# Senso4s vs Flight Times Recorder

The clearest difference is price: Senso4s at Free against Flight Times Recorder's $1.99. Senso4s also leads on iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Senso4s is free to download; Flight Times Recorder costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Senso4s ships an update every 6 weeks, Flight Times Recorder monthly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Senso4s | Flight Times Recorder |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 20.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 91 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Senso4s d.o.o.](https://appshunter.io/developer/1447741982) | [Small Aviation Tools](https://appshunter.io/developer/1887792413) |

## What reviewers say

### Senso4s

[App page](https://appshunter.io/ios/app/senso4s/id1447741983)

Monitor your daily gas consumption in cylinders with this app, connecting to a smart device for real-time levels and historical data. It accurately predicts when you'll run out of gas and allows sharing access with others for enhanced safety and convenience.

**Highlights:** Real-time gas level monitoring, Graphical history of gas consumption, Accurate gas run-out prediction, Connect multiple devices, Share device access with others, User-friendly interface

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

**In-app purchases:** none


### Flight Times Recorder

[App page](https://appshunter.io/ios/app/flight-times-recorder/id6761496254)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Senso4s free?

Senso4s is free to download, with no in-app purchases.

### Is Flight Times Recorder free?

Flight Times Recorder costs $1.99, with no in-app purchases.

### Do Senso4s or Flight Times Recorder have ads?

Neither Senso4s nor Flight Times Recorder shows ads.

### Which is updated more often, Senso4s or Flight Times Recorder?

Senso4s ships an update every 6 weeks, and Flight Times Recorder monthly. Most recently, Senso4s was updated on November 6, 2026 and Flight Times Recorder on November 5, 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.*