Prison Voicemail vs Water Network
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prison Voicemail
This app facilitates communication between individuals with incarcerated loved ones. It allows users to send voicemails anytime and receive calls directly to their app, helping to maintain connections and reduce phone credit costs for prisoners. The service is approved by the UK Prison Service.
- Send voicemails anytime
- Receive calls from prisoners
- Track voicemail delivery
- Listen to voicemails and replies
- Mark voicemails as favorites
- Add descriptions to voicemails
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We make it easier for loved ones with a family member in prison to stay in-touch through the exchange of regular voicemails. Leave voicemails at any time. Communication is better when it goes both ways. We help you feel closer to your prisoner by enabling you to leave them voice messages whenever you want. Live calls enable calls to your app from a Prisoner, saving them phone credit. Fully approved by UK Prison Service. • Check to see when your voicemails have been received • Listen again to voicemails and replies • Mark voicemails as favourites and add descriptions to them. • Leave new voicemails straight from the app. • Get hints and tips about the service, and easily contact us. An internet connection is required to access most features.
Water Network
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TheWaterNetwork.com is the world’s largest open knowledge-sharing platform and professional community for water sector experts, companies, and individuals. The app is open to the general public and allows anyone to discover content, connect with professionals, and participate in discussions related to the global water industry. In addition, the platform offers optional SaaS-based digital workspaces that any user or organization can create and manage through a self-service registration process. These workspaces support collaboration, messaging, and content management and are available to all users without invitation or pre-approval. With over 14 years of experience, The Water Network provides scalable, cloud-based collaboration and knowledge-sharing tools for the global water community. Contact: contact@thewaternetwork.com
Screenshots
Verdict
The clearest difference is iOS requirement: Prison Voicemail at 12.0 against Water Network's 16.0. On price, update cadence, 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.
Prison Voicemail ships an update monthly, Water Network every 2 weeks. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.
| Parameter | Prison Voicemail | Water Network |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (5 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 30 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | PHONEHUB IO LTD | AquaSPE AG |
In-app purchases
Prison Voicemail
No in-app purchases
Water Network
No in-app purchases
Questions
Is Prison Voicemail free?
Is Water Network free?
Do Prison Voicemail or Water Network have ads?
Which is updated more often, Prison Voicemail or Water Network?
Other comparisons
