Meta's Advantage+ Shopping campaigns and several third-party tools enforce spending thresholds.
Meta's own Advantage+ Shopping campaigns require a $100/day minimum spend to run [1]. Beyond that, most third-party Facebook automation tools don't enforce hard minimum spend requirements, but they do have spend caps or pricing tiers that effectively create minimums.
AdEspresso's Starter plan costs $49/month but has a hard $1,000/month ad spend cap [2]. Once you hit that, you're forced to upgrade to the Plus plan at $99/month. So if you're scaling your budget, you'll hit a forced upgrade point whether you want to or not.
Madgicx doesn't have a minimum spend to use the tool, but their Pro pricing is tiered by your monthly Meta spend, they charge different rates for the <$1K bracket versus $1K–$2.5K versus $2.5K–$5K, and so on [3]. As your ad spend grows, your software cost automatically rises with it. That's not a minimum; it's a hidden cost structure.
Birch (formerly Revealbot) is flat-rate up to $10,000/month connected spend, $49/month for Essential, $99/month for Pro [4]. No surprise upgrades when you scale past that threshold.
Entry-level pricing advertised at $25–$49/month often hides spend caps or add-on costs that kick in once your budget grows. If you're running organic content boosting and want predictability as you scale, flat-rate pricing beats spend-tier pricing every time.
What's your current monthly Facebook ad budget? That changes which tool actually makes sense for you.