# Echo vs SubSum

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.

Both are free to download. Echo sells 1 one-off in-app purchase. SubSum asks for nothing beyond the download.

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.

## The numbers

| Metric | Echo | SubSum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/echo-visual-task-with-avatar/id6751596889/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 2 MB |
| Requires iOS | 18.0 | **17** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [俊卿 郝](https://appshunter.io/developer/1835924294) | [桥 汪](https://appshunter.io/developer/1658027527) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-visual-task-with-avatar/id6751596889)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plan | $0.99 | one-time |


### SubSum

[App page](https://appshunter.io/ios/app/subsum/id6754885566)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*