Mendly vs ThinkUp: logging the thought vs replacing it

ThinkUp asks you to record affirmations in your own voice and play them back on a schedule, betting that hearing yourself increases belief. Mendly does the opposite: it logs the negative thought as it happens, with no replacement offered. One tries to install a new thought; the other just tracks the one that's already there.

Download on theApp Store

Free 7-day trial · then $7.99/mo or $59.99/yr

Feature comparison

MendlyThinkUp
Core mechanicTap to log the thought you're actually havingRecord affirmations in your own voice, paired with background music, played back on a schedule
Underlying approachAwareness — notice the thought, don't try to replace itRepetition — replace negative self-talk with repeated positive statements
Price$7.99/mo or $59.99/yr — 7-day free trialReported at $7.99/mo, $39.99/yr, or a $99.99 lifetime option on iOS (Google Play pricing has been reported lower — check the current listing)
PlatformiOS onlyiOS and Android
Time commitment per entry2-20 secondsA few minutes to record each affirmation; regular listening sessions after that
Pattern trackingHourly heat map, weekly reports, milestone badgesNone — ThinkUp is a playback tool, not a pattern tracker

Who each app is for

Mendly is better for

Mendly fits people for whom affirmations have felt hollow or hard to believe, even in their own voice — if what actually helps is seeing the real thought and when it shows up, rather than trying to talk over it, Mendly's awareness-first approach is the more honest fit.

ThinkUp is better for

ThinkUp is the better fit if repetition genuinely works for you and you want a structured way to build a new mental habit through your own recorded voice. Its lifetime pricing option is also worth considering if you know you'll want it long-term.

See the full Mendly experience: A cognitive distortions tracker for when the worksheet is too much friction

Ready to see the difference for yourself?

Common questions

Do affirmations actually work, or is this just positive thinking?
The evidence is mixed and personal — some people find repeated self-affirmation genuinely shifts self-talk over time, especially self-generated affirmations in their own voice, which ThinkUp is built around; others find affirmations that don't match their current belief feel hollow or even backfire. Mendly sidesteps the question entirely by not trying to replace the thought at all.
Can I use ThinkUp and Mendly together?
Yes — some people log the negative thought in Mendly when it shows up, and separately maintain a ThinkUp affirmation practice as a different, scheduled habit. The two aren't trying to do the same job.
Does Mendly have anything like ThinkUp's affirmation playback?
No. Mendly doesn't offer scripted content, affirmations, or audio playback of any kind — it logs what you're actually thinking, not a replacement for it. If installing a new thought is the goal, ThinkUp is built for that; Mendly isn't trying to be.

See for yourself — 7 days free.

Try Mendly on iPhone. Cancel anytime via Apple subscriptions.