# big O'Clock vs Addmotor

The clearest difference is price: Addmotor at Free against big O'Clock's $0.99. Addmotor also leads on in-app purchases (none vs 3) and update cadence (weekly vs every 12 months). big O'Clock's advantage is rating (4.5 vs 1.0) and ratings volume (11 vs 3). On ads and device support there is nothing between them.

Addmotor is free to download; big O'Clock costs $0.99 up front. big O'Clock sells 3 one-off in-app purchases. Addmotor asks for nothing beyond the download.

big O'Clock holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 11 and 3 respectively.

big O'Clock ships an update every 12 months, Addmotor weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | big O'Clock | Addmotor |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/big-oclock/id1524090504/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/addmotor/id6745253403/reviews) |
| Number of ratings | **11** | 3 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Paid | — |
| Size | 31 MB | 267 MB |
| Requires iOS | 16.0 | **13** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [john bogaert](https://appshunter.io/developer/1524090506) | [ADDMOTOR TECH](https://appshunter.io/developer/1811531478) |

## What reviewers say

### big O'Clock

[App page](https://appshunter.io/ios/app/big-oclock/id1524090504)

A full-screen clock, timer, and stopwatch app featuring large, clear digits. It offers high-quality visuals, sounds, and vibrations, serving as a stylish nightstand or work clock.

**Highlights:** Full-screen display, Large, clear digits, Customizable sounds and vibrations, Timer functionality, Stopwatch functionality, Nightstand mode

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| I Love Big O'Clock | $1.99 | one-time |
| I Deeply Love Big O'Clock | $3.99 | one-time |
| I Adore Big O'Clock | $6.99 | one-time |


### Addmotor

[App page](https://appshunter.io/ios/app/addmotor/id6745253403)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is big O'Clock free?

big O'Clock costs $0.99, and also offers in-app purchases.

### Is Addmotor free?

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

### Which has better reviews, big O'Clock or Addmotor?

big O'Clock is rated higher. big O'Clock averages 4.5 out of 5 from 11 ratings, while Addmotor averages 1.0 from 3 ratings.

### Do big O'Clock or Addmotor have ads?

Neither big O'Clock nor Addmotor shows ads.

### Which is updated more often, big O'Clock or Addmotor?

big O'Clock ships an update every 12 months, and Addmotor weekly. Most recently, big O'Clock was updated on October 24, 2026 and Addmotor on October 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.*