SousyoPelmanism byNSDev vs Wormhole Calc
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
SousyoPelmanism byNSDev
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This apps have 16 levels. One level have 30 pelmanisms. One pelmanism have 12 cards. *Function Sound On/OFF If you have any request, let me know.
Wormhole Calc
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The rules are simple. Fill in the blanks with numbers from 0 to 9 so that multiplication and division can be completed. * However, 0 is not entered in the leftmost cell. Questions are generated each time by the app program. The positions of the holes are determined at random. The last 50 questions created are automatically saved, and you can select and play them again later. Equipped with a memo function, undo and redo, and a lock function for entered numbers, making it easier to organize ideas. Please try once.
Screenshots
Verdict
The clearest difference is ads: SousyoPelmanism byNSDev at none against Wormhole Calc's shown. SousyoPelmanism byNSDev also leads on device support (3 vs 1). Wormhole Calc's advantage is update cadence (every 5 months vs every 39 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
SousyoPelmanism byNSDev ships an update every 39 months, Wormhole Calc every 5 months. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.
| Parameter | SousyoPelmanism byNSDev | Wormhole Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 39 months | Every 5 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 15 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | NIHON SYSTEM DEVELOPER CORPORATION | Satoshi Horiguchi |
In-app purchases
SousyoPelmanism byNSDev
No in-app purchases
Wormhole Calc
No in-app purchases
Questions
Is SousyoPelmanism byNSDev free?
Is Wormhole Calc free?
Do SousyoPelmanism byNSDev or Wormhole Calc have ads?
Which is updated more often, SousyoPelmanism byNSDev or Wormhole Calc?
Other comparisons
