Ruler vs taxmen.ai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruler
This app displays various measurement scales for length, including meters and inches. It allows users to set magnification ratios and reduced scales for different applications. Users can calibrate the ruler and adjust PPI settings for accurate measurements.
- Display various measurement scales
- Set magnification ratios
- Set reduced scales
- Measure in meters and inches
- Free mode for custom scales
- Calibration for accuracy
- PPI setting
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Scale Ruler is the simple application to display the scale of various measurement units. ※ Warning: - The accuracy of the scales cannot be guaranteed. - Calibration and PPI values will be reset when the model changes. - Set the PPI value only when the model is undecided. - When you change the PPI value, perform calibration after the change. ■How to use: ■Select mode In UNLOCKED state, after choosing measurement unit, magnification ratio and reduced scale, the scale is displayed. ■Free mode When dragging the screen at UNLOCK, you can set the scale in the range 1: 1 to 1: 100. When you press and hold the scale value, the keyboard is displayed and you can enter the scale. You can lock the scale on the ruler with a switch. Sorry for the advertisement during unlocking. After In-App Purchase, your ads will no longer be displayed. Specification of Scale Ruler - measure length meter,inches - magnification ratio 50% , 70.7% , 100% , 141% , 200% - reduced scale for meter 1:100 , 1:150 , 1:200 , 1:250 , 1:300 , 1:400 , 1:500 , 1:600 for inch 1:1 , 1:1.5 , 1:2 , 1:2.5 , 1:3 , 1:4 , 1:5 , 1:6 for inch(Architectural) 1:1 , 1:2 , 1:4 , 1:8 , 1:12 , 1:16 , 1:24 , 1:32 , 1:48 , 1:64 1:96 , 1:128 , 1:192 , 1:384 for inch(Engineering) 1:120 , 1:240 , 1:360 , 1:480 , 1:600 , 1:720 1:800 , 1:960 , 1:1080 ■ Settings - Calibration - PPI (pixels per inch) setting - In-app purchase (ads not displayed) - In-app purchase restoration ■ Calibration Adjust the length of the ruler. Use the correct ruler for adjustment. "Calibration" button: Records the adjusted state and reflects the calibration result on the ruler. "Reset" button: Returns the adjustment status to the specified value. It will not be recorded. "Initialize" button: Returns the adjustment status to the specified value and reflects it on the ruler. * Caution: The calibration value will be reset when the model changes. ■ PPI (pixels per inch) setting If the model is undecided, check the PPI value of the model before setting the PPI value. * Please set only when the model is undecided. "OK" button: Record the entered PPI value and reflect it on the ruler display. "Initialize" button: Returns the PPI value to the specified value and reflects it on the ruler. * Caution: The PPI value will be reset when the model changes.
taxmen.ai
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taxmen.ai – Your AI Tax Assistant for the UAE Navigating UAE’s corporate tax and VAT just got easier. Taxmen.ai is your personal AI-powered tax assistant, designed to help individuals and business owners understand and manage their tax obligations with ease. Whether you’re a startup, a business owner, accountants, consultants, or simply tax-curious, ask any question — from filing deadlines to VAT rules — and get instant, reliable answers tailored to the UAE tax framework — upload documents and find out the tax impact AND MORE … With taxmen.ai, expert tax guidance is always at your fingertips. Subscription Information taxmen.ai offers auto-renewable subscription plans: • Basic Monthly • Basic Yearly • Premium Monthly • Premium Yearly Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your Apple ID settings. Terms and Policies Privacy Policy: https://taxmen.ai/policy/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: taxmen.ai at none against Ruler's shown. taxmen.ai also leads on update cadence (every 6 days vs every 5 months). On price, in-app purchases, device support 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
Both are free to download. Ruler sells 1 one-off in-app purchase and taxmen.ai sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Ruler ships an update every 5 months, taxmen.ai every 6 days. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.
| Parameter | Ruler | taxmen.ai |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 63.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 months | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 52 MB |
| Age rating | 4+ | 17+ |
| Developer | mitsunori oishi | ABDUL BASITH OTHAYOTH KANDI BASHEER CHERIYA CHANGOTH |
In-app purchases
Ruler
- Hide Ads$0.99
taxmen.ai
- Basic Monthly Plan$4.991 Month
- Premium Monthly Plan$12.991 Month
- Basic Yearly Plan$49.991 Year
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- Premium Yearly Plan$129.991 Year
- Paid Credits (On Demand)2 variants$1.99









