BIG Reader vs BenchKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BIG Reader
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BIG Reader helps you read and understand any printed document — letters, bills, medicine labels, forms, and more. Made for seniors and anyone who finds small print hard to read. Point your camera at a page. BIG Reader captures it, turns it into crisp, HUGE text, and scrolls it gently at your own pace. No more squinting, no more guessing. MADE FOR COMFORT • Huge, clear text with adjustable size and line spacing • Gentle auto-scroll reading at the speed you choose • Light and dark reading themes • One big SCAN button — no confusing menus MAKE IT SIMPLE (AI) • One tap turns a confusing document into a short, plain-English summary • Key facts, amounts, dates, and phone numbers are kept exactly as written • Entirely optional — the original text is always the default YOUR LIBRARY • Every scan is saved on your device • Search, rename, and reopen documents any time • Private by design: your documents are stored only on your phone PREMIUM • Try BIG Reader with 20 free scans • Go unlimited with Premium: $4.99/month or $29.99/year • Payment is charged to your Apple account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel any time in your App Store settings. Privacy policy: https://big-reader-backend.rork.app/privacy Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ If a document matters, you deserve to understand it. BIG Reader makes that easy.
BenchKit
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BenchKit puts four everyday electronics calculations in one focused, offline iPhone app. RESISTOR CODES Decode 3, 4, 5, and 6-band axial resistors by tapping the bands on a drawn resistor, or SMD codes (3-digit, 4-digit, EIA-96, R notation). See the tolerance range, IEC marking code, and standard E-series match, with a warning when a reading is probably reversed. PCB TRACE WIDTH Estimate minimum internal or external copper trace width from current, copper weight, and allowed temperature rise, in millimeters and mils, or the current a given width can carry. Results outside the IPC-2221 chart range are flagged as extrapolations. VOLTAGE DROP Voltage drop, voltage at the load, power lost in the wiring, and the share of supply that reaches the load. Enter the round-trip resistance, or wire gauge (AWG or mm²), length, and conductor temperature. VOLTAGE DIVIDER Ideal unloaded output voltage, divider current, per-resistor dissipation, output resistance, and what an optional load does to the output. Or enter a target voltage and get the closest E24/E96 resistor pairs with their worst-case output. Type values the way engineers write them: 4k7, 2R2, 100m, 3V3; the keyboard has keys for the letters. No account. No ads. No analytics. No network connection. English, Simplified Chinese, and Japanese. BenchKit is a quick estimation tool. Always verify production designs against component datasheets, applicable standards, simulation, and physical validation.
Screenshots
Verdict
The clearest difference is in-app purchases: BenchKit at none against BIG Reader's 2. On price, ads, device support and iOS requirement 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. BIG Reader sells 2 in-app purchases, starting at $4.99 per month. BenchKit asks for nothing beyond the download.
| Parameter | BIG Reader | BenchKit |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 8 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | RICARDO DAVID CURTIS | 明 齐 |
In-app purchases
BIG Reader
- Premium Monthly$4.991 Month
- Premium Yearly$29.991 Year
BenchKit
No in-app purchases









