# AVA Assistant vs Atto

The clearest difference is ads: AVA Assistant at none against Atto's shown. AVA Assistant also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Atto's advantage is update cadence (every 3 days vs every 2 weeks). On price and in-app purchases there is nothing between them.

Both are free to download. AVA Assistant sells 1 in-app purchase, starting at $5.99 per month and Atto sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AVA Assistant ships an update every 2 weeks, Atto every 3 days. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | AVA Assistant | Atto |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 11 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Andranik Ghazaryan](https://appshunter.io/developer/6798785901) | [Beomjin In](https://appshunter.io/developer/1791890813) |

## What reviewers say

### AVA Assistant

[App page](https://appshunter.io/ios/app/ava-assistant/id6798785899)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AVA Premium | $5.99 | per month |


### Atto

[App page](https://appshunter.io/ios/app/atto-ticket-drop-timer/id6811104130)

This utility app precisely measures and displays server clock times for time-sensitive events like ticket drops. It offers advanced features to correct for device drift and ensure accurate countdowns, even while using other applications.

**Highlights:** Server clock synchronization, Millisecond precision countdown, Device drift correction, Picture-in-Picture mode, Haptic and sound alerts, Practice mode for timing, Supports over 300 time sources

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atto Pro | $2.99 | one-time |


## Frequently asked questions

### Is AVA Assistant free?

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

### Is Atto free?

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

### Do AVA Assistant or Atto have ads?

Atto shows ads; AVA Assistant does not.

### Which is updated more often, AVA Assistant or Atto?

AVA Assistant ships an update every 2 weeks, and Atto every 3 days. Most recently, AVA Assistant was updated on October 1, 2026 and Atto on October 15, 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.*