SySight vs Tire Calculator (Offset&Speed)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SySight
This system monitoring application offers a streamlined, view-only interface. It provides a powerful experience through background monitoring and custom URL scheme collaboration, delivering capabilities not found in other system monitoring tools.
- View-only system monitoring
- Background monitoring
- Custom URL scheme collaboration
- Streamlined interface
- Powerful system insights
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Sysight is most simply and powerful system monitoring application. This application has a view only one, and it is a result that cut extra information. It is bumbling at first glance. But it collaboration using custom URL scheme, and by monitoring in the background, we provide a powerful experience that other system monitoring applications can not be reached.
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
Screenshots
Verdict
SySight and Tire Calculator (Offset&Speed) both sit at 5.0 stars, but that hides the real split: 86% of Tire Calculator (Offset&Speed)'s written reviews are positive against 66% of SySight's. SySight's advantage is update cadence (every 5 weeks vs every 4 months) and price ($0.99 vs $1.99). On rating, ratings volume, ads and in-app purchases 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
SySight costs $0.99 and Tire Calculator (Offset&Speed) $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for SySight against 5.0 for Tire Calculator (Offset&Speed). Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews are what separate them: 66% of SySight's written reviews are positive against 86% of Tire Calculator (Offset&Speed)'s.
SySight ships an update every 5 weeks, Tire Calculator (Offset&Speed) every 4 months. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.
| Parameter | SySight | Tire Calculator (Offset&Speed) |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 5.0 (2 ratings) | 5.0 (4 ratings) |
| Positive reviews | 66.0% of reviews | 85.7% of reviews — better |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 5 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Nobuo Saito | Satoshi Mori |
Customer experience
SySight
Tire Calculator (Offset&Speed)
In-app purchases
SySight
No in-app purchases
Tire Calculator (Offset&Speed)
No in-app purchases
Questions
Is SySight free?
Is Tire Calculator (Offset&Speed) free?
Which has better reviews, SySight or Tire Calculator (Offset&Speed)?
Do SySight or Tire Calculator (Offset&Speed) have ads?
Which is updated more often, SySight or Tire Calculator (Offset&Speed)?
Other comparisons
