Inbox Pro vs Instant Testing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Inbox Pro
This email client prioritizes your privacy and security for Gmail accounts. It offers robust protection through data-free access, biometric locks, and encrypted communication, ensuring your sensitive information remains safe.
- Data-free email access
- Fingerprint/Face ID lock
- Encrypted communication
- Passcode protection
- Seamless Gmail integration
- User-friendly interface
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Secure Mail is the ultimate email client for iOS, designed to provide you with the highest level of privacy and security when accessing your Gmail account. Say goodbye to worries about your sensitive email data falling into the wrong hands in case of a lost or stolen phone. Key Features: Data-Free Security: Unlike conventional email clients, Secure Mail doesn't store your emails or attachments on your device. All your data is accessed directly from Gmail's secure servers. This means that even if your phone is lost or stolen, your emails remain inaccessible to unauthorized users. Fingerprint/Face ID Lock: We understand the importance of an extra layer of security. Secure Mail allows you to set up biometric authentication (Face ID or Fingerprint) to ensure that only you can access your email client. Encrypted Communication: Secure Mail uses advanced encryption protocols to secure the communication between your device and Gmail's servers. This ensures that your email data is protected at all times. Passcode Protection: In addition to biometric authentication, you can set a unique passcode to further enhance the security of your email client. Gmail Integration: Secure Mail seamlessly integrates with your Gmail account, giving you access to all your emails, attachments, labels, and folders, just as you would expect from a Gmail client. User-Friendly Interface: With an intuitive and user-friendly design, Secure Mail ensures that you can easily manage your emails, compose new messages, and stay organized with your Gmail account.
Instant Testing
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Application to collect data, perform audits, and streamline business processes with offline mobile applications and capture real-time location, camera live photos, live video recording, and much more.
Screenshots
Verdict
The clearest difference is device support: Instant Testing at 3 against Inbox Pro's 1. Instant Testing also leads on iOS requirement (14.0 vs 16.0). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 20, 2026 and September 28, 2026 respectively.
| Parameter | Inbox Pro | Instant Testing |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (40 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 40 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 70 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | ChromaticApp Ltd | Clapptron Technologies Private Limited |
In-app purchases
Inbox Pro
No in-app purchases
Instant Testing
No in-app purchases
Questions
Is Inbox Pro free?
Is Instant Testing free?
Do Inbox Pro or Instant Testing have ads?
Which is updated more often, Inbox Pro or Instant Testing?
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