TrueZone vs Peptide Atlas
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
TrueZone
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The future of fitness testing. TrueZone offers quick-and-easy, gold-standard fitness testing for coaches or individuals, requiring only a heart rate monitor.
Peptide Atlas
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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.
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Verdict
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
Both are free to download. TrueZone sells 2 one-off in-app purchases. Peptide Atlas asks for nothing beyond the download.
| Parameter | TrueZone | Peptide Atlas |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | ā |
| Ads | No | No |
| In-app purchases | Yes | No ā better |
| Devices | iPhone, iPad, iPod ā better | iPhone |
| Requires iOS | 14.0 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 72 MB | 15 MB |
| Age rating | 4+ | 17+ |
| Developer | Driftline ehf. | Tremaine Grant |
In-app purchases
TrueZone
- Heart rate analysis$5.99
- 10 fitness tests$49.99
Peptide Atlas
No in-app purchases









