Index › HR › Talent acquisition › Interview scheduling › Calendly vs Koalendar
Interview scheduling · November 2026 Edition

Calendly vs Koalendar

One of fourteen models named Calendly first on the direct prompt; zero named Koalendar. Calendly was named by fourteen of the fourteen models and Koalendar by eleven and Calendly carries 59 labels and Koalendar 19, so the shares are not directly comparable.

Calendly

criticized challenger

Named in five categories this edition.

Koalendar

accepted challenger

Named in one category this edition.

First-choice share16%10%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate29%11%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#4A position in a field of 15; printed, not drawn.
Labels5919A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Calendly reading right to left. Rank and label count are printed, not drawn.ModernLoop was named alongside these two in thirteen of the fourteen direct answers. ModernLoop vs Calendly · ModernLoop vs Koalendar · Calendly vs GoodTime

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the interview scheduling page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
CalendlyFirst choices, of fourteen modelsKoalendar
Direct106 against Calendly
Paraphrase101 against Calendly
Comparative201 against Calendly
Budget-constrained65
Scale-constrained001 against Calendly
Negative008 against Calendly · 2 against Koalendar
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, Calendly and Koalendar were named in the same answer forty-eight times, of the 232 answers naming Calendly and the 48 naming Koalendar. In those answers Koalendar took the first choice twelve times and Calendly fifteen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Calendly and Koalendar stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Calendly Koalendar first choice named as an alternative argued againstblank: not namedEach cell is one answer, Calendly on the left and Koalendar on the right.

The direct prompt

The plain question, one answer per model, grouped by where Calendly and Koalendar stood in it.

Calendly first, Koalendar not the choice

1 of 14 modelsKoalendar was named in the answer but not as the choice, or not at all.
Qwen 3.7 FlashCalendly, ModernLoop alternatives: GoodTime, Greenhouse, Lever

Neither was the first choice, one was named

4 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniGoodTime alternatives: Ashby, Calendly, Greenhouse, Lever
Mistral SmallGoodTime alternatives: Calendly, ModernLoop, Paradox
DeepSeek V4 FlashModernLoop alternatives: Calendly
Llama 4 MaverickModernLoop alternatives: Calendly, GoodTime

Neither was named

9 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5ModernLoop alternatives: Ashby, GoodTime, Prelude
Gemini 3.5 FlashModernLoop alternatives: Ashby, GoodTime, candidate.fyi
Perplexity SonarGoodTime alternatives: Ashby, Cal.com, Lever, ModernLoop
Grok 4.20ModernLoop alternatives: Grayscale, Prelude
Kimi K2ModernLoop alternatives: GoodTime
GLM 4.7 FlashXModernLoop alternatives: GoodTime, Grayscale
MiniMax M2.5ModernLoop alternatives: Cal.com, GoodTime, VidCruiter
GPT-6 LunaModernLoop alternatives: Ashby's native scheduling, GoodTime
Muse Glimmer 30BModernLoop alternatives: Grayscale, Prelude

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Calendly leads by thirty-five points.
Calendly50%#1 of 16
Koalendar15%#2 of 16
The full small business standing →
Mid-marketThe figures above
Calendly leads by six points.
Calendly16%#2 of 15
Koalendar10%#4 of 15
The full mid-market standing →
Enterprise
Calendly leads by two points.
Calendly2%#8 of 13
Koalendar0%#– of 13
The full enterprise standing →

What the models said about Calendly

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.

“General-purpose tools like Calendly and Microsoft Bookings lack the ATS depth and interviewer load balancing that recruiting teams need at scale.” Muse Glimmer 30B · direct prompt · hard negative
“Standard tools like basic Calendly often fail because they struggle with complex panel logic and deep ATS synchronization.” Gemini 3.5 Flash · paraphrase prompt · hard negative
“Why to avoid: It lacks deep ATS integration and compliance features required for enterprise recruiting.” Qwen 3.7 Flash · negative prompt · hard negative
“Calendly is the industry standard for a reason. It is the easiest tool to set up and requires the least amount of training” GLM 4.7 FlashX · comparative prompt · first choice
“Calendly is considered a budget-friendly option, with a free plan and paid plans starting at $10 to $16 per seat a month.” Llama 4 Maverick · budget prompt · first choice
“the best starting point is usually Calendly because it has a free plan and low-cost paid tiers” GPT-5.4 mini · budget prompt · first choice

What the models said about Koalendar

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.

“Lack enterprise features like audit trails, SSO, or robust integrations—avoid for scaled hiring due to reliability gaps.” Grok 4.20 · negative prompt · hard negative
“General-purpose schedulers such as Calendly, Cal.com, Koalendar, or YouCanBookMe: ... verify panel coordination” Perplexity Sonar · negative prompt · soft negative
“Koalendar is widely considered the best option for strict budget constraints because it offers a completely free plan with no time limits.” GLM 4.7 FlashX · budget prompt · first choice
“Often cited as the best genuinely free scheduler... Zero Budget: Use Koalendar” Qwen 3.7 Flash · budget prompt · first choice
“For most companies with a limited budget, I'd start with Koalendar.” DeepSeek V4 Flash · budget prompt · first choice
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.