# Simple Clock vs Sajdah Pro

The clearest difference is in-app purchases: Sajdah Pro at none against Simple Clock's 2. Sajdah Pro also leads on ads (none vs shown). Simple Clock's advantage is iOS requirement (11.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Simple Clock sells 2 one-off in-app purchases. Sajdah Pro asks for nothing beyond the download.

Simple Clock ships an update fortnightly, Sajdah Pro every 3 weeks. The most recent releases landed on October 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Simple Clock | Sajdah Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (304 ratings)](https://appshunter.io/ios/app/simple-clock-study-with-me/id1462926848/reviews)** | — |
| Number of ratings | **304** | — |
| Positive reviews | 74.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 16 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [乃君 黄](https://appshunter.io/developer/1337343608) | [Kheir studio Limited](https://appshunter.io/developer/1896121012) |

## What reviewers say

### Simple Clock

[App page](https://appshunter.io/ios/app/simple-clock-study-with-me/id1462926848)

A straightforward digital clock designed for focus and study sessions. It offers a simple interface with essential timekeeping functions and customizable themes to enhance your work environment.

**Highlights:** Basic time, date, week display, Countdown timer, Timing function, Pomodoro timer, Multiple themes and fonts, Custom background image

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlock all contents | $0.99 | one-time |
| Support Developer | $1.99 | one-time |

**What reviewers like**

- 👍 Simplicity and ease of use
- 🌟 Good for study focus
- 🖼️ Customizable backgrounds/fonts
- ✨ Minimalist design
- 🚫 Ad-free (for some users)

**What reviewers complain about**

- 💰 Many features require payment
- 🤔 Difficult to navigate/find options
- ⏳ Limited timer duration (free version)
- 📱 Some users report unresponsiveness
- 💸 Paid features should be free

**Reported bugs**

- Cannot exit timer mode
- App unresponsive on some devices
- Quit working correctly, stuck on military time
- Cannot change clock design
- Not compatible with iPhone

**Requested features**

- Add alarm function
- Allow setting custom wallpaper and adjusting its size/position
- Add option to change font color with custom images
- Add a countdown feature
- Add PiP mode for iPad


### Sajdah Pro

[App page](https://appshunter.io/ios/app/sajdah-pro/id6790949641)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Clock free?

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

### Is Sajdah Pro free?

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

### Do Simple Clock or Sajdah Pro have ads?

Simple Clock shows ads; Sajdah Pro does not.

### Which is updated more often, Simple Clock or Sajdah Pro?

Simple Clock ships an update fortnightly, and Sajdah Pro every 3 weeks. Most recently, Simple Clock was updated on October 29, 2026 and Sajdah Pro on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*