SyracuseX3+1 vs RODtv
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SyracuseX3+1
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Two features in this app.ย First: The Syracuse problem or also called the Collatz conjecture is one of the most famous unsolved problems in mathematics. The conjecture asks whether repeating two simple arithmetic operations will eventually transform every positive integer into 1. Play with integers and check the result. See how small changes gives huge values but still eventually ends up down to 1. Find the number of calculations needed and the biggest value reached doing so. Second: Find the roots in a quadratic equation.
RODtv
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RODTV is the ultimate platform for history buffs and curious minds alike. With an extensive library of over 1,200 programs and series, RODTV along with our channel partners, presents an array of captivating subject matters. From Rock Legends, Biographies and Live Concerts, to Sports, Aviation, Military and War, along with the most significant moments from the 20th and 21st centuries. Witness history being brought to life like never before. The platform invites you to delve deeper into the annals of human history, explore the triumphs and tragedies of our past in thrilling detail and discover the pivotal moments that shaped our world. Embark upon a journey through the rich tapestry of human history with RODTV. Terms and Conditions: https://rodtv.co.uk/page/terms-and-conditions Privacy Policy : https://rodtv.co.uk/page/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: SyracuseX3+1 at none against RODtv's 4. RODtv's advantage is update cadence (every 2 months vs every 39 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. RODtv sells 4 in-app purchases, starting at $3.99 per month. SyracuseX3+1 asks for nothing beyond the download.
SyracuseX3+1 ships an update every 39 months, RODtv every 2 months. Both last shipped on November 7, 2026.
| Parameter | SyracuseX3+1 | RODtv |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 39 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 0 MB | 22 MB |
| Age rating | 4+ | 12+ |
| Developer | domesticusdevelop | RODtv |
In-app purchases
SyracuseX3+1
No in-app purchases
RODtv
- Monthly_Subscription$3.991 Month
- RODTV Monthly Subscription$5.991 Month
- yearly subscription$39.991 Year
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- RODTV Yearly Subscription$59.991 Year









