Calculator vs SSI Mobile Production
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
This is a straightforward calculator application designed for ease of use and clear readability. Users can personalize the app's appearance by choosing their preferred background and display themes.
- Easy to use interface
- Clear display
- Customizable background
- Customizable display themes
Read full descriptionHide full description
Calculator-- is a simple calculator that is easy to use and read. Select the desired background and display. If you like this app, please consider giving it a rating. Your support will help keep the updates coming! Thank you for your support!
SSI Mobile Production
Read full descriptionHide full description
English (U.S.)
Screenshots
Verdict
The clearest difference is ads: SSI Mobile Production at none against Calculator's shown. SSI Mobile Production also leads on update cadence (every 3 weeks vs every 13 months) and iOS requirement (11.0 vs 15.0). On price, in-app purchases and device support 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.
Calculator ships an update every 13 months, SSI Mobile Production every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Calculator | SSI Mobile Production |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (916 ratings) — better | — |
| Positive reviews | 79.8% of reviews | — |
| Number of ratings | 916 — better | — |
| Update frequency | Every 13 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Horizon Business, Inc. | SystemSource |
Bugs and requests
Calculator
Reported bugs
2 issues- Sound toggle switch doesn't work to turn off sounds
- App crashes or freezes on some devices
Requested features
3 requests- Add percentage and other advanced math functions
- Allow landscape mode
- Add option to turn off button sounds
SSI Mobile Production
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator
No in-app purchases
SSI Mobile Production
No in-app purchases
Questions
Is Calculator free?
Is SSI Mobile Production free?
Do Calculator or SSI Mobile Production have ads?
Which is updated more often, Calculator or SSI Mobile Production?
Other comparisons
