Comparison

OnSolve vs Kinster

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

Head to head
About

OnSolve

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

Highlights
  • Critical communications delivery
  • Push notifications
  • Urgent situation alerts
  • Routine business updates
  • Stakeholder communication
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.

About

Kinster

Streamline form filling for your family by entering information once. This app securely stores family details and automatically populates them into various forms for schools, camps, and more, saving you time and effort.

Highlights
  • Enter family information once
  • Autofill forms in seconds
  • Secure private storage
  • Built-in browser for forms
  • Review before submission
  • No advertising or trackers
Features
Read full description

Enter your family's information once. Fill any form in seconds. Every camp, school, sports league, and daycare asks for the same things: your child's name and date of birth, your contact and emergency info, allergies, medications, the pediatrician, insurance. Kinster keeps all of it in one private place, then fills it into the forms you get, so a 20-minute chore becomes a quick review and done. HOW IT WORKS - Enter your family once: children, guardians, emergency contacts, medical details. - Open a form in the built-in browser. - Tap Fill. Kinster places your information into the right fields. - Review everything before you submit. You are always in control. BUILT FOR PARENTS - One record for the whole family, across every organization. - You check every form before it goes anywhere. Signatures and consents are never auto-applied. - No advertising, no trackers, no selling your data. Ever. PRIVACY FIRST - Your family's information is private to your family and stored securely. - We do not sell or share your data, and we use no third-party advertising trackers. - Export or delete your data at any time. SUBSCRIPTION Entering, editing, and viewing your family is free. Autofill is unlocked by a Kinster Family subscription: - Kinster Family Yearly: $49.00 per year - Kinster Family Monthly: $9.00 per month Payment is charged to your Apple Account at confirmation of purchase. Your subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. You can manage or cancel your subscription in your Apple Account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Kinster Terms of Service: https://www.kinster.app/terms Privacy Policy: https://www.kinster.app/privacy

Screenshots

OnSolve4 screens
Kinster4 screens

Verdict

The call

The clearest difference is review sentiment: Kinster at 100% against OnSolve's 14%. Kinster also leads on rating (5.0 vs 1.9). OnSolve's advantage is monetization model (free vs freemium) and ratings volume (32 vs 1). On price, update cadence, ads and in-app purchases 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

Kinster holds the better App Store score, 5.0 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. Written reviews point the same way: 14% of OnSolve's written reviews are positive against 100% of Kinster's.

UpkeepUpdate frequency

OnSolve ships an update monthly, Kinster every 5 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
OnSolve versus Kinster: the parameters behind the verdict, then further details
ParameterOnSolveKinster
PriceFreeFree
Rating1.9 (32 ratings)5.0 (1 ratings) — better
Positive reviews14.3% of reviews100.0% of reviews — better
Number of ratings32 — better1
Update frequencyMonthly — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFreemium
DevicesiPhoneiPhone
Requires iOS16.0 — better16.4
Further details — not scored
Size49 MB35 MB
Age rating4+17+
DeveloperOnSolveDorothy Thomas

Customer experience

OnSolve

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

Kinster

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OnSolve

No in-app purchases

None

Kinster

No in-app purchases

Questions

Is OnSolve free?
OnSolve is free to download, with no in-app purchases.
Is Kinster free?
Kinster is free to download, with no in-app purchases.
Which has better reviews, OnSolve or Kinster?
Kinster is rated higher. OnSolve averages 1.9 out of 5 from 32 ratings, while Kinster averages 5.0 from 1 ratings.
Do OnSolve or Kinster have ads?
Neither OnSolve nor Kinster shows ads.
Which is updated more often, OnSolve or Kinster?
OnSolve ships an update monthly, and Kinster every 5 weeks. Most recently, OnSolve was updated on November 7, 2026 and Kinster on November 5, 2026.

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