Relay Check vs Retime Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Relay Check
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This application serves as a troubleshooting tool for users who rely on the Jamf ZTNA over Network Relay.
Retime Calc
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Retime Calc is a fast, lightweight frame rate calculator for film and television editors that calculates new clip durations when changing frame rates, conveniently on your iPhone. Essential for VFX editorial, conform, and retime workflows.
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Verdict
The clearest difference is price: Relay Check at Free against Retime Calc's $2.99. Relay Check also leads on device support (3 vs 1). Retime Calc's advantage is update cadence (every 6 weeks vs every 4 months). On ads, in-app purchases and iOS requirement 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
Relay Check is free to download; Retime Calc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Relay Check ships an update every 4 months, Retime Calc every 6 weeks. The most recent releases landed on October 19, 2026 and September 23, 2026 respectively.
| Parameter | Relay Check | Retime Calc |
|---|---|---|
| Price | Free — better | $2.99 |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac — better | iPhone |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 8 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | JAMF Software | Warren Hickman |
In-app purchases
Relay Check
No in-app purchases
Retime Calc
No in-app purchases
Questions
Is Relay Check free?
Is Retime Calc free?
Do Relay Check or Retime Calc have ads?
Which is updated more often, Relay Check or Retime Calc?
Other comparisons
