# QuoTodo vs Echosy

The clearest difference is in-app purchases: QuoTodo at none against Echosy's 1. QuoTodo also leads on iOS requirement (15.1 vs 17.0). Echosy's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

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

QuoTodo ships an update every 3 weeks, Echosy weekly. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | QuoTodo | Echosy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 27 MB | 29 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yi Fang Yeh](https://appshunter.io/developer/1799124830) | [Pong Ning Wong](https://appshunter.io/developer/1885145115) |

## What reviewers say

### QuoTodo

[App page](https://appshunter.io/ios/app/quotodo/id6743733598)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echosy

[App page](https://appshunter.io/ios/app/echosy/id6760580353)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is QuoTodo free?

QuoTodo is free to download, with no in-app purchases.

### Is Echosy free?

Echosy is free to download, with in-app purchases available.

### Do QuoTodo or Echosy have ads?

Both QuoTodo and Echosy show ads.

### Which is updated more often, QuoTodo or Echosy?

QuoTodo ships an update every 3 weeks, and Echosy weekly. Most recently, QuoTodo was updated on October 15, 2026 and Echosy on October 16, 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.*