Comparison

OKbase vs CallGuard

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

Head to head
About

OKbase

This application allows current users of the OKbase time and attendance system to record their arrivals, departures, breaks, and other interruptions. It supports attendance tracking via NFC chips, home Wi-Fi network, or manual entry with automatic GPS coordinate logging. The system learns user habits to suggest the most frequent interruption types.

Highlights
  • Record arrivals and departures
  • Log breaks and interruptions
  • Track attendance via NFC
  • Wi-Fi network-based check-in
  • Manual entry with GPS logging
  • Self-learning interruption suggestions
Features
Read full description

Aplikace je určena současným uživatelům docházkového systému OKbase. Umožňuje zaznamenat odchod i příchod z pracoviště, přestávku, návštěvu lékaře či další přerušení. Umožňuje zaznamenat docházku zaměstnance přiložením k NFC čipů, evidencí v domovské Wi-Fi síti, nebo manuálně s automatickým záznamem GPS souřadnic. Systém je samoučící a nabízí uživatelům nejčastěji používaná přerušení. Pro přihlášení na server s více organizacemi zadejte uživatelské jméno ve formátu [[dataSource/]orgId/]username. Např. oksystem/novakj nebo dataSource1/oksystem/novakj

About

CallGuard

This app blocks unwanted calls at the system level before your phone rings. You create custom blocking rules for exact numbers, ranges, or prefixes, with advanced features like visual range editing and overlap detection. Your contacts are always protected, and all data processing is local for maximum privacy.

Highlights
  • System-level call blocking
  • Customizable blocking rules
  • Visual range editor
  • Contact protection
  • Overlap detection
  • iCloud sync
  • Statistics dashboard
Features
Read full description

CallGuard blocks unwanted calls at the system level using Apple's Call Directory Extension — before your phone even rings. YOU DECIDE WHAT TO BLOCK No pre-loaded spam lists. You create your own rules and only numbers you add are blocked. Nothing happens automatically. BLOCKING OPTIONS • Exact Number — Block a specific phone number • Range — Block all numbers within a range • Prefix — Block all numbers starting with a prefix KEY FEATURES • Visual Range Editor — Drag handles to adjust ranges with real-time feedback • Contact Protection — Your contacts are never blocked, even within a range • Overlap Detection — See which rules overlap and total numbers blocked • Capacity Tracking — Stay within Apple's 100K limit with visual indicators • Smart Auto-Sync — Rules sync automatically with intelligent debouncing • Sync Status — See exactly which rules are synced and which need updating • iCloud Sync — Optionally sync your rules across all your devices • Statistics Dashboard — Charts showing blocking activity and sync history • Live Activity — Track sync progress in Dynamic Island and Lock Screen PRIVACY • No account required • No data leaves your device • All processing is local • iCloud sync is optional and off by default Available in English, French, German, Spanish, and Chinese.

Screenshots

OKbase3 screens
CallGuard4 screens

Verdict

The call

The clearest difference is review sentiment: CallGuard at 100% against OKbase's 0%. CallGuard also leads on update cadence (every 9 days vs every 6 weeks). OKbase's advantage is price (Free vs $4.99) and iOS requirement (15.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

OKbase is free to download; CallGuard costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OKbase ships an update every 6 weeks, CallGuard every 9 days. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 3 level
OKbase versus CallGuard: the parameters behind the verdict, then further details
ParameterOKbaseCallGuard
PriceFree — better$4.99
Positive reviews0.0% of reviews100.0% of reviews — better
Update frequencyEvery 6 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better18.0
Further details — not scored
Size31 MB4 MB
Age rating4+4+
DeveloperOKsystem a.s.Alexis Creuzot

Customer experience

OKbase

Written reviews14 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

CallGuard

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OKbase

No in-app purchases

None

CallGuard

No in-app purchases

Questions

Is OKbase free?
OKbase is free to download, with no in-app purchases.
Is CallGuard free?
CallGuard costs $4.99, with no in-app purchases.
Do OKbase or CallGuard have ads?
Neither OKbase nor CallGuard shows ads.
Which is updated more often, OKbase or CallGuard?
OKbase ships an update every 6 weeks, and CallGuard every 9 days. Most recently, OKbase was updated on October 13, 2026 and CallGuard on October 21, 2026.

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