iAlignShaft vs CompuSan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iAlignShaft
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iShaftAlign is a simple and user-friendly application that has been designed to help you in aligning equipment shafts. The process of ensuring that two shafts are colinear is a very important step in maintenance. iShaftAlign makes this process easy with the help of simple with a dial gauge. This simple app can be used with machines rotating at a maximum speed of 3000rpm. The application guides the user about the corrections that need to be made at each step to ensure the final alignment is within tolerance.
CompuSan
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Companion app to Spartan Chemical Company's CompuSan Sanitation Management Software for Food Processing Facilities - Quality Assurance & Inspections - Sanitation Corrective Actions - Master Sanitation Schedule (MSS) - Equipment Management and Preventative Maintenance - Sanitation chemical and supply inventory management *Inspect online and offline *Install to unlimited devices *Updated responsive dashboard CompuSan requires an active subscription to CompuSan through Spartan Chemical Company. Please contact the CompuSansupport at 800-537-8990 x 219 or compusan@spartanchemical.com for questions or to schedule a demonstration.
Screenshots
Verdict
The clearest difference is price: CompuSan at Free against iAlignShaft's $2.99. CompuSan also leads on update cadence (monthly vs every 11 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement 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
CompuSan is free to download; iAlignShaft costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iAlignShaft ships an update every 11 months, CompuSan monthly. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.
| Parameter | iAlignShaft | CompuSan |
|---|---|---|
| Price | $2.99 | Free — better |
| Update frequency | Every 11 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 117 MB |
| Age rating | 4+ | 4+ |
| Developer | Hans Babylone | Spartan Chemical Company |
In-app purchases
iAlignShaft
No in-app purchases
CompuSan
No in-app purchases
