Comparison

COST Events vs OnSolve

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

Head to head
About

COST Events

This app provides attendees of state tax conferences with essential event information. Access schedules, session materials, speaker details, and networking opportunities in one place. Stay updated with breaking announcements and navigate event spaces easily.

Highlights
  • Conference Schedule
  • Session Materials
  • Attendee Roster
  • Speaker Information
  • Exhibitor Listing
  • Meeting Space Floor Plan
  • Breaking Announcements
Features
Read full description

The Council On State Taxation (COST) is the premier state tax organization representing business taxpayers. COST is a nonprofit trade association consisting of approximately 600 multistate companies engaged in interstate and international business. COST's objective is to preserve and promote equitable and nondiscriminatory state and local taxation of multijurisdictional business entities. COST offers its members high quality education, including conferences, schools, regional meetings and special symposia, featuring the hottest topics, delivered by the nation's most recognized experts, at a price well below comparable programs. Attendees at our conferences find a relaxed atmosphere in which to network with professional peers, free from solicitation pressures by tax consultants. The majority of COST programs qualify with state boards of accountancy and state bar associations for continuing education credits. The COST Event App enables attendees to make the most of a conference while staying up-to-date with the latest information. The following features are conveniently accessible within the app: • Conference Schedule • Session Materials • Attendee Roster • Speaker Information • Exhibitor Listing • Meeting Space Floor Plan • Twitter Feed • Breaking Announcements • and MORE... Use this app for fingertip access to all the pertinent information for COST events.

About

OnSolve

This app delivers critical communications directly to your mobile device. It's designed for organizations to send urgent updates and routine business information to employees, partners, and customers. Stay informed about important events that could impact operations, assets, and safety.

Highlights
  • Critical communication delivery
  • Push notifications for updates
  • Supports employees, partners, customers
  • Urgent and routine message delivery
  • Real-time event alerts
Features
Read full description

Experience the upgraded OnSolve Mobile App! With over two billion notifications sent annually, OnSolve helps deliver critical communications to employees, partners, customers and other stakeholders directly on their mobile device. When an event occurs, communicating immediately is critical. Whether for urgent situations that can jeopardize operations, assets and safety, or for routine business operations. Download our mobile app to connect and start receiving push notifications regarding critical updates from your organization.

Screenshots

COST Events3 screens
OnSolve4 screens

Verdict

The call

The clearest difference is rating: COST Events at 4.0 against OnSolve's 1.9. OnSolve's advantage is ads (none vs shown) and update cadence (monthly 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

COST Events holds the better App Store score, 4.0 against 1.9. That said, the two scores are not equally well evidenced: OnSolve has 32 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

COST Events ships an update every 5 months, OnSolve monthly. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
COST Events versus OnSolve: the parameters behind the verdict, then further details
ParameterCOST EventsOnSolve
PriceFreeFree
Rating4.0 (1 ratings) — better1.9 (32 ratings)
Positive reviews—14.3% of reviews
Number of ratings132 — better
Update frequencyEvery 5 monthsMonthly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.415.0 — better
Further details — not scored
Size50 MB70 MB
Age rating4+4+
DeveloperCouncil On State TaxationOnSolve

Customer experience

COST Events

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

OnSolve

All ratings32 ratings
Positive21.9%
Neutral3.1%
Negative75.0%
Written reviews14 reviews
Positive14.3%
Neutral0.0%
Negative85.7%

In-app purchases

None

COST Events

No in-app purchases

None

OnSolve

No in-app purchases

Questions

Is COST Events free?
COST Events is free to download, with no in-app purchases.
Is OnSolve free?
OnSolve is free to download, with no in-app purchases.
Which has better reviews, COST Events or OnSolve?
COST Events is rated higher. COST Events averages 4.0 out of 5 from 1 ratings, while OnSolve averages 1.9 from 32 ratings.
Do COST Events or OnSolve have ads?
COST Events shows ads; OnSolve does not.
Which is updated more often, COST Events or OnSolve?
COST Events ships an update every 5 months, and OnSolve monthly. Most recently, COST Events was updated on October 9, 2026 and OnSolve on October 24, 2026.

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