# Productivity Challenge Timer vs Vooli

The clearest difference is device support: Productivity Challenge Timer at 3 against Vooli's 1. Productivity Challenge Timer also leads on iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Productivity Challenge Timer sells 1 one-off in-app purchase and Vooli sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Productivity Challenge Timer | Vooli |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (210 ratings)](https://appshunter.io/ios/app/productivity-challenge-timer/id1117766356/reviews)** | — |
| Number of ratings | **210** | — |
| Positive reviews | 95.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 46 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Vladimir Jovanovic](https://appshunter.io/developer/1117368400) | [VOOLI LLC](https://appshunter.io/developer/1896601553) |

## What reviewers say

### Productivity Challenge Timer

[App page](https://appshunter.io/ios/app/productivity-challenge-timer/id1117766356)

This app gamifies productivity by challenging users to work harder and track their habits. Earn ranks, unlock achievements, and monitor your work patterns over time to identify peak productivity periods. It focuses on intense work sessions and detailed time tracking for projects.

**Highlights:** Gamified productivity challenges, Rank and achievement system, Detailed work habit tracking, Project-specific time logging, Focus on uninterrupted work sessions, Productivity analytics by day/hour

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro mode | $8.99 | one-time |

**What reviewers like**

- 🚀 Efficient and reliable
- 👍 Intuitive and user-friendly
- 💡 Gamified approach motivates users
- 📊 Comprehensive statistics and tracking
- 🤖 Snarky and humorous personality

**What reviewers complain about**

- 🔊 Disruptive ads in free version
- 🔔 Overly aggressive notifications
- 🔒 Lack of cloud sync/backup
- 🕰️ Inability to pause or extend sessions

**Reported bugs**

- Occasional sound issues
- Slow loading of historical data
- Inconsistencies between iOS and Android versions

**Requested features**

- Apple Watch support
- Customizable timer durations
- Ability to add notes to sessions
- Weekend/holiday mode to avoid demotions
- More advanced goal-tracking and analytics


### Vooli

[App page](https://appshunter.io/ios/app/vooli/id6768756341)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vooli Pro | $19.99 | one-time |


## Frequently asked questions

### Is Productivity Challenge Timer free?

Productivity Challenge Timer is free to download, with in-app purchases available.

### Is Vooli free?

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

### Do Productivity Challenge Timer or Vooli have ads?

Neither Productivity Challenge Timer nor Vooli shows ads.

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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.*