Comparison

TrueZone vs Peptide Atlas

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

Head to head
About

TrueZone

Features
Read full description

The future of fitness testing. TrueZone offers quick-and-easy, gold-standard fitness testing for coaches or individuals, requiring only a heart rate monitor.

About

Peptide Atlas

Features
Read full description

Peptide Atlas is a research-only field guide for exploring what has been published about peptides. Browse evidence-graded entries, citation summaries, regulatory context, safety notes, anti-doping flags, and plain-language research explanations. Atlas is built for curious readers, researchers, clinicians, coaches, and anyone who wants a clearer way to understand peptide literature without turning research into personal medical advice. What you can do with Peptide Atlas: • Explore a peptide library with evidence grades • Review citations and research maturity • Compare compounds side by side • Surface known safety concerns and regulatory notes • Ask the AI Guide for educational summaries • Save entries to revisit later • Contribute citations, edits, or accuracy flags for review The AI Guide helps explain evidence, compare uncertainty, summarize safety themes, and generate questions to ask a qualified professional. Peptide Atlas does not provide dosing, sourcing, administration instructions, diagnosis, treatment plans, or symptom-to-peptide recommendations. It is an educational reference, not medical advice.

Screenshots

TrueZone4 screens
Peptide Atlas4 screens

Verdict

The call

The clearest difference is in-app purchases: Peptide Atlas at none against TrueZone's 2. TrueZone's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price and ads there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. TrueZone sells 2 one-off in-app purchases. Peptide Atlas asks for nothing beyond the download.

Scorecard3 real differences Ā· 3 level
TrueZone versus Peptide Atlas: the parameters behind the verdict, then further details
ParameterTrueZonePeptide Atlas
PriceFreeFree
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better17.0
Further details — not scored
Size72 MB15 MB
Age rating4+17+
DeveloperDriftline ehf.Tremaine Grant

In-app purchases

2 purchases

TrueZone

One-time2
  • Heart rate analysis$5.99
  • 10 fitness tests$49.99
None

Peptide Atlas

No in-app purchases

Questions

Is TrueZone free?
TrueZone is free to download, with in-app purchases available.
Is Peptide Atlas free?
Peptide Atlas is free to download, with no in-app purchases.
Do TrueZone or Peptide Atlas have ads?
Neither TrueZone nor Peptide Atlas shows ads.

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