HR & Recruiting · head to head
15Five vs Assistant.to

Assistant.to
Calendar & Time Management
The easiest way to schedule meetings
- From
- Free
- Rated
- -
The short version
- Only Assistant.to has a free tier, so it costs nothing to try first.
- Each has a real cost: 15Five split across three tiers, so performance reviews, OKRs and 360 feedback need Perform at $11 per user per month rather than the $4 Engage tier; Assistant.to no longer an independent product. assistant.to redirects to Cirrus Insight, which absorbed it
- They diverge on capability: 15Five covers Weekly check-ins, Assistant.to covers In-email scheduling.
Where they differ
Only the attributes on which 15Five and Assistant.to actually diverge.
| Attribute | 15Five | Assistant.to |
|---|---|---|
| Starting price | $4/month | Free |
| Pricing model | subscription | freemium |
| Free tier | No | Yes |
| Platforms | Web, Ios, Android, Api | Chrome-extension |
| Category | HR & Recruiting | Calendar & Time Management |
| Founded | 2011 | 2014 |
Identical on both: user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in 15Five
- Weekly check-ins
- 1-on-1 meetings
- OKRs & goal tracking
- Performance reviews
- High fives recognition
- Engagement surveys
- Pulse surveys
- Manager effectiveness
Only in Assistant.to
- In-email scheduling
- One-click booking
- Google Calendar sync
- Time zone handling
- Simple interface
- Gmail
- Chrome-extension support
Both cover
- Google Calendar
What people use each for
The jobs each tool is most often brought in to do.
15Five
- Running engagement surveys with heat maps and benchmarkingnot Assistant.to
- Performance reviews and continuous feedback cyclesnot Assistant.to
- Setting and tracking OKRsnot Assistant.to
- 360 degree feedback and talent matrix reviewsnot Assistant.to
- Compensation review cycles as a paid add-onnot Assistant.to
Assistant.to
- Schedulingnot 15Five
- Appointment bookingnot 15Five
- Time trackingnot 15Five
- Resource managementnot 15Five
- Team coordinationnot 15Five
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
15Five
- Split across three tiers, so performance reviews, OKRs and 360 feedback need Perform at $11 per user per month rather than the $4 Engage tier
- Manager training microlearnings are only in Total Platform at $16 per user per month
- Compensation is a paid add-on at $9 per user per month, rising to $11 with benchmarking
- The Kona meeting assistant is a further $2 per employee per month and Kona Coach $19 per manager per month
- Advertised prices are the annual rates
Assistant.to
- No longer an independent product. assistant.to redirects to Cirrus Insight, which absorbed it
- Its scheduling now sits inside a wider Salesforce-focused sales tool rather than being a standalone add-in
Pricing, plan by plan
15Five
$4/month- Engage$4/month
- Engagement surveys
- Pulse surveys
- Action planning
- Perform$10/month
- Weekly check-ins
- 1-on-1s
- Performance reviews
- Total Platform$16/month
- Everything in Engage & Perform
- Career paths
- Competencies
Assistant.to
Free- FreeFree
- In-email scheduling
- Basic features
- Pro$5/month
- Team features
- Custom branding
- Priority support
Which should you pick?
Choose 15Five if
- You need weekly check-ins.
- You work on Web, Ios, Android, Api.
- You also want 1-on-1 meetings.
Choose Assistant.to if
- You need in-email scheduling.
- You want to start without paying.
- You work on Chrome-extension.
- You also want one-click booking.
Questions people ask
- Is 15Five or Assistant.to better?
- Neither clearly leads. 15Five starts at $4/month and Assistant.to at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, 15Five or Assistant.to?
- Assistant.to has a free tier; the other does not. Paid plans start at $4/month for 15Five and Free for Assistant.to.
- Does 15Five or Assistant.to run on more platforms?
- 15Five runs on Web, Ios, Android, Api. Assistant.to runs on Chrome-extension.
- Can I use Assistant.to for free?
- Yes. Assistant.to has a free tier, so you can try it without paying. 15Five starts at $4/month.
- What is 15Five best used for?
- 15Five is most often used for running engagement surveys with heat maps and benchmarking, performance reviews and continuous feedback cycles, setting and tracking okrs, 360 degree feedback and talent matrix reviews. Of those, running engagement surveys with heat maps and benchmarking and performance reviews and continuous feedback cycles are not what Assistant.to is typically brought in for.
- What can 15Five do that Assistant.to cannot?
- 15Five covers Weekly check-ins, 1-on-1 meetings, OKRs & goal tracking, Performance reviews. Assistant.to covers In-email scheduling, One-click booking, Google Calendar sync, Time zone handling. Both handle Google Calendar.
Related pages
More on Assistant.to
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- Assistant.to vs BambooHR
- Assistant.to vs Workday
- Assistant.to vs Culture Amp
- Assistant.to vs Freshteam
- Assistant.to vs TINYpulse
- Assistant.to vs Zoho People
- Assistant.to vs Bonusly
- Assistant.to vs CharlieHR
- Assistant.to vs Kudos
- Assistant.to vs Lattice
- Assistant.to vs Personio
- Assistant.to vs Achievers
- Assistant.to vs Breathe HR
- Assistant.to vs Darwinbox
- Assistant.to vs Employment Hero
- Assistant.to vs greytHR
- Assistant.to vs HiBob
- Assistant.to vs Homebase
- Assistant.to vs Google Calendar
- Assistant.to vs Apple Calendar
- Assistant.to vs Fantastical
- Assistant.to vs Clockify
- Assistant.to vs Microsoft To Do
- Assistant.to vs OmniFocus
- Assistant.to vs Amie
- Assistant.to vs Outlook Calendar
- Assistant.to vs Float
- Assistant.to vs Google Tasks
- Assistant.to vs YouCanBook.me
- Assistant.to vs Cron Calendar
- Assistant.to vs Harvest Forecast
- Assistant.to vs Resource Guru
- Assistant.to vs SavvyCal
- Assistant.to vs Skedda
- Assistant.to vs Timepage
- Assistant.to vs Woven

