# Period vs timeAttackTodo

The clearest difference is in-app purchases: timeAttackTodo at none against Period's 1. timeAttackTodo also leads on ads (none vs shown) and update cadence (every 5 days vs monthly). Period's advantage is iOS requirement (15.1 vs 17.0). On price and device support there is nothing between them.

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

Period ships an update monthly, timeAttackTodo every 5 days. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Period | timeAttackTodo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free |
| Size | 45 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [TOMOKI KAMO](https://appshunter.io/developer/1752641308) | [Masayuki Yamaji](https://appshunter.io/developer/1270013649) |

## What reviewers say

### Period

[App page](https://appshunter.io/ios/app/period-based-scheduler-comma/id6504521309)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムパス | $2.99 | one-time |


### timeAttackTodo

[App page](https://appshunter.io/ios/app/timeattacktodo/id6747077099)

This app gamifies your daily tasks by setting timers and challenging your past performance. Track your progress, aim for new personal bests, and build streaks to stay motivated. It supports multiple devices and offers a clean, accessible design.

**Highlights:** Time attack timer with countdown, Personal best records and ranking system, Daily achievement streaks, Habit tracker with weekly scheduling, Apple Watch integration, Live Activity for dynamic display, Dark and light mode options, iCloud synchronization

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Period free?

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

### Is timeAttackTodo free?

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

### Do Period or timeAttackTodo have ads?

Period shows ads; timeAttackTodo does not.

### Which is updated more often, Period or timeAttackTodo?

Period ships an update monthly, and timeAttackTodo every 5 days. Most recently, Period was updated on October 9, 2026 and timeAttackTodo on October 16, 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.*