# TATTLE SYSTEMS GO vs Fuel Lock Device Simulator

The clearest difference is update cadence: TATTLE SYSTEMS GO at every 5 weeks against Fuel Lock Device Simulator's every 6 months. Fuel Lock Device Simulator's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

TATTLE SYSTEMS GO ships an update every 5 weeks, Fuel Lock Device Simulator every 6 months. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TATTLE SYSTEMS GO | Fuel Lock Device Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 5 MB | 173 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NORTH STAR SYSTEMS INC](https://appshunter.io/developer/1108617202) | [Melcher Media & Design Inc.](https://appshunter.io/developer/491146945) |

## What reviewers say

### TATTLE SYSTEMS GO

[App page](https://appshunter.io/ios/app/tattle-systems-go/id1503192321)

This business application connects to a custom IoT cloud platform for managing devices. It requires a username and password provided upon purchasing a Tattle System device. Location sharing is requested before app use.

**Highlights:** IoT cloud platform support, Customizable ecosystem, Requires Tattle System purchase, Username and password login, Location sharing option

**In-app purchases:** none


### Fuel Lock Device Simulator

[App page](https://appshunter.io/ios/app/fuel-lock-device-simulator/id1516673364)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TATTLE SYSTEMS GO free?

TATTLE SYSTEMS GO is free to download, with no in-app purchases.

### Is Fuel Lock Device Simulator free?

Fuel Lock Device Simulator is free to download, with no in-app purchases.

### Do TATTLE SYSTEMS GO or Fuel Lock Device Simulator have ads?

Neither TATTLE SYSTEMS GO nor Fuel Lock Device Simulator shows ads.

### Which is updated more often, TATTLE SYSTEMS GO or Fuel Lock Device Simulator?

TATTLE SYSTEMS GO ships an update every 5 weeks, and Fuel Lock Device Simulator every 6 months. Most recently, TATTLE SYSTEMS GO was updated on October 14, 2026 and Fuel Lock Device Simulator 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.*