# Survivor Ink vs Thermostat Controller

The clearest difference is in-app purchases: Thermostat Controller at none against Survivor Ink's 2. Thermostat Controller also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (16.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Survivor Ink sells 2 one-off in-app purchases. Thermostat Controller asks for nothing beyond the download.

Survivor Ink ships an update every 3 weeks, Thermostat Controller weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Survivor Ink | Thermostat Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thermostat-controller/id6502414185/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 1 MB | 5 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bruno Goncalves](https://appshunter.io/developer/1214161087) | [JASON QUARTZ](https://appshunter.io/developer/1745379151) |

## What reviewers say

### Survivor Ink

[App page](https://appshunter.io/ios/app/survivor-ink/id1570785633)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Donate | $0.99 | one-time |


### Thermostat Controller

[App page](https://appshunter.io/ios/app/thermostat-controller/id6502414185)

Monitor and adjust your Venstar thermostat's temperature, humidity, and fan settings directly from your phone. View current and historical runtime data. Receive optional notifications for state changes.

**Highlights:** View current temperature and humidity, Adjust set temperature, Change heating/cooling mode, Control fan settings, Monitor daily runtime history, Optional state change notifications

**In-app purchases:** none


## Frequently asked questions

### Is Survivor Ink free?

Survivor Ink is free to download, with in-app purchases available.

### Is Thermostat Controller free?

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

### Do Survivor Ink or Thermostat Controller have ads?

Neither Survivor Ink nor Thermostat Controller shows ads.

### Which is updated more often, Survivor Ink or Thermostat Controller?

Survivor Ink ships an update every 3 weeks, and Thermostat Controller weekly. Most recently, Survivor Ink was updated on October 25, 2026 and Thermostat Controller 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.*