Comparison

Finder vs Duovigintuple Calc

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

Head to head
About

Finder

Explore the digital world using visual search. Upload photos from your device or via URL to find similar images across multiple search engines. Features include image editing and search history.

Highlights
  • Multi-engine image search
  • Search from camera or library
  • Search by URL
  • Search by words
  • Image cropping and rotation
  • Search history
Features
Read full description

Discover the power of visual search with the innovative Finder - Reverse Image Search app for iOS. This app allows you to dive deep into the digital world by utilising the power of the leading search engines - Google Image Search (Google Lens), Yandex, TinEye and Bing Image Search. FEATURES: - All search engines in one app. - Directly search for photos from your device's camera, photo library, clipboard and files. - Search images by URL. - Use words to search for photos. - Previous image searches. - Using a web browser to save photos to your devices. - Rotating and cropping images. In-app purchases: You can become a premium user by auto-renewing your subscription. - Payment will be deducted from your iTunes account when you confirm your purchase. - Subscription will automatically renew unless auto-renew is turned off at least 24 hours before the expiry date. - Subscription length: one week, one month, one year. - If you renew your subscription within 24 hours before the end of the current period, your account will be charged the amount corresponding to the renewal price. - Subscription cost: one week - $2.99, one month - $5.99, one year - $9.99. - Subscriptions can be managed by the user, and auto-renewal can be disabled by going to User Account Settings after purchase. - Cancellation of the current subscription during the active subscription period is not allowed This application uses Google, Bing, Yandex in the web browser application. However, the app is not supported or associated with any of these search engines. Privacy policy: https://webrain.ltd/uv/privacy-policy.html Terms of service: https://webrain.ltd/uv/terms-conditions.html

About

Duovigintuple Calc

Features
Read full description

Display 22 calculators and perform calculations with each one.

Screenshots

Finder3 screens
Duovigintuple Calc1 screens

Verdict

The call

The clearest difference is in-app purchases: Duovigintuple Calc at none against Finder's 7. Duovigintuple Calc also leads on update cadence (every 2 weeks vs every 15 months). Finder's advantage is iOS requirement (13.0 vs 15.8.3). On price, ads 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

Both are free to download. Finder sells 7 in-app purchases, starting at $2.99 per 7 days. Duovigintuple Calc asks for nothing beyond the download.

UpkeepUpdate frequency

Finder ships an update every 15 months, Duovigintuple Calc every 2 weeks. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Finder versus Duovigintuple Calc: the parameters behind the verdict, then further details
ParameterFinderDuovigintuple Calc
PriceFreeFree
Rating4.2 (235 ratings) — better—
Positive reviews20.0% of reviews—
Number of ratings235 — better—
Update frequencyEvery 15 monthsEvery 2 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.8.3
Further details — not scored
Size34 MB36 MB
Age rating17+4+
DeveloperWeBrainHideaki Uchikoshi

In-app purchases

7 purchases

Finder

Subscriptions7
  • Image Search3 Days trial$2.997 Days
  • Reverse Image Search$2.997 Days
  • Photo Search3 Days trial$5.991 Month
Show 4 more
  • Search by Image$5.991 Month
  • Image Search$7.991 Year
  • Google Lens for Iphone3 Days trial$9.991 Year
  • Google Photo Search$15.991 Year
None

Duovigintuple Calc

No in-app purchases

Questions

Is Finder free?
Finder is free to download, with in-app purchases available.
Is Duovigintuple Calc free?
Duovigintuple Calc is free to download, with no in-app purchases.
Do Finder or Duovigintuple Calc have ads?
Both Finder and Duovigintuple Calc show ads.
Which is updated more often, Finder or Duovigintuple Calc?
Finder ships an update every 15 months, and Duovigintuple Calc every 2 weeks. Most recently, Finder was updated on September 22, 2026 and Duovigintuple Calc on September 9, 2026.

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