Flash PDF vs ToolNest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flash PDF
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Flash PDF can easily convert photos into PDF documents, and can also easily convert images to PDF, merge PDF, and split PDF. With these powerful features, your PDF processing will become easier and more efficient than ever before. Flash PDF has powerful features: 1. Photo to PDF. Use the camera of your smartphone to take pictures of documents or notes and instantly convert them to clear PDF files. 2. Images to PDF. Supports fast conversion of images in multiple formats (such as JPEG, PNG, etc.) to PDF files. 3. Merge PDF. Merge multiple PDF files into a PDF file that is easy to manage and view. 4. Split PDF. With just a few steps, you can split a large PDF file into multiple pages or multiple small PDF files. The simple and intuitive interface design, combined with the efficient and smooth operation experience, allows users to master all functions in seconds. Download Flash PDF now to make your PDF processing more efficient. Privacy Policy:https://flashpdfai.com/publish/Notice.pdf
ToolNest
A privacy-focused utility suite offering encryption, password generation, data conversions, and time tools. It provides developers and security professionals with powerful cryptographic functions and everyday utilities in an intuitive, offline-capable interface with no advertisements.
- Hash generation and verification
- End-to-end encrypted messaging
- Strong password generation
- TOTP two-factor authentication code generation
- Multiple data converters (Base64, URL, HTML, number systems)
- JSON/CSV formatting and validation
- Timestamp and date calculations
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ToolNest brings text, security and conversion utilities into one app, with no account or subscription required. HASH AND ENCRYPT TEXT Generate and compare hashes, use HMAC options, and encrypt or decrypt text locally with Crypt Text. Copy results to use elsewhere. Crypt Text does not provide a chat service or deliver messages. PASSWORDS AND AUTHENTICATOR CODES Generate passwords with configurable character options. Generate time-based one-time passwords from a secret you supply and inspect the available code details. CONVERT AND FORMAT Work with Base64, URLs, HTML entities, number bases, colors and measurements. Format JSON, work with CSV and strings, and test regular expressions. DATES AND TIMES Convert timestamps, calculate date differences and work with world clocks and time zones. These tools process input on your device. Protect your encryption keys, passwords and authenticator secrets, and check output before relying on it for important work. Terms of Use: https://toolnestapp.com/terms Privacy Policy: https://toolnestapp.com/privacy-policy
Screenshots
Verdict
The clearest difference is ads: ToolNest at none against Flash PDF's shown. Flash PDF's advantage is update cadence (fortnightly vs every 18 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Flash PDF ships an update fortnightly, ToolNest every 18 months. The most recent releases landed on October 4, 2026 and September 23, 2026 respectively.
| Parameter | Flash PDF | ToolNest |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Every 18 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 29 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | VISION NETWORK TECHNOLOGY CO.,LIMITED | Arla Services |
In-app purchases
Flash PDF
No in-app purchases
ToolNest
No in-app purchases
