# Solar Arc vs BatchMark

The clearest difference is price: BatchMark at Free against Solar Arc's $2.99. BatchMark also leads on review sentiment (100% vs 65%) and rating (5.0 vs 4.6). Solar Arc's advantage is in-app purchases (none vs 5) and ratings volume (34 vs 4). On update cadence, ads, device support and iOS requirement there is nothing between them.

BatchMark is free to download; Solar Arc costs $2.99 up front. BatchMark sells 5 in-app purchases, starting at $0.99 per 7 days. Solar Arc asks for nothing beyond the download.

BatchMark holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Solar Arc has 34 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 65% of Solar Arc's written reviews are positive against 100% of BatchMark's.

Both ship on a similar rhythm, roughly every 5 days. Both last shipped on November 9, 2026.

## The numbers

| Metric | Solar Arc | BatchMark |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.6 (34 ratings)](https://appshunter.io/ios/app/solar-arc-golden-hour-tracker/id6752503669/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/batchmark-batch-watermark/id6759683285/reviews)** |
| Number of ratings | **34** | 4 |
| Positive reviews | 64.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 207 MB |
| Requires iOS | **17.0** | 17.1 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Spruzzo Labs Inc.](https://appshunter.io/developer/1761259285) | [晨龙 于](https://appshunter.io/developer/1747231927) |

## What reviewers say

### Solar Arc

[App page](https://appshunter.io/ios/app/solar-arc-golden-hour-tracker/id6752503669)

Track the sun and moon's position and light conditions throughout the day. Ideal for photographers, hikers, and stargazers, it provides precise golden hour timings and a 52-week forecast for optimal planning.

**Highlights:** Live gradient line and arc visualizations, Scrub through the day with drag gestures, Sun, moon, or dual view, Precise golden hour and blue hour timing, 52-week forecast, Activity-specific modes, Multiple home screen widgets

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

**In-app purchases:** none


### BatchMark

[App page](https://appshunter.io/ios/app/batchmark-batch-watermark/id6759683285)

Easily add text or logo watermarks to multiple photos simultaneously. Enhance your images with frames, combine them into long stories, and extract color palettes. All processing is done on your device with no ads.

**Highlights:** Batch watermarking (text/logo), Photo framing and matting, Create photo stories, Customizable watermark templates, Color palette extraction, Batch filter application, On-device processing

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $0.99 | per 7 days |
| Monthly Pro | $3.99 | per month |
| 年度会员 | $39.99 | per year |
| Lifetime Holiday | $39.99 | one-time |
| Lifetime Pro | $79.99 | one-time |


## Frequently asked questions

### Is Solar Arc free?

Solar Arc costs $2.99, with no in-app purchases.

### Is BatchMark free?

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

### Which has better reviews, Solar Arc or BatchMark?

BatchMark is rated higher. Solar Arc averages 4.6 out of 5 from 34 ratings, while BatchMark averages 5.0 from 4 ratings.

### Do Solar Arc or BatchMark have ads?

Neither Solar Arc nor BatchMark shows ads.

### Which is updated more often, Solar Arc or BatchMark?

Solar Arc ships an update every 5 days, and BatchMark every 5 days. Most recently, Solar Arc was updated on November 9, 2026 and BatchMark on November 9, 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.*