StepsV2 vs ARC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StepsV2
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With this powerful tool you will be able to analyze the different mathematical steps of various functions as well as visualize the detail in the form of a mathematical matrix. Pro features with a subscriptions you can access to OCR and IA PRO. EULA: http://www.apple.com/legal/itunes/appstore/dev/stdeula
ARC
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ARC-DS by MetricWire has been created for use in research studies conducted by Washington University in St. Louis as part of the Ambulatory Research in Cognition – Down Syndrome (ARC-DS) study. As part of your participation, you’ll be asked to complete surveys about your thoughts, feelings, and behaviors. With your permission, the app may also collect sensor data—such as activity levels, environmental context, and smartphone usage patterns—to help researchers better understand cognitive and behavioral health in individuals with Down syndrome. Your app experience is customized by the study team using the MetricWire Research Portal. All data you submit is securely protected by MetricWire and managed by the ARC-DS study team. You remain in full control of your data—you can review what you’ve shared, choose to leave the study at any time, or delete your data if you wish. If you have any questions, please contact the ARC-DS study team using the contact information they’ve provided. ARC-DS by MetricWire makes research participation simple, secure, and meaningful—designed with transparency and user control at the core.
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Verdict
The clearest difference is in-app purchases: ARC at none against StepsV2's 6. ARC also leads on ads (none vs shown). On price, update cadence, 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. StepsV2 sells 4 in-app purchases, starting at $6.99 per month. ARC asks for nothing beyond the download.
StepsV2 ships an update every 9 days, ARC every 10 days. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.
| Parameter | StepsV2 | ARC |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days — better | Every 10 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 — better | 14.0 |
| Further details — not scored | ||
| Size | 114 MB | 187 MB |
| Age rating | 4+ | 4+ |
| Developer | Victor Manuel Santamaria Acevedo | MetricWire Inc. |
In-app purchases
StepsV2
- Steps PRO$6.991 Month
- Steps Pro 1 Month$6.991 Month
- Three months with PRO features2 variants$12.993 Months
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- Six months with PRO features2 variants$17.996 Months
ARC
No in-app purchases








