# Temp Stick vs The Impression Vault

Temp Stick and The Impression Vault are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Temp Stick ships an update every 6 weeks, The Impression Vault every 2 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Temp Stick | The Impression Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (95 ratings)](https://appshunter.io/ios/app/temp-stick/id1137756208/reviews)** | — |
| Number of ratings | **95** | — |
| Positive reviews | 51.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 8 MB | 70 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IdealSciences](https://appshunter.io/developer/1137756207) | [The Impression Vault Inc](https://appshunter.io/developer/1840676815) |

## What reviewers say

### Temp Stick

[App page](https://appshunter.io/ios/app/temp-stick/id1137756208)

Access all features of your sensor remotely. View real-time readings and historical data from your mobile device. Customize alert rules and message settings for notifications.

**Highlights:** View sensor readings, Access historical data, Manage alert rules, Customize message settings, Remote sensor access

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy setup process
- 👍 Reliable operation over time
- 👍 User-friendly app interface
- 👍 Good notifications settings
- 👍 Small profile unit

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Inconsistent connectivity
- 🐛 App is sluggish and not native
- 🐛 Login issues and repeated logins
- 🐛 No option to create account

**Reported bugs**

- App crashes when adding new stick
- App crashes constantly
- Inconsistent connectivity
- App crashes when trying to update Wi-Fi
- App crashes when trying to add a new stick

**Requested features**

- Pull measurement on demand
- Integration with Google Home/Alexa
- Option to pull measurement on demand
- Apple Watch link
- Add data download to the app


### The Impression Vault

[App page](https://appshunter.io/ios/app/the-impression-vault/id6752716561)

**In-app purchases:** none


## Frequently asked questions

### Is Temp Stick free?

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

### Is The Impression Vault free?

The Impression Vault is free to download, with no in-app purchases.

### Do Temp Stick or The Impression Vault have ads?

Neither Temp Stick nor The Impression Vault shows ads.

### Which is updated more often, Temp Stick or The Impression Vault?

Temp Stick ships an update every 6 weeks, and The Impression Vault every 2 months. Most recently, Temp Stick was updated on October 21, 2026 and The Impression Vault on October 25, 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.*