Comparison

Rediffmail Professional vs KrestBlz

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

Head to head
About

Rediffmail Professional

Access your company emails seamlessly on your iPhone and iPad. This application offers a clutter-free inbox, robust spam filtering, and fast search capabilities. It also allows offline access to emails and previews of various document types.

Highlights
  • Seamless company email access
  • Clutter-free inbox
  • Zero tolerance spam filtering
  • Faster mail search
  • Offline mail access
  • Document and PDF preview
Features
Read full description

Download Rediffmail enterprise's official mail application to enjoy a seamless experience of your company emails across (iPhone and iPad) devices. It's easy to use, keeps your mails safe and helps you to find your mails quickly. Why use Rediffmail Prodessional? Easy to use mailbox – We understand what you like to read and deliver only those mails to your inbox to give you clutter free experience. Less spam – We have zero tolerance towards SPAM. We have taken extra care so that SPAM mails does not sneak in to your Inbox. Faster search – As the mails piles up in inbox, quickly find right mails by typing few letters. Offline mails – Check mails or write a mail even when you are not connected to the internet. Document viewer - Preview office documents (.doc, .docx, .xls, .xlsx, .ppt, .pptx, etc.) and pdf right from the app itself. Note: To use this application, you must have an valid RCloud license assigned to you by your company email administrator.

About

KrestBlz

Features
Read full description

KrestBiz – Business Sales & Performance Tracking KrestBiz is a mobile business management and sales tracking application designed for Krest customers. It provides convenient access to business sales information directly from your mobile device, helping you monitor performance and make informed decisions anytime, anywhere. With KrestBiz, you can quickly access and analyze your daily sales data using multiple filters and views. Whether you are monitoring overall business performance or reviewing specific sales information, KrestBiz makes it easier to stay connected with your business. Key Features Daily Sales Tracking:- Monitor your daily sales information conveniently from your mobile device. Powerful Sales Filters:- Filter sales data based on available criteria to quickly find the information you need. Business Performance Monitoring:- Keep track of sales performance and stay informed about your business activity. Mobile Access:- Access your business sales information anytime and anywhere through a simple and convenient mobile interface. Quick & Convenient:- Get important business information without needing to access your desktop system. Secure Customer Access:- Designed for authorized Krest customers to securely access their business information. Stay Connected With Your Business KrestBiz helps Krest customers stay informed about their sales activity while on the move. Get quick access to important sales information, apply filters to analyze data, and keep track of your business performance from your smartphone. KrestBiz – Your Business Information, Wherever You Go.

Screenshots

Rediffmail Professional4 screens
KrestBlz4 screens

Verdict

The call

Rediffmail Professional and KrestBlz are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

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

UpkeepUpdate frequency

Rediffmail Professional ships an update every 3 weeks, KrestBlz every 2 weeks. The most recent releases landed on November 3, 2026 and November 11, 2026 respectively.

ScorecardNo meaningful differences
Rediffmail Professional versus KrestBlz: the parameters behind the verdict, then further details
ParameterRediffmail ProfessionalKrestBlz
PriceFreeFree
Rating2.6 (5 ratings) — better—
Positive reviews3.8% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.6
Further details — not scored
Size20 MB15 MB
Age rating4+4+
DeveloperRediff.comKrestSolutions Pvt Ltd

In-app purchases

None

Rediffmail Professional

No in-app purchases

None

KrestBlz

No in-app purchases

Questions

Is Rediffmail Professional free?
Rediffmail Professional is free to download, with no in-app purchases.
Is KrestBlz free?
KrestBlz is free to download, with no in-app purchases.
Do Rediffmail Professional or KrestBlz have ads?
Neither Rediffmail Professional nor KrestBlz shows ads.
Which is updated more often, Rediffmail Professional or KrestBlz?
Rediffmail Professional ships an update every 3 weeks, and KrestBlz every 2 weeks. Most recently, Rediffmail Professional was updated on November 3, 2026 and KrestBlz on November 11, 2026.

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