LocalToolbox vs YiKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LocalToolbox
A privacy-focused utility app offering over 160 offline tools for daily tasks, work, and study. It provides a comprehensive suite of calculators, converters, text utilities, and specialized professional tools, all functioning locally without internet access or data collection.
- 165+ offline utility tools
- Privacy-first, no data collection
- Measurement, time, and date tools
- Text utilities and developer tools
- Finance and engineering calculators
- Local record and workplace tools
- Fun and everyday helper tools
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Local Toolbox is a privacy-first, fully offline utility app that now includes 193 practical tools for daily life, work, local records, study, image tasks, and professional use. It brings measurement tools, timers, date and unit converters, text utilities, developer tools, finance and record tools, field and workplace helpers, image tools, and fun utilities into one app. Many small tools that would normally require separate downloads are already here and ready to use. Everything runs locally on your device. No login, no internet required, no cloud sync, no content upload, and no ads, subscriptions, or in-app purchases getting in the way. It is built for people who want practical tools without privacy trade-offs. V2.2 adds six privacy tools: a local authenticator (TOTP), text redaction, photo metadata viewing and one-tap stripping, screenshot redaction, link tracking cleanup, and a privacy checkup checklist. All of them run on device, so authenticator secrets, the text you redact, and the photos you process never leave it. Key features include: Measurement, timer, date, and unit conversion tools Text utilities, JSON, regex, UUID/ULID, JWT, URL parsing, Text Find and Replace, and Voice to Text Everyday helpers like bill split, unit price compare, work hours, time zone conversion, a general Date Calculator, and Exam Countdown Finance and record tools such as compound growth, fixed deposit, recurring investment, goal planning, mortgage comparison, Simple Ledger, savings records, gift records, and local logs for borrowing, inventory, warranty, recurring payments, receipts, and medication Image tools such as four standalone image tools, favorite colors, and custom color cards Privacy tools such as a local authenticator, text redaction, photo metadata stripping, screenshot redaction, link tracking cleanup, and a privacy checkup checklist Professional tools for engineering, workplace, logistics, renovation, and field use Fun tools like Lucky Spinner, coin toss, reaction speed, color guess, a Yes / No Decider, Paid Slacking Tracker, and more Supports Simplified Chinese, Traditional Chinese, English, Japanese, Korean, Spanish, Brazilian Portuguese, German, and French. Feature requests and improvement ideas are welcome. All feedback is reviewed regularly and helps guide future updates: Email: 842797413@qq.com Or leave thoughts in an App Store review
YiKey
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YiKey is a Traditional Chinese Zhuyin keyboard built for people who switch between Chinese and English all day. Type in Zhuyin with fast local candidates, translate the text around your cursor, and use Voice Pad to dictate a sentence before sending it back to the keyboard. Key features: - Traditional Chinese Zhuyin input with phrase candidates - Chinese to English and English to Traditional Chinese translation suggestions - Voice Pad for speech-to-text handoff - Translation replacement flow for newly dictated or typed text - Privacy-aware release build that sends translation requests through a configured proxy and does not store a DeepL API key in the app Online translation requires enabling Allow Full Access for the keyboard so iOS permits network requests. You can still use the keyboard without online translation when Full Access is disabled.
Screenshots
Verdict
The clearest difference is price: YiKey at Free against LocalToolbox's $2.99. YiKey also leads on update cadence (every 3 days vs every 3 weeks). On ads, in-app purchases, 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
YiKey is free to download; LocalToolbox costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LocalToolbox ships an update every 3 weeks, YiKey every 3 days. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.
| Parameter | LocalToolbox | YiKey |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.8 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | 鹏 杨 | Chiunluen Meng cao |
In-app purchases
LocalToolbox
No in-app purchases
YiKey
No in-app purchases









