# OneHandClock vs Tempora

The clearest difference is in-app purchases: OneHandClock at none against Tempora's 4. OneHandClock also leads on ratings volume (5 vs 1) and iOS requirement (15.0 vs 18.0). Tempora's advantage is ads (none vs shown) and update cadence (every 5 days vs every 26 months). On price and device support there is nothing between them.

Both are free to download. Tempora sells 4 in-app purchases, starting at $0.99 per 7 days. OneHandClock asks for nothing beyond the download.

Tempora holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: OneHandClock has 5 ratings behind it against 1, so its average is the more settled of the two.

OneHandClock ships an update every 26 months, Tempora every 5 days. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | OneHandClock | Tempora |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/onehandclock/id680030950/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tempora-study-timer-and-clock/id6759538574/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 26 months | **Every 5 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 8 MB | 209 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [Dahan Kirisci](https://appshunter.io/developer/1782741808) |

## What reviewers say

### OneHandClock

[App page](https://appshunter.io/ios/app/onehandclock/id680030950)

Experience a unique approach to timekeeping with a minimalist, single-hand clock. Customize backgrounds with your photos or camera, and choose between 12 or 24-hour formats with 10-minute increments. A three-hand option with a smooth second hand is also available.

**Highlights:** Single-hand clock display, 24-hour and 12-hour formats, 10-minute scale divisions, Optional second hand, Customizable clock position and size, Camera or photo backgrounds, Character customization on dial

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

**In-app purchases:** none


### Tempora

[App page](https://appshunter.io/ios/app/tempora-study-timer-and-clock/id6759538574)

This app offers a beautifully designed clock, timer, and widget experience focused on productivity and aesthetics. It features various clock styles, immersive timers with ambient sounds, and focus sessions to enhance concentration. Customizable widgets and live activities provide real-time time tracking.

**Highlights:** Flip clock and glass-style designs, Analog and digital clock designs, Immersive timers with ambient sounds, Home screen clock widgets, Focus timer with Pomodoro sessions, Live Activities support, World time clock

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | per 7 days |
| Premium | $1.99 | per month |
| Premium | $9.99 | per year |
| Premium | $22.90 | one-time |


## Frequently asked questions

### Is OneHandClock free?

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

### Is Tempora free?

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

### Which has better reviews, OneHandClock or Tempora?

Tempora is rated higher. OneHandClock averages 4.6 out of 5 from 5 ratings, while Tempora averages 5.0 from 1 ratings.

### Do OneHandClock or Tempora have ads?

OneHandClock shows ads; Tempora does not.

### Which is updated more often, OneHandClock or Tempora?

OneHandClock ships an update every 26 months, and Tempora every 5 days. Most recently, OneHandClock was updated on September 28, 2026 and Tempora on September 24, 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.*