# Time Flies By vs Atteno

The clearest difference is update cadence: Time Flies By at weekly against Atteno's every 4 weeks. Atteno's advantage is device support (3 vs 1) and iOS requirement (16.1 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Time Flies By sells 3 in-app purchases, starting at $0.99 per month and Atteno sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Time Flies By ships an update weekly, Atteno every 4 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Time Flies By | Atteno |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/time-flies-by/id6756827059/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | Freemium | — |
| Size | 4 MB | 35 MB |
| Requires iOS | 26.0 | **16.1** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kai Luo](https://appshunter.io/developer/344176636) | [子文 杨](https://appshunter.io/developer/1804228519) |

## What reviewers say

### Time Flies By

[App page](https://appshunter.io/ios/app/time-flies-by/id6756827059)

Understand how you spend your time with a count-up tracker that runs multiple events simultaneously. Analyze your weekly habits with detailed breakdowns and spot trends over time. Stay focused with anti-sleep mode and access live updates via Dynamic Island.

**Highlights:** Simultaneous count-up time tracking, Tagging for context, Weekly analytics and trend comparison, Live Activity and Dynamic Island integration, iCloud sync across devices, Anti-sleep mode for focus

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $4.99 | per year |
| Premium Lifetime | $14.99 | one-time |


### 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 Time Flies By free?

Time Flies By is free to download, with in-app purchases available.

### Is Atteno free?

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

### Do Time Flies By or Atteno have ads?

Neither Time Flies By nor Atteno shows ads.

### Which is updated more often, Time Flies By or Atteno?

Time Flies By ships an update weekly, and Atteno every 4 weeks. Most recently, Time Flies By was updated on October 25, 2026 and Atteno on October 24, 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.*