Influencer marketing case study: compare your past campaigns and draft the one you send to new clients
- For
- UGC and influencer agencies that want a case study to win the next brand, and brand teams comparing creator programs. Not for creators reviewing their own account.
- You provide
- A sheet of past campaign posts (Excel, CSV or pasted cells) with a Campaign column and, if you have them, Tier, Content type and Fee columns. Platform exports or PDF recaps are optional.
- Price
- Free plan: 100 credits, no card. Lookups take about 1 credit per TikTok or YouTube link and 2 per Instagram Reel; the comparison and case study add about 10 to 15. The 33-post example took 52 credits: 41 for the lookups, 11 for the report.
- What you get
- One document in two parts. Part 1 compares the campaigns: tables by campaign (split by platform), by creator tier, by content type and by any other label column in your sheet, with views, average views per post, engagement rate and cost per 1,000 views, plus 3–5 findings. Part 2 is a one-page case study draft for a prospective client, with placeholders where it needs a goal or a sales figure only you know. Your sheet comes back with each post's stats added.
- Coverage
- Public TikTok videos, Instagram Reels and posts, and YouTube Shorts and videos, with no fixed number of links per run, grouped by the columns of your sheet. Figures the public pages do not show (reach, clicks, sales) can come from a platform export or PDF you add; they are quoted as reported, not checked.
- Time to report
- Usually 1–3 minutes.
- Account
- Sign-in with Google required to run it. You can read the example and fill in the form without an account.
How do I turn past influencer campaigns into a case study?
Put every post from the campaigns in one sheet with a Campaign column (add Tier, Content type and Fee if you have them) and upload it. Nolyn reads each post's public views and engagement, totals every campaign, platform, tier and content type in code, works out cost per 1,000 views and drafts a one-page case study with placeholders for the goal and sales only you know. In a run on November 8, 2026, 33 public posts from three Poppi and Owala campaigns came back with 3,212,727 views in about 2 minutes for 52 credits, and the check that mattered: one post held 98.9% of one campaign's views and 70.3% of the top tier's.
Agencies win new brands with proof from past work, and the proof usually sits in a dozen tracking sheets. Put the posts in one sheet with a Campaign column, plus Tier, Content type or Fee if you track them. Nolyn reads every post's public views, likes, comments and shares, totals each campaign, platform, tier and content type in code, works out cost per 1,000 views from your fees, flags any result that rests on one breakout post, and writes a one-page case study draft you can edit and send.
- Posts read
- 33 of 33
- Total views
- 3,212,727
- One post's share
- 45.0%
- Cost per 1,000 views
- $12.41
Key findings
- One post decided three headline numbers
- The same launch reached about as many people on Reels as on TikTok
The report includes
- Campaign against campaign, platform against platform
- Which creators and content did best
- A case study draft to send
- Your sheet with the stats
What you get
Campaign against campaign, platform against platform
Which creators and content did best
A case study draft to send
Your sheet with the stats
Example: three public campaigns from Poppi and Owala, 33 posts
A real run on November 8, 2026 with 33 public creator posts from three campaigns: Poppi's Cran Fizz return (8 TikToks, November 2–6, 2026) and Sour Apple flavor (9 TikToks, August 28 to November 7), found under #poppipartner and #poppiambassador, and Owala's summer bags launch (8 TikToks and 8 Instagram Reels, June 2 to July 3, #owalapartner). We sorted creators into tiers by their public follower counts on November 8 (Nano under 10K, Micro 10K–100K, Mid 100K–500K, Macro 500K–1M, Mega 1M and up), labelled each post's content type from its caption, and marked #poppiambassador posts without #poppipartner as product-only ambassador posts. The brands' real fees are not public, so the sheet used example fees by tier: $150 Nano, $400 Micro, $1,200 Mid, $3,000 Macro, $8,000 Mega.
Posts read
33 of 33
3 campaigns, 32 creators, 25 TikTok + 8 Reels
Total views
3,212,727
Collected November 8, 2026
One post's share
45.0%
of all views, and 98.9% of Sour Apple's
Cost per 1,000 views
$12.41
At $39,600 in example fees, 28 paid posts
| Group | Posts | Views | Median post | Engagement | Fees (example) | Cost / 1K views |
|---|---|---|---|---|---|---|
| Campaign: Poppi Sour Apple | 9 | 1,462,830 | 1,111 | 6.14% | $4,250 | $2.93 |
| Campaign: Poppi Cran Fizz | 8 | 1,117,426 | 98,858 | 3.22% | $23,600 | $21.34 |
| Campaign: Owala summer bags | 16 | 632,471 | 9,742 | 4.59% | $11,750 | $18.58 |
| Campaign: Owala summer bags · TikTok | 8 | 326,108 | 11,399 | 5.33% | $8,750 | $26.83 |
| Campaign: Owala summer bags · Reels | 8 | 306,363 | 4,878 | 3.46% | $3,000 | $9.79 |
| Tier: Macro | 4 | 2,057,695 | 285,907 | 6.28% | $12,000 | $5.83 |
| Tier: Mid | 7 | 540,577 | 11,428 | 1.60% | $7,200 | $13.60 |
| Tier: Mega | 2 | 444,327 | 222,164 | 2.21% | $16,000 | $36.01 |
| Tier: Micro | 10 | 141,133 | 2,271 | 3.97% | $3,200 | $24.33 |
| Tier: Nano | 10 | 28,995 | 1,118 | 3.17% | $1,200 | $43.45 |
| Content: Showcase | 18 | 2,033,190 | 6,340 | 4.81% | $11,500 | $5.69 |
| Content: Lifestyle | 5 | 451,145 | 38,636 | 5.47% | $15,600 | $34.58 |
| Content: ASMR | 1 | 332,972 | 332,972 | 5.70% | $3,000 | $9.01 |
| Content: Recipe | 3 | 287,057 | 936 | 2.72% | $8,150 | $28.48 |
| Content: Unboxing / taste test | 6 | 108,363 | 3,930 | 7.97% | $1,350 | $13.67 |
| Deal: Paid partner | 28 | 3,190,615 | 9,742 | 4.79% | $39,600 | $12.41 |
| Deal: Ambassador | 5 | 22,112 | 1,322 | 9.59% | product only | — |
One row per group, totalled by the tool's code from the 33 lookups. Median post = the middle post's views (a one-post group shows that post). Engagement rate = (likes + comments + shares) ÷ views; Reels show no shares and two Reels hide likes, so Owala's rate covers 14 of 16 posts and platforms are compared on views first. Fees are examples by tier, not the brands' rates; product-only ambassador posts are left out of cost per 1,000 views.
