# OffOf vs Tempus World Clock

The clearest difference is review sentiment: Tempus World Clock at 100% against OffOf's 61%. Tempus World Clock also leads on update cadence (every 10 days vs every 59 months) and rating (5.0 vs 4.6). OffOf's advantage is ratings volume (11 vs 1) and chart position (#129 vs unranked). On ads, in-app purchases and iOS requirement there is nothing between them.

OffOf costs $0.99 and Tempus World Clock $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tempus World Clock holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: OffOf has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 61% of OffOf's written reviews are positive against 100% of Tempus World Clock's.

OffOf ships an update every 59 months, Tempus World Clock every 10 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OffOf | Tempus World Clock |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [4.6 (11 ratings)](https://appshunter.io/ios/app/offof/id883081837/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tempus-world-clock/id6757654219/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 60.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 59 months | **Every 10 days** |
| Monetization | **Free** | Paid |
| Best chart rank | **#129** | — |
| Size | 5 MB | 61 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Daeo Corp. Software](https://appshunter.io/developer/440991527) | [Viktor Gamov](https://appshunter.io/developer/1868107656) |

## What reviewers say

### OffOf

[App page](https://appshunter.io/ios/app/offof/id883081837)

**Currently charting:** #129 Top Paid · Utilities (US App Store)

This app simplifies percentage calculations for shopping discounts and finding a percentage of a number. It offers a clean interface with satisfying sound and haptic feedback for a delightful user experience.

**Highlights:** Calculate percentage OFF, Calculate percentage OF, Shopping discount calculations, Mechanical keyboard sounds, Haptic feedback

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- ✨ Gorgeous design
- 👍 Simple and useful utility
- 💯 Best percentage calculator
- ✅ Does what it says
- 💡 Beautifully minimalist

**What reviewers complain about**

- ❌ Not updated
- ⚠️ Abandoned app
- 📉 No longer works
- 💔 Incompatible with iOS
- ⏳ Outdated

**Reported bugs**

- Not compatible with new iOS updates
- App no longer opens/works
- Freezes and force closes

**Requested features**

- Make it a fully functional calculator
- Update to new software/iOS versions
- Show final price after discount
- Auto clear fields on tap
- Update for X screens


### Tempus World Clock

[App page](https://appshunter.io/ios/app/tempus-world-clock/id6757654219)

Easily track multiple time zones with customizable clocks for people and places. Convert times instantly, find optimal meeting slots across different regions, and view city details including weather and sunrise/sunset.

**Highlights:** Customizable clocks with names and colors, Instant time conversion across zones, Meeting time finder with working hours, City detail view with weather and sunrise/sunset, Apple Watch app and complications, Home Screen widgets, iCloud sync across devices

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

**In-app purchases:** none


## Frequently asked questions

### Is OffOf free?

OffOf costs $0.99, with no in-app purchases.

### Is Tempus World Clock free?

Tempus World Clock costs $1.99, with no in-app purchases.

### Which has better reviews, OffOf or Tempus World Clock?

Tempus World Clock is rated higher. OffOf averages 4.6 out of 5 from 11 ratings, while Tempus World Clock averages 5.0 from 1 ratings.

### Do OffOf or Tempus World Clock have ads?

Neither OffOf nor Tempus World Clock shows ads.

### Which is updated more often, OffOf or Tempus World Clock?

OffOf ships an update every 59 months, and Tempus World Clock every 10 days. Most recently, OffOf was updated on October 26, 2026 and Tempus World Clock on October 27, 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.*