Tire Calculator (Offset&Speed) vs 割合計算機
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tire Calculator (Offset&Speed)
Easily calculate wheel offset and speedometer errors after tire changes. This tool helps determine changes in rim position, tread width, and actual speed versus displayed speed. It also offers GPS-based speedometer error measurement.
- Wheel offset calculation
- Speedometer error calculation
- GPS speedometer error measurement
- Rim position change calculation
- Tread width change calculation
- Actual speed vs. meter display
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Easily calculate the effects of wheel and tire size changes A convenient calculation tool for anyone considering wheel upgrades, tire size changes, or fitment adjustments. Simply enter your current and new specifications to quickly compare the impact on your vehicle. -Main Features -Wheel Comparison •Calculate inner rim position changes •Calculate outer rim position changes •Calculate tread width changes -Tire Comparison •Calculate speedometer error (%) •Compare indicated speed and actual speed •Vehicle-specific speedometer error can also be included in calculations -Speedometer Error Measurement •Accurate GPS-based speed measurement -Data Storage •Save comparison records -Important Notes Measurement results may vary depending on GPS reception and environmental conditions. Use measured values as a reference only. Actual wheel and tire dimensions may vary by manufacturer and model. Calculation results are for reference purposes only. Always consult a qualified professional before making vehicle modifications. The developer assumes no responsibility for any damages or issues resulting from the use of this application. -Specifications Wheel Offset Calculator •Rim Width (in): 3" to 16" (supports 0.25" increments) •Offset (mm): -60 to +70 •Backspacing (in): 3" to 13" Speedometer Error Calculator •Tire Width (mm): 125 to 405 •Aspect Ratio (%): 20 to 90, including 82 (R) •Supports 82-series radial tires commonly used on vans and light trucks •Rim Diameter (in): 10 to 32 •Direct Tire Diameter Input: 100 to 1500 mm or 4 to 60 in •Vehicle Speedometer Error Correction (%): -20 to +20 Speedometer Error Measurement •Measurable speed range: 10 to 200 km/h or 10 to 200 mph
割合計算機
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割合、%、割引、%OFFが計算できるアプリです。 買い物などで便利です。
Screenshots
Verdict
The clearest difference is price: 割合計算機 at Free against Tire Calculator (Offset&Speed)'s $1.99. 割合計算機 also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (16.4 vs 26.0). Tire Calculator (Offset&Speed)'s advantage is ads (none vs shown). On in-app purchases 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
割合計算機 is free to download; Tire Calculator (Offset&Speed) costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Tire Calculator (Offset&Speed) ships an update every 4 months, 割合計算機 every 2 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.
| Parameter | Tire Calculator (Offset&Speed) | 割合計算機 |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 9 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Satoshi Mori | Risako Asai |
In-app purchases
Tire Calculator (Offset&Speed)
No in-app purchases
割合計算機
No in-app purchases
Questions
Is Tire Calculator (Offset&Speed) free?
Is 割合計算機 free?
Do Tire Calculator (Offset&Speed) or 割合計算機 have ads?
Which is updated more often, Tire Calculator (Offset&Speed) or 割合計算機?
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