# Extract Numbers and SUM vs ONE WATCH

The clearest difference is in-app purchases: Extract Numbers and SUM at none against ONE WATCH's 3. Extract Numbers and SUM also leads on iOS requirement (13.0 vs 18.0). ONE WATCH's advantage is ads (none vs shown) and update cadence (every 3 days vs every 4 months). On price and device support there is nothing between them.

Both are free to download. ONE WATCH sells 3 in-app purchases, starting at $2.99 per month. Extract Numbers and SUM asks for nothing beyond the download.

Extract Numbers and SUM ships an update every 4 months, ONE WATCH every 3 days. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Extract Numbers and SUM | ONE WATCH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 days** |
| Size | 22 MB | 52 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ikeda tomoki](https://appshunter.io/developer/1538370047) | [Johann Szebeni](https://appshunter.io/developer/1880746405) |

## What reviewers say

### Extract Numbers and SUM

[App page](https://appshunter.io/ios/app/extract-numbers-and-sum/id1581925241)

**Features:** macOS Compatibility

**In-app purchases:** none


### ONE WATCH

[App page](https://appshunter.io/ios/app/one-watch-timezone-clock/id6777670673)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |
| Premium Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Extract Numbers and SUM free?

Extract Numbers and SUM is free to download, with no in-app purchases.

### Is ONE WATCH free?

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

### Do Extract Numbers and SUM or ONE WATCH have ads?

Extract Numbers and SUM shows ads; ONE WATCH does not.

### Which is updated more often, Extract Numbers and SUM or ONE WATCH?

Extract Numbers and SUM ships an update every 4 months, and ONE WATCH every 3 days. Most recently, Extract Numbers and SUM was updated on September 10, 2026 and ONE WATCH on September 7, 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.*