# CoServ vs ResponderOne

The clearest difference is rating: ResponderOne at 5.0 against CoServ's 2.3. ResponderOne also leads on update cadence (weekly vs every 2 months). CoServ's advantage is ratings volume (127 vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ResponderOne holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: CoServ has 127 ratings behind it against 6, so its average is the more settled of the two.

CoServ ships an update every 2 months, ResponderOne weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | CoServ | ResponderOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (127 ratings)](https://appshunter.io/ios/app/coserv/id1485884005/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/responderone/id6752734383/reviews)** |
| Number of ratings | **127** | 6 |
| Positive reviews | 11.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 30 MB | 59 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Denton County Electric Cooperative](https://appshunter.io/developer/1485884004) | [ResponderOne](https://appshunter.io/developer/1840739133) |

## What reviewers say

### CoServ

[App page](https://appshunter.io/ios/app/coserv/id1485884005)

Manage your utility account with ease. Pay bills securely, track your energy usage, and stay informed about service updates and outages. View historical bills and payment options.

**Highlights:** Secure bill payment, View account balance and due date, Manage recurring payments, Track monthly gas and electricity usage, Compare usage to temperature and neighborhood averages, Monitor service news and events, View outage information on a map

**In-app purchases:** none

**What reviewers like**

- 👍 Works for needs
- 👍 Helpful for usage data
- 👍 Good customer service

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Login issues persist
- 🐛 Unintuitive UI/UX
- 🐛 Slow performance
- 🐛 Payment submission errors

**Reported bugs**

- App crashes when viewing usage data
- App crashes when checking unbilled electric usage
- App freezes on sign-in screen
- Login fails repeatedly
- Cannot log in, error messages

**Requested features**

- Add print option for bills
- Add Apple Pay and other payment options
- Improve UI/UX intuitiveness
- Enable Face ID/remember email
- Add cell number input


### ResponderOne

[App page](https://appshunter.io/ios/app/responderone/id6752734383)

Provides emergency service professionals with instant, offline access to department protocols, guidelines, and critical resources. Features smart organization, powerful search, and automatic updates to ensure users always have the latest information.

**Highlights:** Offline access to resources, Smart hierarchical organization, Powerful instant search, Quick bookmarking, Automatic protocol updates, Multi-format resource support, Dark mode interface

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

**In-app purchases:** none


## Frequently asked questions

### Is CoServ free?

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

### Is ResponderOne free?

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

### Which has better reviews, CoServ or ResponderOne?

ResponderOne is rated higher. CoServ averages 2.3 out of 5 from 127 ratings, while ResponderOne averages 5.0 from 6 ratings.

### Do CoServ or ResponderOne have ads?

Neither CoServ nor ResponderOne shows ads.

### Which is updated more often, CoServ or ResponderOne?

CoServ ships an update every 2 months, and ResponderOne weekly. Most recently, CoServ was updated on October 24, 2026 and ResponderOne on October 24, 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.*