# Smart Sloth vs CLEPSYDRA

The clearest difference is price: Smart Sloth at Free against CLEPSYDRA's $2.99. CLEPSYDRA's advantage is in-app purchases (none vs 4) and update cadence (every 2 days vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

Smart Sloth is free to download; CLEPSYDRA costs $2.99 up front. Smart Sloth sells 4 in-app purchases, starting at $0.99 per month. CLEPSYDRA asks for nothing beyond the download.

Smart Sloth ships an update every 2 months, CLEPSYDRA every 2 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Smart Sloth | CLEPSYDRA |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.1 (33 ratings)](https://appshunter.io/ios/app/smart-sloth-focus-study-timer/id1509929941/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 73.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 96 MB | 21 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jafar Najafov](https://appshunter.io/developer/946531378) | [Michal Juraszek](https://appshunter.io/developer/6792477824) |

## What reviewers say

### Smart Sloth

[App page](https://appshunter.io/ios/app/smart-sloth-focus-study-timer/id1509929941)

This app combines a Pomodoro timer with task management to boost efficiency and focus. It helps users overcome procrastination and conquer tasks with science-based techniques and customizable settings. Achieve your goals and become more time-conscious with this productivity tool.

**Highlights:** Pomodoro timer integration, Task management, Customizable task lengths, Time-based notifications, Gesture-based controls, Notification center task management

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Monthly Subscription | $1.49 | per month |
| Yearly Subscription | $4.49 | per year |
| Lifetime | $4.99 | one-time |


### CLEPSYDRA

[App page](https://appshunter.io/ios/app/clepsydra-sequential-timer/id6792477822)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart Sloth free?

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

### Is CLEPSYDRA free?

CLEPSYDRA costs $2.99, with no in-app purchases.

### Do Smart Sloth or CLEPSYDRA have ads?

Neither Smart Sloth nor CLEPSYDRA shows ads.

### Which is updated more often, Smart Sloth or CLEPSYDRA?

Smart Sloth ships an update every 2 months, and CLEPSYDRA every 2 days. Most recently, Smart Sloth was updated on October 2, 2026 and CLEPSYDRA on October 1, 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.*