Agentis analysis of Return Prime's published Shopify App Store pricing shows the free tier's $0.49 per-return overage fee crosses the $19.99 Grow plan's flat monthly cost at 46 returns a month. Below that volume the free plan is cheaper; above it, staying on the free plan to avoid a monthly fee actually costs more than upgrading.
How many returns you process in a typical month.
Cost on Free Plan (5 free, then $0.49 each)
$20.09
Cost on Grow Plan ($19.99 flat, up to 60)
$19.99
How Much More the Free Plan Costs
$0.10
| Tier | Monthly Price | Included Returns | Overage Rate |
|---|---|---|---|
| Start (Free) | $0 | 5/month | $0.49 per additional request |
| Grow | $19.99 | 60/month | Not disclosed past cap |
| Thrive AI | $79.99 | 180/month | Not disclosed past cap |
| Scale | $149.99 | 450+/month | Not disclosed past cap |
Source: Shopify App Store: Return Prime (retrieved August 7, 2026). Return Prime's listing states overage costs of $0.49-$0.79 per additional request depending on plan level but only itemizes the exact $0.49 rate for the free tier, so this table doesn't state a specific overage figure for the paid tiers past their caps.
| Monthly Returns | Free Plan Cost | Grow Plan Cost | Cheaper Option |
|---|---|---|---|
| 10 | $2.45 | $19.99 | Free plan |
| 20 | $7.35 | $19.99 | Free plan |
| 30 | $12.25 | $19.99 | Free plan |
| 40 | $17.15 | $19.99 | Free plan |
| 46 | $20.09 | $19.99 | Grow plan |
| 60 | $26.95 | $19.99 | Grow plan |
Source: Shopify App Store: Return Prime (retrieved August 7, 2026). Agentis synthesis: arithmetic applied to Return Prime's own published per-request overage rate ($0.49 beyond the 5 free monthly returns) and the Grow plan's flat $19.99 monthly price.
How we calculate this
Return Prime's own Shopify App Store listing publishes each tier's monthly price, included-return count, and the free tier's per-request overage rate. The crossover volume where upgrading becomes cheaper is Agentis synthesis: pure arithmetic on those published numbers. Flat-rate apps like Loop Returns, whose paid tiers don't cap return volume, don't have this crossover dynamic at all, since price doesn't scale with how many returns you process. Read our full methodology →
Expert Insight
Merchants pick the free plan by default and treat the monthly fee on the next tier up as the thing to avoid. That's backwards past a certain volume. A per-request overage fee is a variable cost that scales with your worst month, while a flat monthly fee is fixed no matter how many returns come in. Once you're consistently over the free tier's included volume, the 'free' plan is quietly the more expensive one. The right question isn't which plan costs less on paper. It's which plan costs less at the volume you're actually running.
Herzel Mishel, CEO & Co-Founder →No. Pricing models differ by app. Return Prime's tiers are volume-capped with a per-request overage fee, while other returns apps, including Loop Returns' paid plans, charge a flat monthly rate with no return-volume cap. Which model costs less depends entirely on how many returns you process each month. Return Prime's published listing includes 5 returns a month on its free Start tier and charges $0.49 for each additional request. The Grow plan is $19.99 flat for up to 60 returns, Thrive AI is $79.99 for 180, and Scale is $149.99 for 450 or more. The crossover is 46 returns a month: below it the free plan is cheaper, above it the flat plan wins. A per-request fee scales with your worst month while a flat fee does not, so check your monthly return count, including peak months, against these thresholds before choosing a plan.
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Data last updated August 7, 2026. Browse all App & Tooling Costs pages →