FinTech Pay vs SlashID Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FinTech Pay
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FT Pay is a secure and simple way to process credit card transactions from your iPhone. Just sign in with your gateway credentials and you can be processing payments in seconds. Features include: • Process swiped, keyed, and chip sale and credit transactions (card reader sold through your merchant service provider) • View a complete history of mobile transactions. • Refund and void previous mobile transactions. • Set a tax rate to be automatically applied to all transactions. • Accept signatures from your customers. • Save location data with transactions. • Automatically send email receipts. • Share receipts with customers with almost any app on your device.
SlashID Authenticator
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SlashID Authenticator is a secure TOTP (Time-based One-Time Password) app that helps protect your accounts with two-factor authentication. KEY FEATURES: • TOTP Code Generation Generate secure 6-digit verification codes that refresh every 30 seconds. Compatible with any service that supports TOTP-based two-factor authentication. • Mutual Identity Verification Verify the identity of colleagues and contacts through our unique mutual TOTP handshake feature. Both parties exchange and verify codes to confirm each other's identity - perfect for phone calls or remote meetings. • Delegated Identity Verification Verify a colleague's identity on their behalf, following the organizational hierarchy or an allow list of approvers. • Enterprise Integration Activate with a token provided by your IT administrator. Seamlessly integrates with your organization's SlashID deployment. • Biometric Security Protected by Face ID or Touch ID. Your codes stay secure even if someone has access to your device. • Privacy First All sensitive data is stored securely in the iOS Keychain. Your TOTP secrets never leave your device. REQUIREMENTS: • Activation token from your organization's IT administrator • iOS 15.0 or later • Face ID or Touch ID capable device recommended SlashID Authenticator is designed for enterprise use. Contact your IT administrator to get started.
Screenshots
Verdict
The clearest difference is iOS requirement: FinTech Pay at 13.1 against SlashID Authenticator's 15.0. 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 fortnightly. The most recent releases landed on September 29, 2026 and October 9, 2026 respectively.
| Parameter | FinTech Pay | SlashID Authenticator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 18 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Processing Partners LLC | IRD Holdings Corp |
In-app purchases
FinTech Pay
No in-app purchases
SlashID Authenticator
No in-app purchases
Questions
Is FinTech Pay free?
Is SlashID Authenticator free?
Do FinTech Pay or SlashID Authenticator have ads?
Which is updated more often, FinTech Pay or SlashID Authenticator?
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