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Religion · head to head

Overflow vs Servant Keeper

Overflow logo

Overflow

Religion

Stock, crypto and donor-advised fund giving for churches and nonprofits, priced per gift type

From
$50/month
Rated
-
Full reviewWebsite
Servant Keeper logo

Servant Keeper

Religion

Church scheduling and volunteer management software

From
$79.99/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Overflow crypto carries a 3 percent fee on top of the base rate, which makes it the most expensive channel on the platform at exactly the point where donors expect it to be cheap.; Servant Keeper the Core plan at $79.99 per month is limited to 4 estimated users and the Complete plan at $159.99 to 8
  • They diverge on capability: Overflow covers Stock donation flow, Servant Keeper covers Volunteer Scheduling.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Overflow and Servant Keeper actually diverge.

Attributes where Overflow and Servant Keeper differ
AttributeOverflowServant Keeper
Starting price$50/month$79.99/month
Pricing modelPer month plus a published fee per asset typesubscription
PlatformsWeb, iOS, AndroidWeb, Mobile
FoundedUnknown2002

Identical on both: free tier (No), user rating (Not yet rated), category (Religion).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Overflow

  • Stock donation flow
  • Cryptocurrency giving
  • Donor-advised fund grants
  • Card and ACH giving
  • RoundUps
  • Tax receipting

Only in Servant Keeper

  • Volunteer Scheduling
  • Position Management
  • Automated Reminders
  • Skill Tracking
  • Email Notifications
  • Calendar Systems
  • Text Messaging
  • Mobile App

What people use each for

The jobs each tool is most often brought in to do.

Overflow

  • A church wanting to accept appreciated stock without the finance team processing each transfer by handnot Servant Keeper
  • A capital campaign where major donors are more likely to give assets than cashnot Servant Keeper
  • A nonprofit that keeps being offered donor-advised fund grants and has no clean way to receive and attribute themnot Servant Keeper
  • Adding crypto giving for a younger donor base without holding the asset or managing a walletnot Servant Keeper

Servant Keeper

  • Church membership and family record managementnot Overflow
  • Recording contributions and issuing giving statementsnot Overflow
  • Child check-in and attendance tracking for congregationsnot Overflow

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Overflow

  • Crypto carries a 3 percent fee on top of the base rate, which makes it the most expensive channel on the platform at exactly the point where donors expect it to be cheap.
  • Card processing at 2.75 percent plus 30 cents on the entry plan is above what a church can get from a dedicated church giving processor, so using Overflow for routine weekly giving costs more than it should.
  • It is a giving channel, not a church management system, so contributions must be reconciled into your existing ChMS and finance software, adding a second monthly close step.
  • Stock and DAF fees are quoted as a 1 to 3 percent range with the actual rate depending on transfer route, so an organisation cannot forecast net proceeds precisely before the gift settles.
  • Non-cash gifts settle over days rather than instantly, and the amount received depends on the price at liquidation, so the receipted value and the cash landed will not match.

Servant Keeper

  • The Core plan at $79.99 per month is limited to 4 estimated users and the Complete plan at $159.99 to 8
  • Check-in is a $199 optional add-on on the Core plan rather than an included feature
  • Core gets only the standard payment processing rate; the preferred rate requires the Complete plan
  • Onboarding on Core is self-guided, and white glove data transfer is priced on request on both plans
  • SMS text messaging on Complete is capped at 1,000 messages per month
  • Live streaming on Complete is capped at 25 hours per month of 720p HD, with 50 GB of storage
  • Email, texting, website and app features are all withheld from the Core plan
  • The 8% saving requires paying annually, at $879.89 or $1,759.89 up front

Pricing, plan by plan

Overflow

$50/month
  • Foundation$50/month
    • All giving methods including stock, crypto and DAF
    • Cards from 2.75 percent plus 0.30 USD
    • ACH at 0.50 percent plus 0.20 USD
  • Growth$undefined/month
    • Reduced processing rates by volume
    • Dedicated onboarding and account management
    • Token vaulting for recurring donors
  • Enterprise$undefined/month
    • Custom rate structure for multi-site organisations
    • Strategic support
    • Custom pricing

Servant Keeper

$79.99/month
  • Core (Monthly)$79.99/month
    • For smaller ministries
    • Track unlimited families/members
    • 4 estimated users included
  • Core (Annual)$879.89/year
    • Annual billing saves $80/year
    • $73.32/month equivalent
    • Same features as monthly Core plan
  • Complete (Monthly)$159.99/month
    • Labeled best value, for established ministries
    • 8 estimated users included
    • Included check-in
  • Complete (Annual)$1759.89/year
    • Annual billing saves $160/year
    • $146.66/month equivalent
    • Same features as monthly Complete plan

Which should you pick?

Choose Overflow if

  • You need stock donation flow.
  • You work on Web, iOS, Android.
  • You also want cryptocurrency giving.
Overflow review

Choose Servant Keeper if

  • You need volunteer scheduling.
  • You work on Web, Mobile.
  • You also want position management.
Servant Keeper review

Questions people ask

Is Overflow or Servant Keeper better?
Neither clearly leads. Overflow starts at $50/month and Servant Keeper at $79.99/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Overflow or Servant Keeper?
Overflow starts at $50/month and Servant Keeper at $79.99/month.
Does Overflow or Servant Keeper run on more platforms?
Overflow runs on Web, iOS, Android. Servant Keeper runs on Web, Mobile.
What is Overflow best used for?
Overflow is most often used for a church wanting to accept appreciated stock without the finance team processing each transfer by hand, a capital campaign where major donors are more likely to give assets than cash, a nonprofit that keeps being offered donor-advised fund grants and has no clean way to receive and attribute them, adding crypto giving for a younger donor base without holding the asset or managing a wallet. Of those, a church wanting to accept appreciated stock without the finance team processing each transfer by hand and a capital campaign where major donors are more likely to give assets than cash are not what Servant Keeper is typically brought in for.
What can Overflow do that Servant Keeper cannot?
Overflow covers Stock donation flow, Cryptocurrency giving, Donor-advised fund grants, Card and ACH giving. Servant Keeper covers Volunteer Scheduling, Position Management, Automated Reminders, Skill Tracking.

Answered from the vendors’ own pages

Overflow: What does Overflow cost?

Foundation is 50 USD a month. Cards start at 2.75 percent plus 0.30, ACH at 0.50 percent plus 0.20, stock and DAF at 1 to 3 percent, and crypto adds 3 percent.

Servant Keeper: How much does Servant Keeper cost?

Servant Keeper offers Core at $79.99/month or $879.89/year (8% savings), and Complete at $159.99/month or $1,759.89/year (labeled best value). An Unlimited Option is available for ministries needing expanded capacity in texting, livestreaming, website, and app features.

Source
Overflow: Why give stock instead of cash?

Transferring appreciated shares avoids the capital gains tax the donor would pay on selling first, so the same after-tax cost produces a larger gift.

Servant Keeper: What is included in each Servant Keeper plan?

Core includes unlimited families/members and 4 estimated users with optional check-in. Complete includes 8 estimated users, check-in, email, unlimited texting (1,000/month), website, app (50GB), and livestreaming (25 hours/month).

Source
Overflow: Does Overflow replace our church management system?

No. It handles giving only and integrates with your existing ChMS.

Servant Keeper: Is there phone and email support included?

Yes, both Core and Complete plans include phone, email, and chat support. The Complete plan also offers preferred payment processing rates and premium onboarding with a Kick-off Call.

Source
Overflow: Do we hold the cryptocurrency?

No. Crypto gifts are liquidated and remitted as cash, so the organisation does not carry price risk after settlement.

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