Comparison

Unit Converter vs Photo Saving Assistant

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

Head to head
About

Unit Converter

Read full description

This is an efficient tool app that integrates a professional calculator with multi-unit conversion functionality. Supports complex expression calculations and multiple categories of physical unit conversions, meeting various calculation needs in study, work, and daily life. 【Core Feature Highlights】 Powerful Expression Calculation Engine ■ Supports complex mathematical operations (e.g., 2.5 × 3.8 + 1.2 ÷ 0.4) ■ Scientific notation display ■ Real-time calculation result preview ■ Customizable decimal precision Comprehensive Unit Conversion Support ■ Length, Mass, Time, Current, Temperature, Acceleration, Area, Charge, Force, Frequency, Plane Angle, Solid Angle, Speed, Volume User-Friendly Experience ■ Save frequently used unit pairs for quick access ■ Switch freely between dark and light themes ■ Simple and intuitive interface Smart Conversion Experience ■ One-tap unit swap function ■ Copy calculation results and full formulas

About

Photo Saving Assistant

Features
Read full description

Import photos to your album with one click: 1. Supports batch import of photos, including photos and videos in multiple formats. 2. Preserves metadata, photo names, and photo dates, or allows you to write the creation date. 3. Handles large files with real-time progress bar monitoring. 4. Preserves folder structure; the original folder and album relationships are maintained after import. 5. Supports flexible animations, optimized interaction design, and Dark Mode.

Screenshots

Unit Converter4 screens
Photo Saving Assistant3 screens

Verdict

The call

The clearest difference is iOS requirement: Unit Converter at 12.0 against Photo Saving Assistant's 18.2. On price, ads, in-app purchases 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. Unit Converter sells 1 one-off in-app purchase and Photo Saving Assistant sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 5 level
Unit Converter versus Photo Saving Assistant: the parameters behind the verdict, then further details
ParameterUnit ConverterPhoto Saving Assistant
PriceFreeFree
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.2
Further details — not scored
Size29 MB11 MB
Age rating4+4+
Developer伟鹏 李恒光 陈

In-app purchases

1 purchases

Unit Converter

One-time1
  • Unlock Premium Membership$0.99
3 purchases

Photo Saving Assistant

Subscriptions2
  • Monthly Payment$4.991 Month
  • Yearly Pay$6.991 Year
One-time1
  • Lifetime membership$12.99

Questions

Is Unit Converter free?
Unit Converter is free to download, with in-app purchases available.
Is Photo Saving Assistant free?
Photo Saving Assistant is free to download, with in-app purchases available.
Do Unit Converter or Photo Saving Assistant have ads?
Neither Unit Converter nor Photo Saving Assistant shows ads.

Other comparisons