# Aqmeter vs Otter!

The clearest difference is in-app purchases: Aqmeter at none against Otter!'s 3. Aqmeter also leads on iOS requirement (14.0 vs 18.2). Otter!'s advantage is update cadence (every 2 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Otter! sells 3 one-off in-app purchases. Aqmeter asks for nothing beyond the download.

Aqmeter ships an update every 6 weeks, Otter! every 2 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Aqmeter | Otter! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aqmeter/id1332042499/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 54 MB | 4 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Set Mobile S.R.L.](https://appshunter.io/developer/1342355834) | [HYRE Talent Sourcing and Matching](https://appshunter.io/developer/1871355239) |

## What reviewers say

### Aqmeter

[App page](https://appshunter.io/ios/app/aqmeter/id1332042499)

Manage your utility services online and on mobile. This app allows you to view and pay invoices, submit meter readings, update contact information, and receive important alerts. It also offers bonuses for eco-friendly actions.

**Highlights:** Online client account access, Download and pay invoices, Subscribe to e-invoicing, Submit meter readings, Update contact details, Receive alerts and notifications, Bonuses for sustainable behavior

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

**In-app purchases:** none


### Otter!

[App page](https://appshunter.io/ios/app/otter/id6758372229)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Donation | $0.99 | one-time |
| Medium Donation | $4.99 | one-time |
| Large Donation | $9.99 | one-time |


## Frequently asked questions

### Is Aqmeter free?

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

### Is Otter! free?

Otter! is free to download, with in-app purchases available.

### Do Aqmeter or Otter! have ads?

Neither Aqmeter nor Otter! shows ads.

### Which is updated more often, Aqmeter or Otter!?

Aqmeter ships an update every 6 weeks, and Otter! every 2 days. Most recently, Aqmeter was updated on October 24, 2026 and Otter! on October 16, 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.*