Comparison

Viva Complex vs LogFast

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

Head to head
About

Viva Complex

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We provide you with an easy and convenient way to track your workouts, book sessions, and gain access to your favorite fitness center. Our app allows you to enter the gym with just a QR code generated from your mobile device. Plan your workouts and book spots in group activities. Never miss your favorite yoga or Pilates session again! Stay informed! Receive notifications for upcoming workouts, special offers, and news from our fitness center.

About

LogFast

Features
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Stop overpaying for groceries you already buy. LogFast turns your shopping list into a smarter way to shop. Add the products you need, and LogFast helps match them with current supermarket promotions, spot savings, track favorite products, and plan your shopping around the best available deals. Build your shopping list โ€ข Add products manually or with the AI assistant โ€ข Check off items as you shop โ€ข Save recurring products as favorites โ€ข Keep your list simple, organized, and ready for the store Find matching deals โ€ข See supermarket offers that match your list โ€ข Browse weekly deals by store or category โ€ข Search products and compare promo prices โ€ข See what is cheaper now and what offers are coming soon Watch your favorite products โ€ข Track the items you buy again and again โ€ข Get alerted when matching deals appear โ€ข Keep an eye on savings without searching every brochure yourself Shop smarter with AI โ€ข Ask the assistant to add items, find deals, or suggest meals from your list โ€ข Turn current offers into practical meal ideas โ€ข Save recipes and add missing ingredients back to your list Plan once. Compare faster. Shop with fewer surprises. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Viva Complex4 screens
LogFast3 screens

Verdict

The call

The clearest difference is in-app purchases: Viva Complex at none against LogFast's 2. LogFast's advantage is update cadence (weekly vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. LogFast sells 2 in-app purchases, starting at $3.99 per month. Viva Complex asks for nothing beyond the download.

UpkeepUpdate frequency

Viva Complex ships an update every 16 months, LogFast weekly. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

Scorecard2 real differences ยท 4 level
Viva Complex versus LogFast: the parameters behind the verdict, then further details
ParameterViva ComplexLogFast
PriceFreeFree
Update frequencyEvery 16 monthsWeekly โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.0 โ€” better15.1
Further details โ€” not scored
Size128 MB49 MB
Age rating4+4+
DeveloperGym Realm Technology ADEmanuil Mladenov

In-app purchases

None

Viva Complex

No in-app purchases

2 purchases

LogFast

Subscriptions2
  • Monthly Plan$3.991 Month
  • Anual Plan$17.991 Year

Questions

Is Viva Complex free?
Viva Complex is free to download, with no in-app purchases.
Is LogFast free?
LogFast is free to download, with in-app purchases available.
Do Viva Complex or LogFast have ads?
Neither Viva Complex nor LogFast shows ads.
Which is updated more often, Viva Complex or LogFast?
Viva Complex ships an update every 16 months, and LogFast weekly. Most recently, Viva Complex was updated on September 18, 2026 and LogFast on September 13, 2026.

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