Comparison

RUNology vs Principle Guy

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

Head to head

About

RUNology

Features

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Prvá bežecká aplikácia, ktorá analyzuje vašu bežeckú formu a vytvorí komplexný tréningový plán, ktorý vyhodnotí riziká vášho bežeckého štýlu, navrhne cvičenia na jeho nápravu a nastaví bežecké tréningy s takou intenzitou, akú vaše telo zvládne. Runológia bude: 1. pozri sa, ako beháš a povedz si, čo potrebuješ zlepšiť 2. nastavte si tréningový systém rešpektujúci váš životný štýl a čas 3. sprevádzať vás na ceste za vašimi bežeckými snami spôsobom, ktorý vás bude baviť, tešiť a motivovať Terms of Use: https://www.runology.app/storage/app/media/ENG_terms-of-use-20230501-1.pdf

About

Principle Guy

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Osobný tréner v tvojom mobile.

Screenshots

RUNology4 screens

Principle Guy4 screens

Verdict

The call

The clearest difference is in-app purchases: Principle Guy at none against RUNology's 2. Principle Guy also leads on update cadence (every 2 days vs fortnightly). On price, ads, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RUNology sells 2 in-app purchases, starting at $8.99 per month. Principle Guy asks for nothing beyond the download.

UpkeepUpdate frequency

RUNology ships an update fortnightly, Principle Guy every 2 days. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 4 level

RUNology versus Principle Guy: the parameters behind the verdict, then further details
Parameter	RUNology	Principle Guy
Price	Free	Free
Update frequency	Fortnightly	Every 2 days — better
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.1 — better	15.5
Further details — not scored
Size	106 MB	88 MB
Age rating	17+	4+
Developer	SHEmoves	ERIK GARAJ

In-app purchases

2 purchases

RUNology

Subscriptions2

MAX$8.991 Month
LEVEL UP$8.991 Month

None

Principle Guy

No in-app purchases

Questions

Is RUNology free?

RUNology is free to download, with in-app purchases available.

Is Principle Guy free?

Principle Guy is free to download, with no in-app purchases.

Do RUNology or Principle Guy have ads?

Neither RUNology nor Principle Guy shows ads.

Which is updated more often, RUNology or Principle Guy?

RUNology ships an update fortnightly, and Principle Guy every 2 days. Most recently, RUNology was updated on October 5, 2026 and Principle Guy on October 14, 2026.