# ErgoArmMeter vs RedDash

The clearest difference is in-app purchases: ErgoArmMeter at none against RedDash's 2. ErgoArmMeter also leads on iOS requirement (8.1 vs 17.6). RedDash's advantage is update cadence (every 5 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. RedDash sells 2 in-app purchases, starting at $0.99 per month. ErgoArmMeter asks for nothing beyond the download.

ErgoArmMeter ships an update every 4 months, RedDash every 5 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ErgoArmMeter | RedDash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/reddash-dashcam-for-tesla/id6757209186/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 38 MB |
| Requires iOS | **8.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Karolinska Institutet](https://appshunter.io/developer/969523861) | [刚 熊](https://appshunter.io/developer/1865330771) |

## What reviewers say

### ErgoArmMeter

[App page](https://appshunter.io/ios/app/ergoarmmeter/id1042947334)

**Features:** macOS Compatibility

**In-app purchases:** none


### RedDash

[App page](https://appshunter.io/ios/app/reddash-dashcam-for-tesla/id6757209186)

Review and manage Tesla Dashcam and Sentry Mode footage directly on your iPhone or iPad. This app allows for synchronized multi-camera playback, quick preview of Sentry events, and instant export of video evidence with real-time telemetry overlays.

**Highlights:** Synchronized 4-camera playback, Sentry event list with preview, Multi-angle video export, Real-time telemetry overlay, Digital Dashboard telemetry panel, Instant evidence export

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RedDash Pro Monthly | $0.99 | per month |
| Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is ErgoArmMeter free?

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

### Is RedDash free?

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

### Do ErgoArmMeter or RedDash have ads?

Neither ErgoArmMeter nor RedDash shows ads.

### Which is updated more often, ErgoArmMeter or RedDash?

ErgoArmMeter ships an update every 4 months, and RedDash every 5 days. Most recently, ErgoArmMeter was updated on November 2, 2026 and RedDash on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*