Comparison

Aztec iServe vs Big TAP's

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Aztec iServe

This application provides a streamlined interface for managing orders and processing payments directly from a handheld device. It allows staff to serve customers more efficiently, even when offline, and syncs data once connectivity is restored.

Highlights
  • Take orders remotely
  • Process payments
  • Offline ordering capability
  • Increase transaction speed
  • Suggested ordering for increased spend
  • Enhance staff productivity
Features
Read full description

iServe from Zonal delivers a slick user experience for your team, providing them with access to Aztec EPoS functionality on an iPod or iPad. From anywhere in your venue, team members can take orders, print and process payments, providing a superior service to customers. Should Wi-Fi become unavailable, iServe will notify the user but continue to operate for ordering. Once the connection is re-established, offline orders will be submitted to the EPoS network. iServe enables orders to be processed faster and tables turned around quicker, staff visits to the bar and kitchen are reduced leaving your team more time to focus on your customer’s experience. Feature Snapshot β€’ Increase transaction speed β€’ Increase spend per head through suggested ordering β€’ Enhance team productivity and efficiency β€’ Reduce hardware costs β€’ Cost-effective handheld solution ZCF and Aztec are required for iServe. Please refer to the release notes for further information or contact your Zonal representative who can describe the latest versions of both ZCF and Aztec that are available on the latest bundle.

About

Big TAP's

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This is the tablet app version of S4labour's TAP's functionality, allowing employees to tap in and out for their shifts. To be able to use this app, you must already have an S4labour user profile and have subscribed to the Big TAP's module. Please contact your account manager for further information on activating this functionality.

Screenshots

Aztec iServe4 screens

Verdict

The call

The clearest difference is update cadence: Aztec iServe at every 6 weeks against Big TAP's's every 3 months. Aztec iServe also leads on device support (3 vs 1). Big TAP's's advantage is iOS requirement (13.4 vs 15.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Aztec iServe ships an update every 6 weeks, Big TAP's every 3 months. The most recent releases landed on June 4, 2026 and May 14, 2026 respectively.

Scorecard3 real differences Β· 5 level
Aztec iServe versus Big TAP's: the parameters behind the verdict, then further details
ParameterAztec iServeBig TAP's
PriceFreeFree
Positive reviews0.0% of reviewsβ€”
Update frequencyEvery 6 weeks β€” betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod β€” betteriPad
Requires iOS15.013.4 β€” better
Further details β€” not scored
Size18 MB24 MB
Age rating4+4+
DeveloperZonal Retail Data Systems LimitedS4LABOUR LIMITED

In-app purchases

None

Aztec iServe

No in-app purchases

None

Big TAP's

No in-app purchases

Questions

Is Aztec iServe free?
Aztec iServe is free to download, with no in-app purchases.
Is Big TAP's free?
Big TAP's is free to download, with no in-app purchases.
Do Aztec iServe or Big TAP's have ads?
Neither Aztec iServe nor Big TAP's shows ads.
Which is updated more often, Aztec iServe or Big TAP's?
Aztec iServe ships an update every 6 weeks, and Big TAP's every 3 months. Most recently, Aztec iServe was updated on June 4, 2026 and Big TAP's on May 14, 2026.

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