# By vs Clima Vemer

The clearest difference is in-app purchases: By at none against Clima Vemer's 1. By also leads on iOS requirement (12.0 vs 15.0). Clima Vemer's advantage is update cadence (every 2 weeks vs every 7 months) and review sentiment (20% vs 0%). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Clima Vemer sells 1 one-off in-app purchase. By asks for nothing beyond the download.

By ships an update every 7 months, Clima Vemer every 2 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | By | Clima Vemer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **19.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 8 MB | 44 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vimar S.p.A.](https://appshunter.io/developer/401438010) | [Vemer S.p.A.](https://appshunter.io/developer/813616116) |

## What reviewers say

### By

[App page](https://appshunter.io/ios/app/by-clima/id893553317)

Control and program smart home climate devices remotely. Manage touch timers and thermostats from your smartphone for convenient temperature regulation and energy monitoring.

**Highlights:** Program touch timer-thermostats, Local supervision of devices, Remote supervision of devices, Control Clima&Energy devices, Smartphone integration, Energy monitoring

**In-app purchases:** none


### Clima Vemer

[App page](https://appshunter.io/ios/app/clima-vemer/id6472663538)

Control and customize your home's climate remotely. Easily set up and manage your chronothermostats, adjust room temperatures with a slider, and create custom profiles for personalized comfort. Optimize heating cycles to reduce energy consumption and environmental impact.

**Highlights:** Remote climate management, Chronothermostat setup and control, Personalized room temperature adjustment, Customizable heating profiles, Energy consumption optimization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual SIM Renewal | $12.99 | one-time |

**What reviewers like**

- 👍 Modern and appealing UI
- 👍 More intuitive and comfortable
- 👍 Functional, clear, and exhaustive
- 👍 Good for energy saving
- 👍 Excellent customer support

**What reviewers complain about**

- 🐛 App not compatible with VoiceOver
- 🐛 Difficult to manage temperatures
- 🐛 App not connecting to thermostat
- 🐛 Lost heating
- 🐛 Tremendous user experience

**Reported bugs**

- App not compatible with VoiceOver
- App not connecting to thermostat
- Controls lack feedback
- Constant crashes and latency
- Impossible to re-associate thermostat

**Requested features**

- Daily graph of detected temperature
- Improve compatibility with screen readers
- Lower synchronization time
- Activate every half hour instead of hourly
- Quick button for timer


## Frequently asked questions

### Is By free?

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

### Is Clima Vemer free?

Clima Vemer is free to download, with in-app purchases available.

### Do By or Clima Vemer have ads?

Neither By nor Clima Vemer shows ads.

### Which is updated more often, By or Clima Vemer?

By ships an update every 7 months, and Clima Vemer every 2 weeks. Most recently, By was updated on October 20, 2026 and Clima Vemer 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.*