Comparison

Message Viewer Pro vs Compound Calculator

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

Head to head
About

Message Viewer Pro

Easily view EML and MSG email files, including attachments, directly on your iOS or macOS device. Share or print attachments, or compose new emails using the content of your saved messages.

Highlights
  • View EML and MSG files
  • Access attachments
  • Share attachments
  • Print attachments
  • Compose new emails from viewed messages
Features
Read full description

View both EML and MSG (Outlook) files on your iOS/macOS device, including attachments within them. These are usually emails saved in the EML or MSG format. Tap on an EML or MSG file in another app, "Open In..." and select Message Viewer to view your saved email. You may tap "open a sample EML" to see an example email open up. Attachments may be shared with other apps or printed. Tap the compose icon to open your EML/MSG as a new Mail message.

About

Compound Calculator

Features
Read full description

Compound Calculator - Lite is a simple and easy-to-use compound interest calculator. Whether you are an investor, a saver, or just curious about how your money grows over time, this app helps you calculate compound interest quickly and plan your financial goals with ease. Key Features Project Wealth Growth Easily calculate how your money grows with annual, monthly, or daily compounding. See the power of compound interest in action. Set Target Amounts Set your savings goal. The app will calculate how much you need to invest today or save regularly to reach your target. Plan Long-Term Savings Support for regular contributions. See how monthly or yearly deposits accelerate your wealth growth over any time period. Flexible Time Periods Calculate for any duration from months to decades. Perfect for short-term goals and long-term retirement planning. Adjustable Compounding Frequency Choose daily, weekly, monthly, quarterly, semi-annual, or annual compounding. Compare how different frequencies affect your final returns. Clear Results Display See final value, total contributions, total interest earned, and growth charts at a glance. Why Choose Compound Calculator - Lite Professional & Accurate - Built on standard compound interest formulas for reliable, precise results. Simple & Intuitive - Clean interface. Just enter your numbers and get instant answers. Offline & Private - All calculations happen on your device. No internet required, no data uploaded. Versatile Use Cases - Perfect for personal savings, retirement planning, education funds, investment analysis, and financial education. Perfect For Saving for retirement or a down payment on a house Building an education fund for your children Understanding how your investments can grow over time Teaching students the power of compound interest Planning any long-term financial goal Download Compound Calculator - Lite Make compound interest calculations simple. Download now and watch your money grow. Subscription Plans & Auto-Renewal Info Flexible subscription plans to fit every need: 1 Month – Ideal for short-term users 1 Year – Best value for committed users Lifetime – One-time purchase, forever access Auto-Renewal Details: Payment will be charged to your iTunes Account at confirmation of purchase Subscriptions auto-renew within 24 hours before the current period ends (except Lifetime) Renewal charges will be processed within 24 hours before the end of the current period Manage subscriptions or turn off auto-renewal anytime via your Apple ID Account Settings Lifetime Membership Perks: Pay once, unlock all features forever—no renewals, no hassle. Manage Subscriptions: Settings > [Your Name] > Subscriptions Privacy Policy: https://docs.qq.com/doc/DREt1SXJkbG9JYUFT Terms of Use (EULA): https://docs.qq.com/doc/DREdKR2ZwYUJaa1hr Apple Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Contact Us: hxx_shdt@126.com

Screenshots

Message Viewer Pro2 screens
Compound Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Message Viewer Pro at none against Compound Calculator's 3. Compound Calculator's advantage is update cadence (every 5 days vs monthly) and price ($0.99 vs $3.99). On ads, device support and iOS requirement 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

Message Viewer Pro costs $3.99 and Compound Calculator $0.99 up front. Compound Calculator sells 3 in-app purchases, starting at $2.99 per month. Message Viewer Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Message Viewer Pro ships an update monthly, Compound Calculator every 5 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 6 level
Message Viewer Pro versus Compound Calculator: the parameters behind the verdict, then further details
ParameterMessage Viewer ProCompound Calculator
Price$3.99$0.99 — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better17.6
Further details — not scored
Size15 MB5 MB
Age rating4+4+
DeveloperMatrix Logic Corporation乐祥 胡

In-app purchases

None

Message Viewer Pro

No in-app purchases

3 purchases

Compound Calculator

Subscriptions2
  • Compound Calculator - Pro 30days$2.991 Month
  • Compound Calculator - Pro 360days$14.991 Year
One-time1
  • Compound Calculator Pro - lifetime$19.99

Questions

Is Message Viewer Pro free?
Message Viewer Pro costs $3.99, with no in-app purchases.
Is Compound Calculator free?
Compound Calculator costs $0.99, and also offers in-app purchases.
Do Message Viewer Pro or Compound Calculator have ads?
Neither Message Viewer Pro nor Compound Calculator shows ads.
Which is updated more often, Message Viewer Pro or Compound Calculator?
Message Viewer Pro ships an update monthly, and Compound Calculator every 5 days. Most recently, Message Viewer Pro was updated on October 24, 2026 and Compound Calculator on October 28, 2026.

Other comparisons