Comparison

OnSolve vs Chainkeep

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

Chainkeep

This app helps you build and maintain habits with a focus on accurate streak tracking. It offers flexible scheduling, one-tap completion, and insightful statistics to keep you motivated. Enjoy a private, ad-free experience with customizable themes.

Highlights
  • One-tap habit completion
  • Flexible scheduling (daily, weekly, monthly)
  • Accurate streak tracking
  • Habit strength indicator
  • Customizable themes
  • Private, ad-free experience
  • Data export/import
Features
Read full description

Chainkeep is a habit tracker built on two ideas: checking off a habit should take one tap, and your streak should be right. Most habit apps break a "three times a week" habit on the first day you rest. Chainkeep counts it the way you planned it: a week kept is a week kept. Daily habits, specific days, every few days, times per week or per month, and habits you are quitting are all tracked honestly. ONE TAP A DAY • Everything due today on one screen, ticked off in a single tap • Skip a day without breaking anything, or pause a habit for a holiday • Split your day into parts, like morning and evening • Quit habits count your days clean • Hold the app icon to add a habit straight away STREAKS THAT FIT YOUR SCHEDULE • Weekly and monthly targets keep their own streaks • A grace day for the odd miss, if you want one • Habit strength shows how established a habit is, even after a slip • Set a finish line, like 30 or 66 days, and watch it come closer EVERY STAT, FREE • Six months of calendar for every habit • Completion over the last 30 days and the last six months • The days of the week you actually do it, and the time you usually do • Longest runs, totals, and a month in review you can share REMINDERS THAT LEARN • A reminder at the time you choose • Smart nudges learn when you usually do a habit and remind you then YOUR LOOK • 24 colour themes to choose from • Light and dark themes, with a pure black option PRIVATE BY DESIGN • No account, no ads, no tracking • Your habits stay on your own devices • Export and import your data whenever you like CHAINKEEP PRO One payment, yours for good. No subscription. • Unlimited habits (free keeps six) • As many reminders as each habit needs • Archive habits you have finished • Sync between your iPhone and iPad through your own private iCloud Your stats stay free, always. Questions or ideas? Write to hi@noman.codes

Screenshots

OnSolve4 screens
Chainkeep4 screens

Verdict

The call

The clearest difference is rating: Chainkeep at 3.0 against OnSolve's 1.9. Chainkeep also leads on update cadence (weekly vs monthly). OnSolve's advantage is in-app purchases (none vs 1) and ratings volume (32 vs 2). On price, ads, 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. Chainkeep sells 1 one-off in-app purchase. OnSolve asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Chainkeep holds the better App Store score, 3.0 against 1.9. That said, the two scores are not equally well evidenced: OnSolve has 32 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 14% of OnSolve's written reviews are positive against 0% of Chainkeep's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

OnSolve ships an update monthly, Chainkeep weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
OnSolve versus Chainkeep: the parameters behind the verdict, then further details
ParameterOnSolveChainkeep
PriceFreeFree
Rating1.9 (32 ratings)3.0 (2 ratings) — better
Positive reviews14.3% of reviews — better0.0% of reviews
Number of ratings32 — better2
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone
Requires iOS16.016.0
Further details — not scored
Size49 MB65 MB
Age rating4+4+
DeveloperOnSolveMd Noman

Customer experience

OnSolve

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

Chainkeep

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

OnSolve

No in-app purchases

1 purchases

Chainkeep

One-time1
  • Chainkeep Pro$4.99

Questions

Is OnSolve free?
OnSolve is free to download, with no in-app purchases.
Is Chainkeep free?
Chainkeep is free to download, with in-app purchases available.
Which has better reviews, OnSolve or Chainkeep?
Chainkeep is rated higher. OnSolve averages 1.9 out of 5 from 32 ratings, while Chainkeep averages 3.0 from 2 ratings.
Do OnSolve or Chainkeep have ads?
Neither OnSolve nor Chainkeep shows ads.
Which is updated more often, OnSolve or Chainkeep?
OnSolve ships an update monthly, and Chainkeep weekly. Most recently, OnSolve was updated on November 3, 2026 and Chainkeep on October 31, 2026.

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