Unit Converter vs Photo Saving Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter
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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
Photo Saving Assistant
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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
Verdict
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
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.
| Parameter | Unit Converter | Photo Saving Assistant |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 29 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | 伟鹏 李 | 恒光 陈 |
In-app purchases
Unit Converter
- Unlock Premium Membership$0.99
Photo Saving Assistant
- Monthly Payment$4.991 Month
- Yearly Pay$6.991 Year
- Lifetime membership$12.99
Questions
Is Unit Converter free?
Is Photo Saving Assistant free?
Do Unit Converter or Photo Saving Assistant have ads?
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