# ONWASA vs T&TEC

The clearest difference is iOS requirement: T&TEC at 14.0 against ONWASA's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ONWASA ships an update every 5 months, T&TEC every 3 months. The most recent releases landed on September 15, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | ONWASA | T&TEC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.6 (40 ratings)](https://appshunter.io/ios/app/t-and-tec/id6695756069/reviews)** |
| Number of ratings | — | **40** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 16 MB | 22 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Onslow Water and Sewer Authority](https://appshunter.io/developer/1607792207) | [Trinidad and Tobago Electricity Commission](https://appshunter.io/developer/1769202932) |

## What reviewers say

### ONWASA

[App page](https://appshunter.io/ios/app/onwasa/id1607792205)

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

**In-app purchases:** none


### T&TEC

[App page](https://appshunter.io/ios/app/t-and-tec/id6695756069)

Access a wide range of electricity commission services conveniently from your phone. Manage your account, view bills, make payments, report issues, and monitor energy consumption. Receive notifications and tips to help manage your usage and environmental impact.

**Highlights:** Manage electricity account, View and pay bills, Report outages and issues, Monitor energy consumption, Set consumption goals, Receive outage alerts

**In-app purchases:** none


## Frequently asked questions

### Is ONWASA free?

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

### Is T&TEC free?

T&TEC is free to download, with no in-app purchases.

### Do ONWASA or T&TEC have ads?

Neither ONWASA nor T&TEC shows ads.

### Which is updated more often, ONWASA or T&TEC?

ONWASA ships an update every 5 months, and T&TEC every 3 months. Most recently, ONWASA was updated on September 15, 2026 and T&TEC on June 10, 2026.

---

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