Comparison

Multi Search Engine vs Delta Calc

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

Head to head
About

Multi Search Engine

Enhance your browsing with a powerful search tool that integrates with Safari. Switch between multiple search engines instantly from your address bar to find information faster. This utility is available for iOS, iPadOS, and macOS.

Highlights
  • Switch between search engines
  • Integrates with Safari
  • Fast search functionality
  • Supports iOS, iPadOS, and macOS
  • Single purchase for full features
Features
Read full description

Upgrade your Safari browsing and search experience by purchasing MultiSearchEngine. With a single purchase, you gain access to a full-featured search tool that supports iOS, iPadOS, and macOS. With MultiSearchEngine, you can significantly enhance your search efficiency within the browser, elevating your overall browsing experience.  MultiSearchEngine is an extension for Safari, allowing you to conveniently switch between various search engines. For instance, you can type "bn mountain" in the address bar to quickly search "mountain" using the Bing engine, or type "bd mountain" to swiftly transition to the Baidu engine for searching "mountain", all without navigating away from your current page. - -

About

Delta Calc

Quickly calculate percent changes, discounts, and financial gains without complex math. Solve for any of the three values in the percent change formula with an intuitive interface and fun animations.

Highlights
  • Calculate percent changes
  • Solve for any variable in the formula
  • Customizable decimal places
  • Haptic feedback
  • Fun animations
  • Adjustable keyboard buttons
Features
Read full description

A fast, easy, and fun-to-use percent change calculator. Now you can quickly calculate discounts, financial gains, and percent changes without having to use Excel, Google, or do the long math. Delta Calc can solve for any of the three values within the percent change formula. It solves for the a, b, or c value in the percent change formula ((b - a) / a) * 100 = c. Other features include: - Haptic feedback (can be disabled if desired) - Change the number of decimal places displayed in the result (from 0 to 10) - Fun animation when tapping the swap button (warning: could become addictive) - Delightful to tap number pad buttons - Enable and disable keyboard buttons Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://deltacalc.app/privacy Support: https://deltacalc.app/support

Screenshots

Multi Search Engine2 screens
Delta Calc3 screens

Verdict

The call

The clearest difference is in-app purchases: Multi Search Engine at none against Delta Calc's 3. Multi Search Engine also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.6). Delta Calc's advantage is update cadence (every 3 days vs every 7 months). On price, rating, ratings volume and ads 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

Multi Search Engine costs $0.99 and Delta Calc $0.99 up front. Delta Calc sells 3 in-app purchases, starting at $0.99 per month. Multi Search Engine asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Multi Search Engine against 5.0 for Delta Calc. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Multi Search Engine ships an update every 7 months, Delta Calc every 3 days. The most recent releases landed on September 19, 2026 and June 1, 2026 respectively.

Scorecard4 real differences · 5 level
Multi Search Engine versus Delta Calc: the parameters behind the verdict, then further details
ParameterMulti Search EngineDelta Calc
Price$0.99$0.99
Rating5.0 (1 ratings)5.0 (2 ratings)
Number of ratings12 — better
Update frequencyEvery 7 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidPaid
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size2 MB2 MB
Age rating4+4+
Developer伟胜 林Stephen Coffey

Customer experience

Multi Search Engine

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Delta Calc

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Multi Search Engine

No in-app purchases

3 purchases

Delta Calc

Subscriptions2
  • Delta Calc Monthly$0.991 Month
  • Delta Calc Yearly$4.991 Year
One-time1
  • Delta Calc Lifetime$9.99

Questions

Is Multi Search Engine free?
Multi Search Engine costs $0.99, with no in-app purchases.
Is Delta Calc free?
Delta Calc costs $0.99, and also offers in-app purchases.
Which has better reviews, Multi Search Engine or Delta Calc?
Multi Search Engine and Delta Calc are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Multi Search Engine or Delta Calc have ads?
Neither Multi Search Engine nor Delta Calc shows ads.
Which is updated more often, Multi Search Engine or Delta Calc?
Multi Search Engine ships an update every 7 months, and Delta Calc every 3 days. Most recently, Multi Search Engine was updated on September 19, 2026 and Delta Calc on June 1, 2026.

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