Comparison

UPSnut Pro vs Tessera Vault

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

UPSnut Pro

Monitor your Uninterruptible Power Supply (UPS) status remotely. View battery charge, voltage, and time on battery from a compatible server or network management card. Supports SNMP and dark mode.

Highlights
  • Retrieve UPS status information
  • Monitor battery charge and voltage
  • View time on battery
  • Supports SNMP v1/v2c
  • Dark mode support
  • Compatible with iOS 16+
Features
Read full description

UPSnut Pro can be used to retrieve UPS status information, like battery charge level, battery voltage, time on battery and so on, from an UPS with a network management card (compatible with SNMPv1/v2c) or NUT (Network UPS Tools)/ APC UPS Daemon (apcupsd) server that has an UPS (Uninterruptible Power Supply) hooked up to it. Features: - App supports the latest NUT server / APCUPSD and is compatible with all iPhone running iOS 16 or higher. - SNMP Support for v1 and v2c. - Dark mode is supported. Requirements: - Any UPS compatible with NUT or APCUPSD or UPS with SNMP management (following IETF SNMP standard) - Server - this can be any device that can host the NUT / APCUPSD service (Note: you can not run the server on an iPhone, the phone is just the client. You can use an embedded device, such as a Raspberry Pi), Server not necessary if UPS has management card (and supports IETF UPS monitoring SNMP) - your phone For information regarding set up of the NUT server, please check the project's site: https://networkupstools.org And for information regarding set up of the APCUPSD server, please check the project's site: https://apcupsd.org Support: UPSnut Pro (the iOS app) is a fully compatible, but unofficial client developed to allow your device to connect to NUT / APCUPSD servers. No support will be provided for bugs in NUT server or in APCUPSD, but only for bugs related to this iOS app. Tested on CyberPower UPS, no affiliation with cyberpower or APC or any UPS manufacturer.

About

Tessera Vault

Features
Read full description

Tired of endless subscriptions? TESSERA VAULT offers military-grade security without the monthly fee. Pay once, own your data, and get full access to all future updates. TESSERA VAULT is built on a Zero-Knowledge architecture, meaning we, the developers, can never access or decrypt your information. Your sensitive data is protected by the highest standards, designed exclusively for the Apple ecosystem. Unbreakable Security Core AES-256 GCM Encryption: All your passwords and confidential data are encrypted directly on your device using the industry-leading AES-256 GCM protocol, accessible only by your unique key. Secure Key Storage: Your encryption key is stored and protected inside the iCloud Keychain (Secure Enclave), ensuring it never leaves Apple's dedicated hardware security chip. End-to-End iCloud Sync: Your encrypted data automatically syncs across all your devices using CloudKit Private Database, ensuring your data is protected during transfer and storage. Critical Safety Features Panic Mode (Triple Tap): In an emergency, simply triple-tap anywhere on the screen to instantly blur and lock all sensitive content, reverting to the secure lock screen. Duress Mode: Enter a pre-set Duress PIN to load a fake, harmless vault content, protecting your real data under coercion. Intruder Alerts: Automatically logs and alerts you to failed unlock attempts. OneSignal Alerts: Get instant push notifications if you save a weak password or if an intrusion is detected on your account. Designed for Simplicity TESSERA VAULT combines maximum security with a beautiful, modern interface, including: FaceID / TouchID instant access. Secure copy-to-clipboard functionality. Built-in security auditing for weak or reused passwords. Customizable card colors and icons for easy organization. Buy TESSERA VAULT once for €9.99 and experience premium security. Terms and conditions: https://erikgeiger1998.github.io/tessera/terms.html

Screenshots

UPSnut Pro4 screens
Tessera Vault4 screens

Verdict

The call

The clearest difference is price: Tessera Vault at Free against UPSnut Pro's $1.99. Tessera Vault also leads on update cadence (every 5 days vs every 9 months). UPSnut Pro's advantage is in-app purchases (none vs 2) and iOS requirement (16.0 vs 18). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Tessera Vault is free to download; UPSnut Pro costs $1.99 up front. Tessera Vault sells 2 in-app purchases, starting at $3.99 per year. UPSnut Pro asks for nothing beyond the download.

UpkeepUpdate frequency

UPSnut Pro ships an update every 9 months, Tessera Vault every 5 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 5 level
UPSnut Pro versus Tessera Vault: the parameters behind the verdict, then further details
ParameterUPSnut ProTessera Vault
Price$1.99Free — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 9 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18
Further details — not scored
Size4 MB14 MB
Age rating4+4+
DeveloperIoan MoldovanErik Geiger

In-app purchases

None

UPSnut Pro

No in-app purchases

2 purchases

Tessera Vault

Subscriptions1
  • Tessera PRO Yearly Subscription7 Days trial$3.991 Year
One-time1
  • Tessera PRO Lifetime$19.99

Questions

Is UPSnut Pro free?
UPSnut Pro costs $1.99, with no in-app purchases.
Is Tessera Vault free?
Tessera Vault is free to download, with in-app purchases available.
Do UPSnut Pro or Tessera Vault have ads?
Neither UPSnut Pro nor Tessera Vault shows ads.
Which is updated more often, UPSnut Pro or Tessera Vault?
UPSnut Pro ships an update every 9 months, and Tessera Vault every 5 days. Most recently, UPSnut Pro was updated on November 3, 2026 and Tessera Vault on October 25, 2026.

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