchases: SubSum at none against Echo's 1. Echo's advantage is update cadence (every 4 days vs every 4 months). On price, ads, device support and iOS requirement 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. Echo sells 1 one-off in-app purchase. SubSum asks for nothing beyond the download.

UpkeepUpdate frequency

Echo ships an update every 4 days, SubSum every 4 months. The most recent releases landed on October 30, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
Echo versus SubSum: the parameters behind the verdict, then further details
ParameterEchoSubSum
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 days — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017 — better
Further details — not scored
Size18 MB2 MB
Age rating9+4+
Developer俊卿 郝桥 汪

In-app purchases

1 purchases

Echo

One-time1
  • Unlimited Plan$0.99
None

SubSum

No in-app purchases

Questions

Is Echo free?
Echo is free to download, with in-app purchases available.
Is SubSum free?
SubSum is free to download, with no in-app purchases.
Do Echo or SubSum have ads?
Neither Echo nor SubSum shows ads.
Which is updated more often, Echo or SubSum?
Echo ships an update every 4 days, and SubSum every 4 months. Most recently, Echo was updated on October 30, 2026 and SubSum on October 12, 2026.

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