Collatz Explorer vs MyCISA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Collatz Explorer
Explore mathematical sequences with this app. It calculates the standard Collatz sequence for any number you enter and can also display sequences from an alternative 3x-1 function.
- Calculate Collatz sequences
- Calculate 3x-1 function sequences
- Input any number
- Visualize sequences
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A fun app that is capable of showing you any collatz sequence for a number that you input. Also capable of showing you any sequence from an alternate 3x-1 function for any number you input.
MyCISA
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MyCISA is the official app for parents of Cedars International School of Angola (CISA), operated by Edunology. Everything from school, in one place: • Announcements — school news and important notices, the moment they are published • Notifications — warnings, nurse visits and updates about your children, with instant alerts • Timetable — your child's live daily schedule, with the current class highlighted • School Rules — the full CISA Parents/Students Handbook, always up to date • Student cards — your children's class, homeroom and student ID at a glance MyCISA is for enrolled CISA families only. Sign in with the Microsoft account provided by the school. Push notifications keep you informed the moment the school sends something. Powered by Edunology.
Screenshots
Verdict
The clearest difference is update cadence: MyCISA at weekly against Collatz Explorer's monthly. MyCISA also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.6). 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.
Collatz Explorer ships an update monthly, MyCISA weekly. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | Collatz Explorer | MyCISA |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (7 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 1 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Berk Sucu | Edunology |
In-app purchases
Collatz Explorer
No in-app purchases
MyCISA
No in-app purchases
Questions
Is Collatz Explorer free?
Is MyCISA free?
Do Collatz Explorer or MyCISA have ads?
Which is updated more often, Collatz Explorer or MyCISA?
Other comparisons
