# SureEYE vs Acoustic Tachometer

The clearest difference is in-app purchases: SureEYE at none against Acoustic Tachometer's 1. SureEYE also leads on iOS requirement (6.0 vs 26.0). Acoustic Tachometer's advantage is update cadence (fortnightly vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Acoustic Tachometer sells 1 one-off in-app purchase. SureEYE asks for nothing beyond the download.

SureEYE ships an update every 5 weeks, Acoustic Tachometer fortnightly. Both last shipped on November 1, 2026.

## The numbers

| Metric | SureEYE | Acoustic Tachometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sureeye/id454948235/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 65 MB | 9 MB |
| Requires iOS | **6.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SureM Co., Ltd.](https://appshunter.io/developer/406601989) | [Jan Sokol](https://appshunter.io/developer/1896490456) |

## What reviewers say

### SureEYE

[App page](https://appshunter.io/ios/app/sureeye/id454948235)

Monitor your SureEYE IP cameras remotely from any location with a 3G or Wi-Fi connection. Keep an eye on your home, office, children, pets, or valuables in real-time. This free application offers convenient features for seamless surveillance.

**Highlights:** Remote real-time monitoring, Unlimited camera registration, Live preview, Pan, tilt, and zoom controls, Snapshot capture, Brightness and contrast adjustment

**Features:** macOS Compatibility

**In-app purchases:** none


### Acoustic Tachometer

[App page](https://appshunter.io/ios/app/acoustic-tachometer/id6789524641)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Acoustic Tachometer Pro | $5.99 | one-time |


## Frequently asked questions

### Is SureEYE free?

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

### Is Acoustic Tachometer free?

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

### Do SureEYE or Acoustic Tachometer have ads?

Neither SureEYE nor Acoustic Tachometer shows ads.

### Which is updated more often, SureEYE or Acoustic Tachometer?

SureEYE ships an update every 5 weeks, and Acoustic Tachometer fortnightly. Most recently, SureEYE was updated on November 1, 2026 and Acoustic Tachometer on November 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.*