# Rock River Current vs Harmony Calipers

The clearest difference is price: Rock River Current at Free against Harmony Calipers's $4.99. Harmony Calipers's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Rock River Current is free to download; Harmony Calipers costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rock River Current ships an update every 2 months, Harmony Calipers monthly. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Rock River Current | Harmony Calipers |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/rock-river-current/id1627453526/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 56 MB | 9 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mid-West Family Broadcasting Group](https://appshunter.io/developer/449266945) | [Salvatore Angelone](https://appshunter.io/developer/1896278497) |

## What reviewers say

### Rock River Current

[App page](https://appshunter.io/ios/app/rock-river-current/id1627453526)

Get local news for the Rockford area, focusing on enterprise journalism, business, dining, and community events. Stay informed with timely updates and alerts on top stories.

**Highlights:** Enterprise journalism, Business and restaurant news, Community-focused reporting, Local information and alerts, Timely updates on things to do

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

**In-app purchases:** none


### Harmony Calipers

[App page](https://appshunter.io/ios/app/harmony-calipers/id6794780361)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rock River Current free?

Rock River Current is free to download, with no in-app purchases.

### Is Harmony Calipers free?

Harmony Calipers costs $4.99, with no in-app purchases.

### Do Rock River Current or Harmony Calipers have ads?

Rock River Current shows ads; Harmony Calipers does not.

### Which is updated more often, Rock River Current or Harmony Calipers?

Rock River Current ships an update every 2 months, and Harmony Calipers monthly. Most recently, Rock River Current was updated on October 10, 2026 and Harmony Calipers on October 12, 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.*