Comparison

Fuel vs TextSentinel

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fuel

Monitor your vehicle's ethanol concentration and fuel temperature in real-time. This app wirelessly connects to a compatible Bluetooth module, freeing up your device's port for simultaneous charging and monitoring. It includes an ethanol fill-up concentration calculator and customizable display views.

Highlights
  • Real-time ethanol concentration monitoring
  • Real-time fuel temperature monitoring
  • Wireless Bluetooth connectivity
  • Ethanol fill-up concentration calculator
  • Fahrenheit or Celsius display options
  • Two display views
Features
Read full description

***Note that this app requires a custom Bluetooth module to function. Info on the module can be found here: https://fuel-it.com/products/fuel-it-bluetooth-flex-fuel-analyzer The Fuel-It ECA gives you realtime feedback from your Continental Ethanol sensor. Wireless communication frees up your device's port so you can monitor and charge at the same time. Features: Ethanol concentration monitoring Fuel temperature monitoring 2 Display Views Fuel temperature display in Fahrenheit or Celsius Ethanol fill-up concentration calculator

About

TextSentinel

Features
Read full description

TextSentinel protects your iPhone from spam texts, scams, and phishing messages. Using intelligent filtering and customizable rules, TextSentinel automatically blocks suspicious SMS and RCS messages before they reach your inbox. Features: • Automatic spam filtering • Aggressive mode for unknown senders • Block keywords and phrases • Block phone numbers • Block country codes • Trusted contacts whitelist • Optional attachment filtering Stay protected from delivery scams, toll road scams, fake banking alerts, and other phishing messages. TextSentinel works directly with iOS Message Filtering to provide secure, private protection for SMS and RCS messaging. Enjoy peace of mind knowing your inbox is protected from annoying spam, scam, and phishing messages.

Screenshots

Fuel3 screens
TextSentinel4 screens

Verdict

The call

The clearest difference is in-app purchases: Fuel at none against TextSentinel's 1. Fuel also leads on iOS requirement (13.4 vs 16). TextSentinel's advantage is update cadence (every 2 days vs every 10 months). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. TextSentinel sells 1 one-off in-app purchase. Fuel asks for nothing beyond the download.

UpkeepUpdate frequency

Fuel ships an update every 10 months, TextSentinel every 2 days. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
Fuel versus TextSentinel: the parameters behind the verdict, then further details
ParameterFuelTextSentinel
PriceFreeFree
Rating3.1 (33 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings33 — better—
Update frequencyEvery 10 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.4 — better16
Further details — not scored
Size20 MB2 MB
Age rating4+4+
DeveloperDmac Mobile Developments, LLCRoosevelt Bonaparte III

In-app purchases

None

Fuel

No in-app purchases

1 purchases

TextSentinel

One-time1
  • TextSentinel Pro$4.99

Questions

Is Fuel free?
Fuel is free to download, with no in-app purchases.
Is TextSentinel free?
TextSentinel is free to download, with in-app purchases available.
Do Fuel or TextSentinel have ads?
Neither Fuel nor TextSentinel shows ads.
Which is updated more often, Fuel or TextSentinel?
Fuel ships an update every 10 months, and TextSentinel every 2 days. Most recently, Fuel was updated on October 15, 2026 and TextSentinel on October 11, 2026.

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