Random Sound Recorder vs HFpager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Random Sound Recorder
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‘Random Sound Recorder’ serves as a satellite application to ‘Acaan Trainer’, ‘Stack Trainer’, ‘Twice as Hard Trainer’, ‘Serial Sum Trainer’, and ‘Random Input’ which represent the single most unified set of technical learning tools for close-up magicians. These apps are available by this developer. ‘Random Sound Recorder’ allows to record sound files in caf-format (Apple Core Audio Format, caf) according to the four suits, the ace, the three court cards and values from 2 to 9. Also all numbers can be recorded to allow for the 52 positions in a deck. The created caf-files serve as sound files for the above mentioned apps. Once recorded, the sound files can be moved to their final destination in the other apps' documents folder.
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/
Screenshots
Verdict
The clearest difference is in-app purchases: Random Sound Recorder at none against HFpager's 1. Random Sound Recorder also leads on ads (none vs shown). HFpager's advantage is update cadence (every 3 months vs every 9 months). On price, 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. HFpager sells 1 in-app purchase, starting at $9.99 per year. Random Sound Recorder asks for nothing beyond the download.
Random Sound Recorder ships an update every 9 months, HFpager every 3 months. The most recent releases landed on June 6, 2026 and June 4, 2026 respectively.
| Parameter | Random Sound Recorder | HFpager |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | — | 71.4% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.4 |
| Further details — not scored | ||
| Size | 0 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Ralph Cos | Dmitry Likhtarov |
In-app purchases
Random Sound Recorder
No in-app purchases
HFpager
- Подписка 12 месяцев7 Days trial$9.991 Year
