Comparison

SyracuseX3+1 vs RODtv

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

SyracuseX3+1

Features
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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.

About

RODtv

Features
Read full description

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

SyracuseX3+12 screens
RODtv4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

SyracuseX3+1 ships an update every 39 months, RODtv every 2 months. Both last shipped on November 7, 2026.

Scorecard2 real differences ยท 4 level
SyracuseX3+1 versus RODtv: the parameters behind the verdict, then further details
ParameterSyracuseX3+1RODtv
PriceFreeFree
Update frequencyEvery 39 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 โ€” better16.0
Further details โ€” not scored
Size0 MB22 MB
Age rating4+12+
DeveloperdomesticusdevelopRODtv

In-app purchases

None

SyracuseX3+1

No in-app purchases

4 purchases

RODtv

Subscriptions4
  • Monthly_Subscription$3.991 Month
  • RODTV Monthly Subscription$5.991 Month
  • yearly subscription$39.991 Year
Show 1 more
  • RODTV Yearly Subscription$59.991 Year

Questions

Is SyracuseX3+1 free?
SyracuseX3+1 is free to download, with no in-app purchases.
Is RODtv free?
RODtv is free to download, with in-app purchases available.
Do SyracuseX3+1 or RODtv have ads?
Neither SyracuseX3+1 nor RODtv shows ads.
Which is updated more often, SyracuseX3+1 or RODtv?
SyracuseX3+1 ships an update every 39 months, and RODtv every 2 months. Most recently, SyracuseX3+1 was updated on November 7, 2026 and RODtv on November 7, 2026.

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