Pre vs Cost Calculator.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pre
Calculate file sizes for pre-press documents based on original dimensions and scanning resolution. Supports line copy, grayscale, RGB, and CMYK scanning modes.
- File size calculation
- Original size input
- Scanning resolution input
- Line copy mode
- Grayscale mode
- RGB mode
- CMYK mode
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This app calculates file sizes according to an original's size and the scanning resolution used. File sizes are calculated for the line copy, gray scale, RGB and CMYK scanning modes.
Cost Calculator.
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Detailed high level estimate for your mobile app requirements. Do you want to build a mobile app, and wish to get a detailed quotation before sharing your actual legal documents, then you are at the right place. Just download the Redbytes CostCalculator app and answer few questions to get a detailed high level estimate of you application.
Screenshots
Verdict
The clearest difference is price: Cost Calculator. at Free against Pre's $0.99. Cost Calculator. also leads on update cadence (every 2 months vs every 38 months) and iOS requirement (12.4 vs 15.6). On 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
Cost Calculator. is free to download; Pre costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Pre ships an update every 38 months, Cost Calculator. every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Pre | Cost Calculator. |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 38 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 12.4 — better |
| Further details — not scored | ||
| Size | 1 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Manfred Breede | Redbytes Software Pvt Ltd |
In-app purchases
Pre
No in-app purchases
Cost Calculator.
No in-app purchases
