Comparison

iSeal Calculator vs Tiretime

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

Head to head
About

iSeal Calculator

Features
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Take the guesswork out of tire fluid calculations! Our simple yet powerful calculator helps you determine the exact fluid oz, application amount, and hand pumps needed based on tire width and wheel diameter/size. Whether you're on-road or off-road, get accurate results in an instant. Perfect for mechanics, DIY enthusiasts, and professionals alike!

About

Tiretime

Features
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TireTime: DOT Tire Date & Plant Decoder TireTime is a fast, convenient way to decode the U.S. DOT Tire Identification Number (TIN) and understand when and where a tire was manufactured. Whether you’re buying a used vehicle, inspecting an RV, checking a trailer before a road trip, or simply trying to decipher the DOT code on your own tires, TireTime makes the information easy to understand. Key Features Date Decoder Quickly decode the DOT date code. The manufacture month is available free. Unlock the complete manufacture date and week details with TireTime Pro. Plant Code Lookup Quick access to resources for identifying the manufacturing plant associated with a DOT plant code. Safety & Recalls Quick access to resources for researching tire manufacturers, plants, and recalls. RV & Trailer Ready Especially useful for vehicles where tires may age out before the tread wears out. Lightweight & Fast Designed for quick use in driveways, tire shops, garages, and car lots. TireTime Pro Unlock the complete manufacture date and week details with a one-time purchase. Privacy First TireTime is designed as a simple utility without third-party advertising or advertising trackers. We do not sell your personal information. App Performance Data TireTime collects limited technical information such as device type, operating system version, app version, and coarse location derived from your public IP address. This information helps us understand which devices and app versions are in use and where the app is being used. App performance data is retained for up to 90 days on systems we control. Support If you contact us for support, we receive the information you choose to provide, such as your email address and message, so we can respond. Support information is not used for advertising or tracking and is deleted when no longer needed or within two years. No third-party advertising. No advertising trackers. No selling your information. Just a useful tool for decoding tire information.

Screenshots

iSeal Calculator2 screens
Tiretime4 screens

Verdict

The call

The clearest difference is in-app purchases: iSeal Calculator at none against Tiretime's 1. Tiretime's advantage is update cadence (every 9 days vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Tiretime sells 1 one-off in-app purchase. iSeal Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

iSeal Calculator ships an update every 14 months, Tiretime every 9 days. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

Scorecard2 real differences Β· 4 level
iSeal Calculator versus Tiretime: the parameters behind the verdict, then further details
ParameteriSeal CalculatorTiretime
PriceFreeFree
Update frequencyEvery 14 monthsEvery 9 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 β€” better15.6
Further details β€” not scored
Size15 MB35 MB
Age rating4+17+
DeveloperRex Hidle & Associates, LLCNanoHawk

In-app purchases

None

iSeal Calculator

No in-app purchases

1 purchases

Tiretime

One-time1
  • Tire Time Pro$0.99

Questions

Is iSeal Calculator free?
iSeal Calculator is free to download, with no in-app purchases.
Is Tiretime free?
Tiretime is free to download, with in-app purchases available.
Do iSeal Calculator or Tiretime have ads?
Neither iSeal Calculator nor Tiretime shows ads.
Which is updated more often, iSeal Calculator or Tiretime?
iSeal Calculator ships an update every 14 months, and Tiretime every 9 days. Most recently, iSeal Calculator was updated on October 7, 2026 and Tiretime on October 25, 2026.

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