CheckSolo vs Calendar.online
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CheckSolo
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Checksolo's mobile App supports all the features of VERTHOS Digital Workflow. Automatic sync features mean you can move seamlessly between your iPad and your desktop or laptop while you work on a report. Main QMS features include: * Audit * Complaints * Document Control * Change Control * Training Management * CAPA * Deviations * Non-conformance * Out of Specification * Risk * Supplier Management Designed specifically for working on the move, CheckSolo works without the need for internet access. Features: * Operate for weeks without internet connection * Comprehensive logistical scheduling by location * Generate regulatory tamper-proof reports * Supports all QMS operations * Secure portal for client to access reports * All reports retained securely for full statutory period * Full support for photos, including annotations * Tag photos to specific findings or observations * Capture new item / issue details in the field * Map item / issue location with GPS * Full business dashboards
Calendar.online
This free online calendar facilitates team collaboration with shareable access links. Manage permissions, set passwords, and customize views for seamless group scheduling. Access your calendar from any device with a simple bookmark.
- Shareable access links
- Role-based permissions (admin, editor, reader)
- Password protection for links
- Customizable access link views
- Dashboard for managing calendars
- Device bookmarking
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Our product is a free online calendar for teams and groups with easy access via access links without login. An access link is structured according to the following scheme: https://calendar.online/68dbf6166ace2865ccd7 Each access link has a specific permission. E.g. administrator, editor or reader. Use the admin link to manage your calendar. You can save this link as a bookmark on all your devices, for example. You could forward the editor or reader link to your teammates. Additional settings can be made for each access link. For example: - Permissions for specific sub-calendars - Password protection for extra security - Default access link view (for example 'day', 'week' and so on) - Custom access links. For example: https://calendar.online/sports In the dashboard view of the app you can add existing access links or register a new calendar. In this case, the admin link will be added automatically on the dashboard. You can access the dashboard from the calendar at any time using the button in the top left corner. To open the settings of a calendar, please open the calendar via the administrator link and then click on the gear symbol at the top right corner.
Screenshots
Verdict
The clearest difference is device support: Calendar.online at 3 against CheckSolo's 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | CheckSolo | Calendar.online |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (40 ratings) — better |
| Positive reviews | — | 94.1% of reviews |
| Number of ratings | — | 40 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 14.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 13 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | CheckSolo DAC | Kalender.digital |
In-app purchases
CheckSolo
No in-app purchases
Calendar.online
No in-app purchases
Questions
Is CheckSolo free?
Is Calendar.online free?
Do CheckSolo or Calendar.online have ads?
Which is updated more often, CheckSolo or Calendar.online?
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