PaceForge vs VibrantaPie
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PaceForge
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PaceForge is your race-day brain. Turn any recent run into a complete game plan — predicted finish times, the exact training paces to hit, heart-rate zones, and a split-by-split pacing strategy — all computed on your device in seconds, with no account and no internet required. Whether you're chasing your first 5K or a marathon PR, PaceForge gives you coach-grade answers without the subscription. WHAT'S INSIDE • Race Predictor — enter one result and see projected times for 5K, 10K, half, and marathon (Daniels' VDOT + Riegel models). • Training Paces — your personal Easy, Marathon, Threshold, Interval and Repetition paces. • Pace Calculator — instantly convert between pace, speed, time and distance. • Heart-Rate Zones — five training zones from your age and resting HR (Karvonen, Tanaka). • Race Plans — build an even or negative-split plan and get every kilometre/mile split for race day. • Track Splits — lap-by-lap targets from 200 m to a mile. • Treadmill Converter — turn an incline pace into its flat-road equivalent (Minetti grade-adjusted pace). • Personal Records — keep your all-time bests and reuse them in every tool with one tap. WHY RUNNERS LOVE IT • Works offline — works on the start line, on a plane, anywhere. No signal needed. • No account, no sign-up — your records and plans never leave your phone • Science-based — Daniels' VDOT, Riegel, Karvonen and Minetti, not guesswork. • Fast and focused — clean answers in seconds, no clutter. • Kilometres or miles, light or dark, and 7 languages: English, Español, Français, Deutsch, Italiano, Português (BR), 日本語. • Free to use, supported by ads. Back up and restore your data anytime — it always stays yours. Lace up. PaceForge does the math; you do the running.
VibrantaPie
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VibrantaPie is the ultimate professional color tool built for designers, developers, and creators. Generate harmonious color schemes, inspect accessibility compliance, and speed up your workflow with real-time UI mockups and instant code export. Key Features: • Palette Generator: Lock favorite colors and shuffle to discover beautiful 5-color schemes. • Live UI Mockups: Preview how your palettes look on realistic Login, Dashboard, Shopping, and Finance app layouts. • Image Palette Extraction: Extract dominant colors directly from your photos and document files. • WCAG Contrast Checker: Test text-to-background combinations against AA & AAA accessibility standards. • Color Harmonies & Conversions: Generate Complementary, Analogous, and Triadic rules. Convert live between HEX, RGB, HSL, and CMYK. • Developer Export: Instantly copy code snippets for SwiftUI, UIKit (Swift), Flutter (Dart), CSS, XML, and JSON.
Screenshots
Verdict
The clearest difference is ads: VibrantaPie at none against PaceForge's shown. PaceForge's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PaceForge ships an update fortnightly, VibrantaPie every 11 days. Both last shipped on October 24, 2026.
| Parameter | PaceForge | VibrantaPie |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 11 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 29 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | 郭 凌 | Sneha Singh |
In-app purchases
PaceForge
No in-app purchases
VibrantaPie
No in-app purchases









