Just A Player vs UniSpeed Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Just A Player
This application functions as a dedicated MP3 player, allowing users to control playback speed and set specific playback ranges. It includes a smart repeat feature for easily looping sections of audio, making it ideal for repetitive learning tasks.
- MP3 playback
- Adjustable playback speed
- Set playback range
- Smart repeat function
- Loop audio sections
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This is a pure MP3 player. You can set the playback speed and playback range. Easily loop a section of audio. It is a good helper for repeated learning audio. We have a smart repeat function, only need a button, you can easily repeat part of the content in the audio.
UniSpeed Calc
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UniSpeed Calc is an all-in-one calculator built for speed and everyday use. FEATURES • Basic Calculator — everyday arithmetic • Scientific Calculator — advanced functions with DEG/RAD • Unit Converter — length, mass, temperature, speed, and more • Financial Tools — mortgage, income tax, and compound interest • Date Calculator — difference, offset, workdays, and age • Programmer Calculator — bases and bit operations • Currency Converter — live FX rates with offline cache/fallback • History — review, favorite, and search • Settings — theme, language, decimals, haptics, and more
Screenshots
Verdict
The clearest difference is update cadence: UniSpeed Calc at every 3 days against Just A Player's every 14 months. Just A Player's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, ads and in-app purchases 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.
Just A Player ships an update every 14 months, UniSpeed Calc every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Just A Player | UniSpeed Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 14 months | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 28 MB | 38 MB |
| Age rating | 17+ | 4+ |
| Developer | 薛琦 高 | Shenzhen Camuning Technology Co., LTD |
In-app purchases
Just A Player
No in-app purchases
UniSpeed Calc
No in-app purchases
