APS Physiology vs SpAR Lab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
APS Physiology
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**FOR ATTENDEES ONLY** The APS Physiology mobile app is your official guide to the American Physiology Summit. Designed exclusively for Summit attendees, the app provides full access to the meeting program, including abstracts, poster information, industry partners and networking opportunities with fellow attendees. Make the most of your Summit experience all in one place with the APS Physiology app.
SpAR Lab
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The Sparrow Aggression Research (or SpAR) app is an application you can use to catalog observations of sparrows. You can plan your own experiments and know that the data you collect will contribute towards a larger study on aggressive bird behaviors.
Screenshots
Verdict
APS Physiology and SpAR Lab are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
APS Physiology ships an update fortnightly, SpAR Lab every 3 weeks. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.
| Parameter | APS Physiology | SpAR Lab |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.1 — better |
| Further details — not scored | ||
| Size | 87 MB | 137 MB |
| Age rating | 17+ | 12+ |
| Developer | American Physiological Society | K20 Center - University of Oklahoma |
In-app purchases
APS Physiology
No in-app purchases
SpAR Lab
No in-app purchases
Questions
Is APS Physiology free?
Is SpAR Lab free?
Do APS Physiology or SpAR Lab have ads?
Which is updated more often, APS Physiology or SpAR Lab?
Other comparisons
