Mammoth by StorAxxS vs Prison Engine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mammoth by StorAxxS
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Mammoth by StorAxxS is an access control system removing the need to keep track of your keys or keycards for your storage units with a single easy-to-use system. Gain access to your storage with unparalleled confidence.
Prison Engine
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Prison Engine is your solution to expensive inmate calls. Our service provides local landline numbers near prisons, allowing inmates to call you at reduced rates. Simply install the app, create an account, and start receiving calls directly on your mobile device. Stay connected with your loved ones without breaking the bank. Download Prison Engine today and experience affordable communication.
Screenshots
Verdict
The clearest difference is iOS requirement: Prison Engine at 12.4 against Mammoth by StorAxxS's 14.0. On price, ads, 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.
| Parameter | Mammoth by StorAxxS | Prison Engine |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 12.4 — better |
| Further details — not scored | ||
| Size | 11 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Smarte Pty Ltd | Prison Engine |
In-app purchases
Mammoth by StorAxxS
No in-app purchases
Prison Engine
No in-app purchases
Questions
Is Mammoth by StorAxxS free?
Is Prison Engine free?
Do Mammoth by StorAxxS or Prison Engine have ads?
Other comparisons
