Making the work
Growing an audience
Running the business
GrowSurf runs an ongoing refer-a-friend program for a product, billed by how many participants are in it: $125 a month covers up to 2,500 people, after a 14-day trial. PerkZilla runs a tiered reward ladder for a launch, waitlist or newsletter push at a flat $29, $49 or $99 a month, whatever the list size. Pick GrowSurf for a referral channel that runs for years. Pick PerkZilla for a campaign with an end date and a list that is growing fast.
GrowSurf | PerkZilla | |
|---|---|---|
| Starting price (they differ) | From $125 | From $29 |
| Pricing model (they differ) | Free trial, then paid | Paid subscription |
| Free tier | No | No |
| Billing | Not stated | Monthly or annual |
| Free trial | 14 days | Not stated |
| API | Yes |
Referral programs priced by participant
GrowSurf runs a refer-a-friend program for a product rather than a one-off giveaway: every participant gets a link, the rewards fire automatically, and the tax paperwork on the payouts is handled. It bills on how many people are in the program rather than on how many you refer, which is unusual and worth understanding before you launch.
Our note
The pricing model is the thing to think hardest about: paying per participant is generous if your referrals convert and punishing if they do not. Run the trial with real traffic before committing to a year.
Only on this side
Reward people for bringing their friends
PerkZilla runs the kind of campaign where a subscriber gets something for referring others: a tiered reward ladder, a share link per person, and a leaderboard if the audience responds to one. It sits on a landing page or inside an email sequence and reports who actually brought somebody. Rewards can be digital goods, discounts or access. The pricing is flat rather than metered on list size, which is unusual in this category.
Pick GrowSurf if referrals are becoming a permanent channel for a product with steady signups. Startup is $125 a month, $1,504 billed yearly, for up to 2,500 participants and two referral programs, with automatic rewards, 1099 tax filing and a 14-day trial that includes the paid features. Anybody who refers or is referred counts toward that cap, so the bill tracks program size rather than revenue.
Pick PerkZilla if the job is a launch, a waitlist or a newsletter push and the price needs to stay flat while the list grows. The three tiers are $29, $49 and $99 a month, chosen by campaign and participant volume rather than by feature, and PerkZilla's cheapest tier costs less than a quarter of GrowSurf's entry price. There is no free plan or trial stated, so committing means paying first.
Ratings are the average of reviews readers left. The facts are stated by each tool’s own listing and are not verified by CloutStack. How we make money.
| Not stated |
| Data export | Not stated | Not stated |
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| Their cut | Not stated | Not stated |
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| Runs on | Web | Web |
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| Covers | Giveaways & Referrals, Affiliate & Referral | Giveaways & Referrals |
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| Works with | Nothing in particular | Nothing in particular |
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| Founded | Not listed | Not listed |
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| Reader rating | No reviews yet | No reviews yet |
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| Live deals | None right now | None right now |
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Shaded rows are where the two answers disagree and both listings have answered. A row where one side has not stated a fact is left plain, because silence is not a difference.
Our note
The absence of a free tier is the thing to weigh, since it means committing before seeing whether your audience shares at all. If that matters more than the flat rate, start with a tool that has one and move here when the referral loop is proven to work.