# Lucent vs Atteno

The clearest difference is in-app purchases: Lucent at none against Atteno's 1. Lucent also leads on update cadence (every 5 days vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

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

Lucent ships an update every 5 days, Atteno every 4 weeks. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Lucent | Atteno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Size | 37 MB | 35 MB |
| Requires iOS | **15.1** | 16.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Trung Kien](https://appshunter.io/developer/1849106734) | [子文 杨](https://appshunter.io/developer/1804228519) |

## What reviewers say

### Lucent

[App page](https://appshunter.io/ios/app/lucent-pomodoro-focus-timer/id6754592413)

**Features:** macOS Compatibility

**In-app purchases:** none


### Atteno

[App page](https://appshunter.io/ios/app/atteno-focus-timer-and-study/id6757382433)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atteno Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Lucent free?

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

### Is Atteno free?

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

### Do Lucent or Atteno have ads?

Neither Lucent nor Atteno shows ads.

### Which is updated more often, Lucent or Atteno?

Lucent ships an update every 5 days, and Atteno every 4 weeks. Most recently, Lucent was updated on September 18, 2026 and Atteno on September 13, 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.*