# SimpleClock vs TempusLocusLux

The clearest difference is ads: SimpleClock at none against TempusLocusLux's shown. SimpleClock also leads on update cadence (every 2 weeks vs monthly) and iOS requirement (15.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. SimpleClock sells 3 one-off in-app purchases and TempusLocusLux sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SimpleClock ships an update every 2 weeks, TempusLocusLux monthly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SimpleClock | TempusLocusLux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/simpleclock-good-for-studying/id1517303911/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 11 MB | 12 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reo Shigeno](https://appshunter.io/developer/1788864693) | [YUTAKA MIMURA](https://appshunter.io/developer/1865174244) |

## What reviewers say

### SimpleClock

[App page](https://appshunter.io/ios/app/simpleclock-good-for-studying/id1517303911)

A customizable clock app designed for studying, offering a clean interface with no ads or charges. Personalize the background, font, and text color, and utilize built-in stopwatch and timer functions. Widgets are now available for enhanced convenience.

**Highlights:** Customizable clock appearance, No ads or charges, Stopwatch function, Timer function, Widget support, Dark mode support

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cheer for the developer | $0.49 | one-time |
| Cheer for the developer | $2.99 | one-time |
| Cheer for the developer | $5.99 | one-time |


### TempusLocusLux

[App page](https://appshunter.io/ios/app/tempuslocuslux/id6759387068)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TempusLocusLux Pro (Lifetime) | $0.99 | one-time |
| Support Development (Small) | $0.99 | one-time |
| Support Development (Large) | $9.99 | one-time |


## Frequently asked questions

### Is SimpleClock free?

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

### Is TempusLocusLux free?

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

### Do SimpleClock or TempusLocusLux have ads?

TempusLocusLux shows ads; SimpleClock does not.

### Which is updated more often, SimpleClock or TempusLocusLux?

SimpleClock ships an update every 2 weeks, and TempusLocusLux monthly. Most recently, SimpleClock was updated on October 24, 2026 and TempusLocusLux on October 28, 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.*