# Watch Spring vs Screen Light App

The clearest difference is price: Screen Light App at Free against Watch Spring's $3.99. Screen Light App also leads on iOS requirement (18.0 vs 26.0). Watch Spring's advantage is in-app purchases (none vs 3). On update cadence, ads and device support there is nothing between them.

Screen Light App is free to download; Watch Spring costs $3.99 up front. Screen Light App sells 3 one-off in-app purchases. Watch Spring asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Watch Spring | Screen Light App |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/watch-spring/id1617113233/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Paid | — |
| Size | 12 MB | 2 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | +4 | 4+ |
| Developer | [Simon Greig](https://appshunter.io/developer/562988756) | [Rikuto Kumada](https://appshunter.io/developer/1791309889) |

## What reviewers say

### Watch Spring

[App page](https://appshunter.io/ios/app/watch-spring/id1617113233)

Track the accuracy and wear of your mechanical watches. Analyze trends with charts, log service history, and keep notes on watch details. See how your collection performs over time and manage your ownership history.

**Highlights:** Accuracy tracking and trend charts, Wear calendar and statistics, Watch collection summary cards, Service and repair logging, Ownership history timeline, Time-setting clock, CSV import/export

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

**In-app purchases:** none


### Screen Light App

[App page](https://appshunter.io/ios/app/screen-light-app/id6756564713)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Cake set | $2.99 | one-time |
| Dinner | $5.99 | one-time |


## Frequently asked questions

### Is Watch Spring free?

Watch Spring costs $3.99, with no in-app purchases.

### Is Screen Light App free?

Screen Light App is free to download, with in-app purchases available.

### Do Watch Spring or Screen Light App have ads?

Neither Watch Spring nor Screen Light App shows ads.

### Which is updated more often, Watch Spring or Screen Light App?

Watch Spring ships an update fortnightly, and Screen Light App fortnightly. Most recently, Watch Spring was updated on October 14, 2026 and Screen Light App on October 1, 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.*