# Axis vs echo

The clearest difference is price: Axis at Free against echo's $2.99. Axis also leads on iOS requirement (18.6 vs 26.0). echo's advantage is in-app purchases (none vs 2) and update cadence (every 3 days vs every 5 weeks). On ads and device support there is nothing between them.

Axis is free to download; echo costs $2.99 up front. Axis sells 2 in-app purchases, starting at $0.99 per month. echo asks for nothing beyond the download.

Axis ships an update every 5 weeks, echo every 3 days. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Axis | echo |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 6 MB | 3 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YU KATO](https://appshunter.io/developer/1829845661) | [Arjun Mahanti](https://appshunter.io/developer/1028057606) |

## What reviewers say

### Axis

[App page](https://appshunter.io/ios/app/axis-world-clock/id6751739338)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Axis Premium Monthly | $0.99 | per month |
| Axis Premium | $7.99 | one-time |


### echo

[App page](https://appshunter.io/ios/app/echo-quick-notes/id6753983671)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Axis free?

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

### Is echo free?

echo costs $2.99, with no in-app purchases.

### Do Axis or echo have ads?

Neither Axis nor echo shows ads.

### Which is updated more often, Axis or echo?

Axis ships an update every 5 weeks, and echo every 3 days. Most recently, Axis was updated on October 13, 2026 and echo on October 18, 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.*