# EnvSentry vs AcuTrack

EnvSentry and AcuTrack are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EnvSentry ships an update fortnightly, AcuTrack every 2 weeks. Both last shipped on September 30, 2026.

## The numbers

| Metric | EnvSentry | AcuTrack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 33 MB | 46 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KUNSHAN AST Optoelectronics CO., LTD.](https://appshunter.io/developer/1863578655) | [GeekSensor](https://appshunter.io/developer/1893262553) |

## What reviewers say

### EnvSentry

[App page](https://appshunter.io/ios/app/envsentry/id6756901900)

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

**In-app purchases:** none


### AcuTrack

[App page](https://appshunter.io/ios/app/acutrack/id6762181608)

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

**In-app purchases:** none


## Frequently asked questions

### Is EnvSentry free?

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

### Is AcuTrack free?

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

### Do EnvSentry or AcuTrack have ads?

Neither EnvSentry nor AcuTrack shows ads.

### Which is updated more often, EnvSentry or AcuTrack?

EnvSentry ships an update fortnightly, and AcuTrack every 2 weeks. Most recently, EnvSentry was updated on September 30, 2026 and AcuTrack on September 30, 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.*