Best Grindstone alternatives: apps like Grindstone

6+ similar apps compared and reviewed

3.8 avg rating
6 free apps
Updated October 2026

Grindstone is great, but it's not the only option. Explore 6+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Grindstone

ChordProg Ear Trainer#1

ChordProg Ear Trainer by DevDa AS

Ear training with real music
Editor's Choice
πŸ“š Education
4.4(16 ratings)
FreeIn-App Purchases
ChordProg Ear Trainer screenshot 1
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ChordProg Ear Trainer screenshot 6

This app offers a realistic music training experience by using real audio clips to teach chord progressions, intervals, chords, and scales. It provides over 500 audio clips for practice and is designed to help prepare users for ear training tests.

FrogID#3

FrogID by Australian Museum

Australian Museum
Worth Considering
πŸ“š Education
3.6😐(18 ratings)
Free
FrogID screenshot 1
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This app allows users to identify Australian frog species by recording their calls. It contributes to a national citizen science initiative, helping experts track frog populations and monitor waterway health.

What We Love

  • πŸ‘ Great for learning frog calls
  • πŸ’‘ Citizen science contribution
  • 🀩 Fun for kids and adults
  • πŸ—ΊοΈ Helps identify frogs in area
  • βœ… Accurate matching results (for some)
  • πŸ‘ Well-thought-out design
  • ✨ Beautiful layout and interface
  • πŸ”¬ Great resource for enthusiasts
  • πŸ‘ Easy to use interface
  • πŸ‘ Good concept and idea
  • πŸ‘ Responsive team (sometimes)

Room to Improve

  • 😞 Limited to Australia
  • 🐌 Long wait for confirmation
  • 🀷🏼 No photo search
  • πŸ˜” Discouraging lack of feedback
  • πŸ‘Ž Useless if not working
  • ❌ No expert or community verification
  • πŸͺ² Primitive app, needs work
  • 🚫 Cannot record with Bluetooth
  • πŸ“‰ App crashes frequently
  • ⏳ Slow startup and unresponsive
  • πŸ€” Assumptions on species based on habitat
  • ❌ Upload doesn't work
  • πŸ€·β€β™€οΈ No way to know if recording submitted
  • 😡 Frustrating bugs
  • ❌ No feedback on submissions
  • 😩 App keeps logging off
  • πŸ“· Photos too small
  • 🚫 Cannot identify rare species
  • πŸ‘‚ App is deaf unless frog is close
  • 🐌 Verification is very slow
  • ❌ App closes itself
  • 🚫 Cannot submit recordings
  • ❌ 'Submit' icon frozen
  • πŸ“Έ Photo upload issues
  • πŸ€” Password issues
  • ❌ Cannot record without audio
  • 🚫 'Null frogs' error
  • ❌ App hangs and hangs
  • πŸ› Database updating hangs
  • ❌ App crashes on opening
  • ❌ Microphone not working
  • ❌ Notes section behind keyboard
  • ❌ Cannot record with Bluetooth connected
  • ❌ App crashes on explore screen
  • ❌ Lost recordings, will not load
  • ❌ App constantly crashing
  • ❌ Recording page issues
  • ❌ Cannot send recordings
  • ❌ Submit status 'not submitted'
  • ❌ Crashes frequently
  • ❌ No way to match new frogs
  • πŸ› Microphone not working issue
  • ❌ Profile section crashes
  • ❌ App closes down when accessing Profile