Keeper.sh vs OneCal: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Keeper.sh and OneCal side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Keeper.sh leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Keeper.sh
Sync busy times across calendars without revealing event titles
Best for you if:
- • People managing personal, work, or school calendars who need to prevent double-booking
OneCal
Sync multiple calendars in real-time, avoid double bookings, and manage all events in one place.
Best for you if:
- • You want prevents double bookings across multiple calendar providers effectively
| At a Glance | Keeper.sh | OneCal |
|---|---|---|
Starts at | Free plan, paid from $5/mo, billed monthly Pro plan | From $5/user/mo, billed monthly Starter plan |
Category | Calendar | Meeting Scheduling Calendar |
Rating | n/a | 4.7/5 G2 4.7 97 reviews |
Free plan | Yes | No |
Choose Keeper.sh or OneCal?
Choose Keeper.sh if
- People managing personal, work, or school calendars who need to prevent double-booking
- You want a free tier before you commit
- You work in calendar, not meeting scheduling
Choose OneCal if
- You want prevents double bookings across multiple calendar providers effectively
- You want offers granular control over privacy and shared event details
- You work in meeting scheduling, not calendar
In-Depth Analysis
Keeper.sh
Sync busy times across calendars without revealing event titles
The Free tier is genuinely usable for light users with 2 accounts and 25 daily calls, though the 30-minute refresh and 3-connection cap will frustrate anyone coordinating more than a couple of calendars.
Key features
OneCal
Sync multiple calendars in real-time, avoid double bookings, and manage all events in one place.
OneCal's pricing is reasonable, especially for the Starter tier at $5/user/month for basic calendar syncing needs.
Strengths
- Pro: Prevents double bookings across multiple calendar providers effectively.
- Pro: Offers granular control over privacy and shared event details.
- Pro: Simplifies scheduling with easy-to-share links.
- Pro: Provides a single, unified view for all calendars.
- Pro: Strong commitment to data security and privacy (no data stored, analyzed, or sold).
Weaknesses
- Con: No free tier, only a 14-day free trial.
- Con: Pricing is per user, which can add up for larger teams.
- Con: iCloud calendar updates can take up to 10 minutes to reflect.
Key features
Plans and prices: Keeper.sh vs OneCal
| Tool | Plans and prices | Source |
|---|---|---|
| Keeper.sh |
| keeper.sh/pricing read Oct 28, 2026 |
| OneCal |
| onecal.io/pricing read Nov 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Keeper.sh pricing and OneCal pricing.
Key Takeaways
Keeper.sh
- Has a free plan
OneCal
- Choose if you want sync multiple calendars in real-time, avoid double bookings, and manage all events in one place
What the data shows
On the data below, Keeper.sh leads on a free plan. We do not name an overall winner for this pair.
- Only OneCal has a published user rating (4.7/5 from 97 reviews); Keeper.sh has none we can show.
- Both start at the same entry price ($5/mo, billed monthly).
- Only Keeper.sh has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Keeper.sh and OneCal compare in 2026?
On the data below, Keeper.sh leads on a free plan. We do not name an overall winner for this pair. Only OneCal has a published user rating (4.7/5 from 97 reviews); Keeper.sh has none we can show. Both start at the same entry price ($5/mo, billed monthly). Only Keeper.sh has a free plan.
What are Keeper.sh and OneCal used for?
Keeper.sh: Sync busy times across calendars without revealing event titles. OneCal: Sync multiple calendars in real-time, avoid double bookings, and manage all events in one place.
What does Keeper.sh cost vs OneCal?
Keeper.sh's cheapest paid plan is Pro at $5/mo, billed monthly; it also has a free plan. OneCal's cheapest paid plan is Starter at $5/user/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Nov 1, 2026.
What's the main difference between Keeper.sh and OneCal?
Keeper.sh focuses on sync busy times across calendars without revealing event titles. OneCal's main strength: prevents double bookings across multiple calendar providers effectively.