Comparison

FAC Punchlab vs ab Astrometry X

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

Head to head
About

FAC Punchlab

Energize your music with this audio rack featuring 9 precision processors. Enhance mixes, boost drums, and shape unique sounds with dynamic effects, noise modulation, and saturation. Personalize your signal flow and achieve rich, harmonically driven tones.

Highlights
  • 9 precision audio processors
  • Dynamic effects for sound crafting
  • Enhance mix impact and presence
  • Elevate drums with punch
  • Noise modulation and saturation
  • Rearrange FX positions
  • Low latency with oversampling
Features
Read full description

Looking for that extra punch and energy to make your mark in the crowded music scene? Look no further – FAC Punchlab is your solution, an all-in-one super audio rack with 9 precision audio processors, ready to energize and revitalize your sound! • Combine essential dynamic effects for effortless sound crafting • Enhance your mix quickly, boosting its natural impact and presence • Elevate your drums with punch and unique character • Shape your sound with BOUM, emphasizing resonant tonality • Infuse life with Fizz, a dynamic noise modulator • Add saturation to achieve rich, harmonically driven tones • Maintain clarity with a versatile clipper and final limiter • Personalize your signal flow by rearranging FX positions • Low latency with optional oversampling • Waveform view of the pre and post signal • Advanced Responsive Design, portrait and landscape views • Universal Purchase: AUv3 for iOS (iPad/iPhone), macOS and Vision Pro FAC Punchlab, your sonic atelier, empowers you to design and showcase the unique characteristics of your instruments! Whether you're a novice in music production or an avid amateur musician exploring various genres, this tool is sure to ignite your creative spark! The documentation is available at fredantoncorvest.com/FAC_Punchlab.html

About

ab Astrometry X

This advanced audio effect offers dynamic multitap delay with randomized tap positioning around the listener. Control tap viscosity, time, and loudness intuitively via an XY pad. Create custom delay lines by syncing to your DAW or using free time, in serial or parallel modes.

Highlights
  • Random tap positioning
  • Viscosity, Time, and Loudness control
  • Intuitive XY Pad design
  • DAW sync or free time
  • Serial or parallel mode
Features
Read full description

ab Astrometry X is an Advanced Multitap Delay with random positioning of each tap around the listener's head. Each tap comes with a variables Viscosity, Time and Loudness controllable through an intuitive XY Pad Design. Each tap's time can be set to be synced to the DAW or with free time, in serial or parallel mode - allowing users to create custom and creative Delay lines.

Screenshots

FAC Punchlab4 screens
ab Astrometry X2 screens

Verdict

The call

The clearest difference is in-app purchases: ab Astrometry X at none against FAC Punchlab's 3. ab Astrometry X also leads on price ($12.99 vs $14.99). FAC Punchlab's advantage is update cadence (every 3 months vs every 7 months) and ratings volume (27 vs 6). On rating, review sentiment, ads and monetization model 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

FAC Punchlab costs $14.99 and ab Astrometry X $12.99 up front. FAC Punchlab sells 3 one-off in-app purchases. ab Astrometry X asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for FAC Punchlab against 5.0 for ab Astrometry X. Both are backed by a comparable volume of ratings — 27 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

FAC Punchlab ships an update every 3 months, ab Astrometry X every 7 months. Both last shipped on November 8, 2026.

Scorecard4 real differences · 6 level
FAC Punchlab versus ab Astrometry X: the parameters behind the verdict, then further details
ParameterFAC Punchlabab Astrometry X
Price$14.99$12.99 — better
Rating5.0 (27 ratings)5.0 (6 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings27 — better6
Update frequencyEvery 3 months — betterEvery 7 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidPaid
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size3 MB9 MB
Age rating4+4+
DeveloperFrederic CorvestAlejandro Cabrera Zuniga

Customer experience

FAC Punchlab

All ratings26 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews16 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ab Astrometry X

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

FAC Punchlab

One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$14.99
None

ab Astrometry X

No in-app purchases

Questions

Is FAC Punchlab free?
FAC Punchlab costs $14.99, and also offers in-app purchases.
Is ab Astrometry X free?
ab Astrometry X costs $12.99, with no in-app purchases.
Which has better reviews, FAC Punchlab or ab Astrometry X?
FAC Punchlab and ab Astrometry X are both rated 5.0 out of 5 on the App Store, from 27 and 6 ratings respectively.
Do FAC Punchlab or ab Astrometry X have ads?
Neither FAC Punchlab nor ab Astrometry X shows ads.
Which is updated more often, FAC Punchlab or ab Astrometry X?
FAC Punchlab ships an update every 3 months, and ab Astrometry X every 7 months. Most recently, FAC Punchlab was updated on November 8, 2026 and ab Astrometry X on November 8, 2026.

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