HFpager vs Grafin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HFpager
This utility app enables the exchange of short text messages through audio and radio channels using IFSK modulation. It offers basic reception and transmission functions for free, with a subscription unlocking all features and removing ads.
- IFSK modulation for audio messaging
- Send and receive short text messages
- Utilizes audio and radio channels
- Basic functions free
- Subscription removes restrictions and ads
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The program is designed to generate and receive an audio signal using IFSK (Incremental Frequency Shift Keying) modulation. Used to exchange short text messages via any audio and / or radio channel. For a detailed description, see the project website https://nvis.club/hfproxys/hfpager/hf-pager Basic functions work without a subscription: reception / transmission. With a subscription, all restrictions are removed and there is no advertising. Privacy Policy and User Agreement: https://ildd.ru/bi/hfpager/hfpager_politica/
Grafin
This app offers a simple way to encrypt and decrypt text messages and notes locally on your device. It generates unique keys for secure communication and experimentation with coding, all while working offline and without data collection.
- Text encryption
- Offline functionality
- Local data processing
- Unique key generation
- Secure messaging
- Coding experimentation
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Grafin is a simple, privacy-focused app for encrypting text. Turn any message or note into encrypted text in seconds. To decrypt it, the recipient needs the correct key — a key that stays in your hands. Everything happens locally on your device. Grafin works fully offline, collects no data, and never sends your text or encryption keys anywhere. Use it to protect private notes, exchange encrypted messages while sharing the key through a separate channel, or just explore a simple way to encode and decode text.
Screenshots
Verdict
The clearest difference is rating: Grafin at 5.0 against HFpager's 3.0. Grafin also leads on in-app purchases (none vs 1) and ads (none vs shown). HFpager's advantage is iOS requirement (12.4 vs 16.6). On price, ratings volume 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
Both are free to download. HFpager sells 1 in-app purchase, starting at $9.99 per year. Grafin asks for nothing beyond the download.
Grafin holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
HFpager ships an update every 3 months, Grafin monthly. The most recent releases landed on June 4, 2026 and September 8, 2026 respectively.
| Parameter | HFpager | Grafin |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 3 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.4 — better | 16.6 |
| Further details — not scored | ||
| Size | 26 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmitry Likhtarov | Gleb Ragalevich |
Customer experience
HFpager
Grafin
In-app purchases
HFpager
- Подписка 12 месяцев7 Days trial$9.991 Year
Grafin
No in-app purchases