One post decided three headline numbers
The same launch reached about as many people on Reels as on TikTok
Ambassadors engaged, paid creators reached
A high-view post with almost no likes
Every figure was recomputed from the saved TikTok and Instagram responses of this run (evidence file in our repository). The 33 lookups took 41 data credits (25 TikTok at 1, 8 Reels at 2) and the comparison and case study 11, 52 in all, in 2 minutes 14 seconds. That run's case study led with the Macro tier's $5.83 per 1,000 views without saying that one post carried 70.3% of those views. The tool now prints each group's median and any post holding half or more of a group's views, and the brief asks the report to judge such a group on its median. Counts keep growing while posts get views; each run records its collection time.
How the comparison and case study are built
Read your sheet
Each row's TikTok, Instagram or YouTube link is found, tracking parameters removed and repeated posts flagged. Columns with a few repeating values (Campaign, Tier, Content type) become the groups to compare; a creator name column does not.
Look up every post
Each distinct post is looked up once from its public data: views, likes, comments, shares and saves where the platform shows them. A failed lookup is retried with a second source and not charged.
Total each group in code
Views, average views per post, engagement rate, fees and cost per 1,000 views are added up for every campaign, platform, tier and content type by code, not by the AI, and the rows that could not be read are listed.
Write the findings and the draft
Nolyn writes the findings and the case study from those totals, keeps reported figures from your exports apart from the public counts, and leaves placeholders where the story needs a number only you have.
Who uses it
UGC and influencer agencies
Brand teams with creator programs
Agency strategists preparing a test
Limits
Only public posts and public counts, as the platform shows them at the moment of the lookup. Nolyn cannot read TikTok Studio, Instagram Insights or YouTube Studio, so reach, watch time, clicks and sales only appear if you add them from an export, and they are quoted as reported. Instagram and YouTube do not show shares or saves, and creators can hide like counts. Tiers and content types are whatever your sheet says; Nolyn does not label them. A group with one or two posts is reported as an anecdote. There is no fixed number of links per run: long lists keep going in steps until every link is read. Uploads up to 3 MB. A case study draft needs your review before it goes to a client: check the facts, fill the placeholders and get the brand's permission to name it.
Questions
The brand's starting point, what was run (how many creators, which tiers, which platforms, which dates), three or four results with the figure behind each, what the agency learned, and what it would do next. Results a brand can check, such as public views and engagement, carry more weight than adjectives. Reach, clicks and sales come from the platforms' own dashboards, so name where each one came from.
Compare views and cost per 1,000 views first. Engagement rate is not like for like: TikTok shows shares and Instagram does not, so the same post reads lower on Reels. Put the posts in one sheet with a Campaign column, upload it, and each campaign comes back split by platform.
ROI needs revenue: (revenue from the campaign − creator fees) ÷ creator fees, with revenue from a discount code, an affiliate link or the shop's own reports. Public data gives the cost side: fees divided by views gives cost per 1,000 views, which you can compare across campaigns and creator tiers. Add revenue from your exports to the optional field and the case study quotes it as reported; the free earned media value calculator works out ROI and EMV for one campaign.
It depends on your campaigns, so compare your own instead of an industry average, and check the median. In the November 8 example the Macro tier looked best at $5.83 per 1,000 views until its one breakout post was set aside: the other three Macro posts cost $14.74. The two Mega posts cost $36.01 per 1,000 views, too few to call a pattern.
No. Views, likes, comments, shares and saves are read from the public posts. Reach, watch time, clicks and sales are only in each platform's own dashboard; paste or upload those exports if you want them in the case study.
Yes, in the optional results field: the PDF's text is added to the field in your browser, and the case study quotes its figures as reported, apart from the public counts. Put the post links themselves in the sheet field, because links in the results text are not looked up. Scanned PDFs have no text to read; paste the figures instead.
The campaign report is for one campaign and one client: totals per creator and a recap email. This tool compares several campaigns against each other by campaign, platform, tier and content type, and writes a case study for a prospective client.
You can start free: new accounts get 100 one-time credits, no card required, enough for one comparison the size of the 33-post example. Failed lookups and repeated links are not charged. Paid plans add monthly credits: Plus has 1,500, about 28 runs of that size a month.
To run it, yes: sign in with Google. It is free and asks for no card. You can read the example and fill in the form before signing in.
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