# Liar vs Promise Keeper Tracker vs Echosy

The clearest difference is ads: Liar vs Promise Keeper Tracker at none against Echosy's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Liar vs Promise Keeper Tracker sells 2 in-app purchases, starting at $8.99 per 7 days and Echosy sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Liar vs Promise Keeper Tracker | Echosy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Size | 1 MB | 29 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Can Ahmet Aydemir](https://appshunter.io/developer/1377253832) | [Pong Ning Wong](https://appshunter.io/developer/1885145115) |

## What reviewers say

### Liar vs Promise Keeper Tracker

[App page](https://appshunter.io/ios/app/liar-vs-promise-keeper-tracker/id6755637857)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $8.99 | per 7 days |
| Annual Subscription | $24.99 | per year |


### 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 Liar vs Promise Keeper Tracker free?

Liar vs Promise Keeper Tracker is free to download, with in-app purchases available.

### Is Echosy free?

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

### Do Liar vs Promise Keeper Tracker or Echosy have ads?

Echosy shows ads; Liar vs Promise Keeper Tracker does not.

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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.*