# Sensor Labs vs Night Event Log

The clearest difference is ads: Night Event Log at none against Sensor Labs's shown. Sensor Labs's advantage is update cadence (every 2 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Sensor Labs sells 1 one-off in-app purchase and Night Event Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sensor Labs ships an update every 2 days, Night Event Log monthly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sensor Labs | Night Event Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Monthly |
| Size | 11 MB | 313 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gnanasuriyan Gnana Oli](https://appshunter.io/developer/1865699730) | [HOBEEC](https://appshunter.io/developer/465035845) |

## What reviewers say

### Sensor Labs

[App page](https://appshunter.io/ios/app/sensor-labs-physics-sensors/id6757404916)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sensor Labs Pro | $9.99 | one-time |


### Night Event Log

[App page](https://appshunter.io/ios/app/night-event-log/id6782749667)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $5.99 | one-time |


## Frequently asked questions

### Is Sensor Labs free?

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

### Is Night Event Log free?

Night Event Log is free to download, with in-app purchases available.

### Do Sensor Labs or Night Event Log have ads?

Sensor Labs shows ads; Night Event Log does not.

### Which is updated more often, Sensor Labs or Night Event Log?

Sensor Labs ships an update every 2 days, and Night Event Log monthly. Most recently, Sensor Labs was updated on October 31, 2026 and Night Event Log on October 25, 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.*