# Affinity Water vs ProofCalc

The clearest difference is update cadence: ProofCalc at every 5 days against Affinity Water's fortnightly. Affinity Water's advantage is iOS requirement (15.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Affinity Water ships an update fortnightly, ProofCalc every 5 days. The most recent releases landed on October 14, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Affinity Water | ProofCalc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 2.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | — |
| Size | 154 MB | 5 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Affinity Water](https://appshunter.io/developer/1584959147) | [BRILLANCE UK LIMITED](https://appshunter.io/developer/1871919979) |

## What reviewers say

### Affinity Water

[App page](https://appshunter.io/ios/app/affinity-water/id6747155234)

Easily manage your water account with this secure app. View bills, track usage, submit readings, and get personalized support. Report issues and receive service updates conveniently.

**Highlights:** Manage payments, View and download bills, Track water usage, Submit meter readings, Report leaks, Personalized support

**In-app purchases:** none


### ProofCalc

[App page](https://appshunter.io/ios/app/proofcalc/id6760262012)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Affinity Water free?

Affinity Water is free to download, with no in-app purchases.

### Is ProofCalc free?

ProofCalc is free to download, with no in-app purchases.

### Do Affinity Water or ProofCalc have ads?

Neither Affinity Water nor ProofCalc shows ads.

### Which is updated more often, Affinity Water or ProofCalc?

Affinity Water ships an update fortnightly, and ProofCalc every 5 days. Most recently, Affinity Water was updated on October 14, 2026 and ProofCalc on September 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*