DaCalculator vs PicZip
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DaCalculator
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DaCalc is an all-in-one iPhone calculator designed for speed, clarity, and comfort. Use it for daily calculations, scientific operations, area conversion, and practical unit conversion in one clean experience. Features: Standard calculator for fast everyday math Scientific mode for advanced calculations Unit conversion including volume, weight, length, and temperature Area conversion with localized units (for example, tsubo and pyeong) Quick history for reusing previous results Multiple visual skins, including a Liquid Glass-inspired style Portrait-first interface optimized for one-handed use DaCalc helps you finish calculations quickly without clutter, confusion, or unnecessary steps.
PicZip
Easily reduce the file size of your photos to save storage space and prepare them for sharing or uploading. You can set a target file size or manually resize images to specific dimensions. Batch compress multiple images with consistent settings.
- Batch image compression
- Target file size setting (KB/MB)
- Manual image resizing (width/height)
- Supports JPG, PNG, HEIF
- Save space and prepare for upload
- Review original vs. compressed size
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PicZip is a simple, efficient image compression tool that helps you reduce photo file sizes, save storage space, and prepare images for uploading and sharing. Choose a target file size Set your target in KB or MB, or start with the default settings. Apply the same configuration to a single image or an entire batch. Resize when you need to Manual resizing is off by default. Enable it to set a custom width and height and give a group of images consistent pixel dimensions. Select one or more images and compress them with the same settings. Review the original and compressed sizes and the space saved, then save the processed images to Photos in one batch. Useful for organizing photos, preparing images for upload, adjusting ID photo file sizes, and reducing the size of pictures you share. Supports common image formats including JPG, PNG, and HEIF. Output size, format, and image quality depend on the original image and your settings.
Screenshots
Verdict
The clearest difference is ads: PicZip at none against DaCalculator's shown. PicZip also leads on device support (4 vs 1) and iOS requirement (15.6 vs 26.0). DaCalculator's advantage is update cadence (daily vs monthly). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
DaCalculator ships an update daily, PicZip monthly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | DaCalculator | PicZip |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Daily — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 26.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 5 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | JayApp | 利龙 张 |
In-app purchases
DaCalculator
No in-app purchases
PicZip
No in-app purchases









