# TI vs Twelve O'clock

The clearest difference is price: Twelve O'clock at Free against TI's $0.99. Twelve O'clock also leads on rating (4.4 vs 3.8) and update cadence (every 3 weeks vs every 8 months). TI's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 14.0). On ads and device support there is nothing between them.

Twelve O'clock is free to download; TI costs $0.99 up front. Twelve O'clock sells 1 one-off in-app purchase. TI asks for nothing beyond the download.

Twelve O'clock holds the better App Store score, 4.4 against 3.8. That said, the two scores are not equally well evidenced: Twelve O'clock has 82 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 73% of TI's written reviews are positive against 91% of Twelve O'clock's.

TI ships an update every 8 months, Twelve O'clock every 3 weeks. The most recent releases landed on August 23, 2026 and August 10, 2026 respectively.

## The numbers

| Metric | TI | Twelve O'clock |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.8 (8 ratings)](https://appshunter.io/ios/app/time/id571943149/reviews) | **[4.4 (82 ratings)](https://appshunter.io/ios/app/twelve-oclock/id1570977980/reviews)** |
| Number of ratings | 8 | **82** |
| Positive reviews | 73.3% of reviews | **91.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 45 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Clauss](https://appshunter.io/developer/286091996) | [Hieu Pham](https://appshunter.io/developer/1570977982) |

## What reviewers say

### TI

[App page](https://appshunter.io/ios/app/time/id571943149)

This utility app displays the current time in various unconventional formats, including decimal, hexadecimal, and Swatch Internet time. It's designed for users who appreciate unique and challenging ways to view time, with some formats requiring specialized knowledge to interpret.

**Highlights:** Decimal time display, Hexadecimal time display, Swatch Internet time, Trigonometry clock, PT clock, Large, easy-to-read digits

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

**In-app purchases:** none


### Twelve O'clock

[App page](https://appshunter.io/ios/app/twelve-oclock/id1570977980)

Easily track the accuracy of your mechanical watches over time. Manually log checkpoints to calculate seconds per day and visualize performance with charts. Manage your watch collection with photos and learn more about horology.

**Highlights:** Manage watch collection, Add/edit/remove watches, Include watch photos, Track watch accuracy, Calculate seconds per day, View accuracy charts, Horology content

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Twelve Plus | $1.99 | one-time |

**What reviewers like**

- 👍 Intuitive and simple user interface
- 💰 Excellent value at $0.99 one-time purchase
- 🎯 Accurate watch accuracy tracking
- ⏱️ Flexible checkpoint timing (0, 15, 30, 45 seconds)
- 📊 Clear data visualization and graphs

**What reviewers complain about**

- 🐛 App freezes and crashes frequently
- 💾 Data loss after updates
- ⚠️ Free version severely limited (5 checkpoints only)
- 🔔 Silent mode prevents beeping sounds
- 🎯 Requires learning curve for some users

**Reported bugs**

- App freezes at loading requiring phone restart
- Data deletion after app updates
- Data loss on app crash
- Graph display glitches after checkpoints
- Photo checkpoint feature returns 'old photo not supported' error

**Requested features**

- iCloud/cloud synchronization across devices
- Notifications or reminders for checkpoints
- Current time button on checkpoint screen
- Larger buttons for 15/30/45 second marks
- Power reserve tracking


## Frequently asked questions

### Is TI free?

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

### Is Twelve O'clock free?

Twelve O'clock is free to download, with in-app purchases available.

### Which has better reviews, TI or Twelve O'clock?

Twelve O'clock is rated higher. TI averages 3.8 out of 5 from 8 ratings, while Twelve O'clock averages 4.4 from 82 ratings.

### Do TI or Twelve O'clock have ads?

Neither TI nor Twelve O'clock shows ads.

### Which is updated more often, TI or Twelve O'clock?

TI ships an update every 8 months, and Twelve O'clock every 3 weeks. Most recently, TI was updated on August 23, 2026 and Twelve O'clock on August 10, 2026.

---

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