Always compare cash due, not marketing equivalents
A plan advertised at $3.99 a month may charge $47.88 for twelve months immediately. Another advertised at $9.99 a month may require a $119.88 annual payment. Both are legitimate equivalent monthly presentations when clearly disclosed, but neither means you can pay one month at the equivalent price and then walk away without an annual commitment.
Start with the amount charged at checkout, how long access lasts, whether renewal is automatic and whether the next charge changes. Add credits and optional upgrades only after that base obligation is understood.
The three different ways extra usage is sold
First, some services bundle an amount of monthly media allowance with subscription. Second, some deduct virtual currency from a balance when images, video or calls are generated. Third, some require a separate credit-pack purchase, and the smallest pack may exceed your immediate needs. A provider can combine all three models.
A cost calculation must therefore distinguish cash spent, virtual units consumed and remaining virtual balance. These are not interchangeable accounting measures.
Worked example: OurDream standard media
OurDream’s support articles list 1,000 Dreamcoins as a recurring standard-plan deposit. At the published standard-action rates, twenty images generated as ten two-image batches cost approximately 100 Dreamcoins (10 coins per two images), five standard five-second videos use 500 Dreamcoins, and five voice minutes cost 250 Dreamcoins. Together that scenario uses about 850 Dreamcoins.
The actual cash purchase could therefore be just the subscription for that specific usage, assuming no other charges and a sufficient starting balance. But change the video model or create longer clips and the coin requirement changes. If you exceed your balance, an exact dollar total needs the verified pack options; otherwise report a coin shortfall rather than assuming $0 for extra usage.
Worked example: Candy AI annual versus monthly
Candy AI’s public subscriptions page showed $13.99 monthly and $47.88 annually upfront. The annual choice lowers the equivalent monthly price if you actually use the product for twelve months. But it commits more cash on day one and does not establish how many premium videos you can make with the included token allowance.
Someone intending to experiment for four weeks should compare the one-month cash requirement with any trial, while someone committed for a year can compare total base fees plus the media they expect. The second term cannot be priced accurately without token-per-action and extra-pack data.
How to use the calculator honestly
Select a service, its documented plan and the time horizon. For providers with known virtual currency rules, enter only actions matching the documented unit definition—such as one standard five-second video. The calculator can show the known subscription payment and projected virtual-currency use. If pack prices are missing, any overage stays unknown.
If you enter your own direct cash rates, those are local assumptions, not verified provider rates. The site should clearly distinguish them from documented information. Taxes, region, refunds, credit expiry, unusable leftovers and promotional renewal differences may still affect the actual bill.
Your final checkout checklist
- Write down the exact upfront cash amount and what it buys.
- Convert monthly-equivalent advertising to the real billing interval.
- Record included credits, generation-unit costs and pack minimums.
- Look for cancellation, rollover and renewal price details.
- If one crucial number is unknown, treat the quoted cost as a lower bound, not a complete total.
A compact twelve-month budgeting example
Suppose a fictional service offers $15 monthly or $108 annually upfront. If you pay monthly and use it for eight months, the subscription costs $120 before extras. If you prepay the year, you spend $108 even if you stop after two months. If you remain for twelve months, monthly payments total $180. Neither option is automatically “best”: it depends on how long you actually use it, refundability and the price of optional media.
When comparing subscriptions, model three scenarios: light text chat, moderate pictures and occasional calls, and heavy video. Use identical action counts across providers, then label every unknown charge. A model returning “$0 extra” solely because no public price could be found is broken by design; missing data is uncertainty, not a free allowance.
Published prices in real products
At the cited US-dollar rates, Candy AI Premium annual is $47.88 paid upfront on its published offer, while OurDream Standard annual is $119.88 upfront. Their monthly-equivalent advertising is $3.99 and $9.99 respectively, but neither amount is a monthly cash debit on those annual offers. Nomi’s US App Store shows its Standard annual plan at $99.99; other regions and platforms may charge differently.
Why credits change the arithmetic
OurDream documents 100 Dreamcoins per five-second standard video. Five such clips consume 500 coins. Ten clips consume 1,000 coins—one monthly Standard deposit—before chat upgrades, images or voice use. Candy includes 100 monthly tokens on Premium, but the price of a specific generation action is shown in the action interface and cannot be assumed to match an OurDream coin rate. Use our calculator to evaluate a defined standard-media workload, and treat any undisclosed cash pack prices as costs still to determine rather than zero.
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