Comparison

IDX vs Stack

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

IDX

This app provides comprehensive identity and privacy protection. It monitors your personal information for fraud, alerts you to suspicious activity, and helps restore your identity if it's compromised. It also offers credit report locking and monthly credit score access with certain subscriptions.

Highlights
  • Identity monitoring
  • Fraud alerts and notifications
  • Identity restoration assistance
  • Credit report locking
  • Monthly credit score access
  • Insurance reimbursement coverage
Features
Read full description

*This app requires a valid IDX Identity or Privacy subscription in order to use. *For MyIDCare members receiving services through the OPM cyber incident. Unfortunately, this mobile application is not available for your use. Please visit https://opm.myidcare.com to access your account. Your cyber protection is our mission. We protect you from the start with our monitoring technology and alert notifications. If fraud occurs, we work on your behalf to restore your identity, saving you time and frustration. Rest easy with up to $1 million of insurance reimbursement coverage and the confidence that IDX Identity and Privacy is the only protection with a 100% Recovery Guarantee or your money back* IDX Identity and Privacy works around the clock to monitor your personal information and with the IDX Identity mobile app you’ll have access to your identity protection wherever you go. The IDX Identity and Privacy mobile app allows you to: • Activate and manage the monitoring services that are part of your subscription • Receive alerts and notifications • Report suspicious activity • Lock and unlock your credit report with the push of a button** • Get your monthly credit score** *Recovery Guarantee We will refund up to one year of fees that you have paid us for the Services if we fail to have removed all adverse matters posted to your record resulting from an identity theft evert within one year after your reported the event to us, provided you follow the procedures that we provide for addressing adverse matters, and provided you have enrolled in the Services prior to the identity theft event. *$1 Million Insurance Provides reimbursement for out-of-pocket expenses related to addressing the restoration of your identity. Expenses must be reported within 90 days. Stolen Funds cover principal amount incurred by the insured and caused by an unauthorized electronic fund transfer excluding any amount for which the insured received reimbursement from another source. **Requires IDX Complete subscription

About

Stack

Features
Read full description

StackIn is an income tracking app built for both W-2 employees and independent workers. It gives users a clearer view of how money is earned, tracked, and estimated so there are fewer surprises at payday or during tax season. For W-2 workers, StackIn helps track hours, tips, and other income details with customizable entry options. Users can enter their tax information to get day-by-day tax estimates and generate estimated paycheck previews based on their selected pay period. For independent workers and freelancers, StackIn provides a dedicated workspace to organize income from multiple sources in one place. Users can track income and expenses, save receipt photos, create expense records from receipts, and generate monthly, quarterly, and yearly profit and loss statements. StackIn also includes helpful features like daily time and location reminders to make tracking easier. Whether you are a server, freelance worker, stylist, nail technician, tattoo artist, cosmetologist, or other independent professional, StackIn is designed to help reduce the stress of managing income and preparing for taxes. Your information stays private and secure within the software, giving you a centralized place to manage your financial tracking with confidence.

Screenshots

IDX4 screens
Stack4 screens

Verdict

The call

The clearest difference is update cadence: Stack at every 6 days against IDX's every 3 months. IDX's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

IDX ships an update every 3 months, Stack every 6 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
IDX versus Stack: the parameters behind the verdict, then further details
ParameterIDXStack
PriceFreeFree
Rating2.4 (107 ratings) — better—
Positive reviews7.7% of reviews—
Number of ratings107 — better—
Update frequencyEvery 3 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationSubscription—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size41 MB24 MB
Age rating4+4+
DeveloperID ExpertsCajetan Hughes

Bugs and requests

IDX

Reported bugs

8 issues
  • Endless spinning wheel on login
  • Cannot log in with correct credentials
  • App won't open after login
  • Login issues with third-party authentication
  • App shows no data beyond welcome messages
Show 3 more
  • Inability to verify identity
  • No alerts received
  • Limited functionality compared to screenshots

Requested features

5 requests
  • Allow OPM users to log in
  • Fix app to work with website login
  • Provide actual monitoring and data removal services
  • Improve customer support responsiveness
  • Enable full functionality shown in screenshots

Stack

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

IDX

No in-app purchases

None

Stack

No in-app purchases

Questions

Is IDX free?
IDX is free to download, with no in-app purchases.
Is Stack free?
Stack is free to download, with no in-app purchases.
Do IDX or Stack have ads?
Neither IDX nor Stack shows ads.
Which is updated more often, IDX or Stack?
IDX ships an update every 3 months, and Stack every 6 days. Most recently, IDX was updated on October 17, 2026 and Stack on October 7, 2026.

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